./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/test-context1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-context1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:12,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:13,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:13,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:13,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:13,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:13,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:13,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:13,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:13,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:13,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:13,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:13,138 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:13,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:13,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:13,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:13,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:13,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:13,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:13,143 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:13,143 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:13,144 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:13,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:13,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:13,146 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:13,146 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:13,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:13,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:13,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:13,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:13,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:13,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:13,150 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:13,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:13,151 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:13,151 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_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e [2023-11-21 18:39:13,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:13,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:13,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:13,534 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:13,535 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:13,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/test-context1.wvr.c [2023-11-21 18:39:16,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:16,954 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:16,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/sv-benchmarks/c/weaver/test-context1.wvr.c [2023-11-21 18:39:16,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/data/c52a9e19b/e39cd9744c424458ba20e8d7a43aba86/FLAG6754e515e [2023-11-21 18:39:16,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/data/c52a9e19b/e39cd9744c424458ba20e8d7a43aba86 [2023-11-21 18:39:16,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:16,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:16,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:16,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:17,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:17,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:16" (1/1) ... [2023-11-21 18:39:17,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22646b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17, skipping insertion in model container [2023-11-21 18:39:17,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:16" (1/1) ... [2023-11-21 18:39:17,043 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:17,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:17,292 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:17,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:17,330 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:17,330 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:17,339 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:17,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17 WrapperNode [2023-11-21 18:39:17,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:17,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:17,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:17,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:17,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,388 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2023-11-21 18:39:17,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:17,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:17,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:17,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:17,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:17,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:17,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:17,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:17,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:17" (1/1) ... [2023-11-21 18:39:17,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:17,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:17,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:17,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:39:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:39:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:39:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:39:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:39:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:39:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:39:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:39:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:39:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:39:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:39:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:39:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:39:17,544 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:39:17,719 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:17,722 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:18,074 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:18,294 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: assume ~front~0 + ~size~0 >= -2147483648;assume ~front~0 + ~size~0 <= 2147483647;#t~short2 := ~front~0 + ~size~0 >= 0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;assume ~front~0 + ~size~0 >= -2147483648;assume ~front~0 + ~size~0 <= 2147483647;#t~short2 := ~front~0 + ~size~0 < ~n~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:39:18,299 INFO L158 Benchmark]: Toolchain (without parser) took 1303.79ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 61.4MB in the beginning and 78.4MB in the end (delta: -17.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-11-21 18:39:18,299 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:18,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.22ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 61.2MB in the beginning and 115.2MB in the end (delta: -54.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-21 18:39:18,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.42ms. Allocated memory is still 144.7MB. Free memory was 114.7MB in the beginning and 113.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:18,302 INFO L158 Benchmark]: Boogie Preprocessor took 40.96ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 112.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:18,302 INFO L158 Benchmark]: RCFGBuilder took 865.47ms. Allocated memory is still 144.7MB. Free memory was 111.6MB in the beginning and 78.4MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 18:39:18,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.22ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 61.2MB in the beginning and 115.2MB in the end (delta: -54.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.42ms. Allocated memory is still 144.7MB. Free memory was 114.7MB in the beginning and 113.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.96ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 112.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 865.47ms. Allocated memory is still 144.7MB. Free memory was 111.6MB in the beginning and 78.4MB in the end (delta: 33.1MB). 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 start of atomic block: assume ~front~0 + ~size~0 >= -2147483648;assume ~front~0 + ~size~0 <= 2147483647;#t~short2 := ~front~0 + ~size~0 >= 0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;assume ~front~0 + ~size~0 >= -2147483648;assume ~front~0 + ~size~0 <= 2147483647;#t~short2 := ~front~0 + ~size~0 < ~n~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume ~front~0 + ~size~0 >= -2147483648;assume ~front~0 + ~size~0 <= 2147483647;#t~short2 := ~front~0 + ~size~0 >= 0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;assume ~front~0 + ~size~0 >= -2147483648;assume ~front~0 + ~size~0 <= 2147483647;#t~short2 := ~front~0 + ~size~0 < ~n~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:39:18,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-context1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:20,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:21,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:39:21,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:21,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:21,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:21,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:21,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:21,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:21,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:21,140 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:21,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:21,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:21,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:21,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:21,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:21,144 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:39:21,145 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:39:21,145 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:21,146 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:39:21,146 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:21,147 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:21,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:21,148 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:21,149 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:21,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:21,150 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:21,150 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:21,151 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:39:21,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:21,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:21,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:21,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:21,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:21,154 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:39:21,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:21,154 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:21,155 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:39:21,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:39:21,155 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_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e [2023-11-21 18:39:21,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:21,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:21,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:21,562 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:21,563 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:21,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/test-context1.wvr.c [2023-11-21 18:39:24,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:25,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:25,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/sv-benchmarks/c/weaver/test-context1.wvr.c [2023-11-21 18:39:25,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/data/d188bccd0/abd67a8ae6f34a6f9bfb466079b55694/FLAGd7a4b7c57 [2023-11-21 18:39:25,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/data/d188bccd0/abd67a8ae6f34a6f9bfb466079b55694 [2023-11-21 18:39:25,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:25,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:25,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:25,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:25,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:25,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b5a274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25, skipping insertion in model container [2023-11-21 18:39:25,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,131 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:25,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:25,430 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:39:25,445 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:25,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:25,493 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:25,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:25,562 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:25,563 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:25,571 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:25,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25 WrapperNode [2023-11-21 18:39:25,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:25,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:25,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:25,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:25,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,643 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-21 18:39:25,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:25,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:25,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:25,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:25,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:25,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:25,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:25,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:25,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:25" (1/1) ... [2023-11-21 18:39:25,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:25,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:25,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:25,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:39:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:39:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:39:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:39:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:39:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:39:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:39:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:39:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:39:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:39:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:39:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:39:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:39:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:39:25,778 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:39:25,917 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:25,920 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:26,338 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:26,627 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: assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)), 2147483647bv33);#t~short2 := ~bvsge~32(~bvadd~32(~front~0, ~size~0), 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)), 2147483647bv33);#t~short2 := ~bvslt~32(~bvadd~32(~front~0, ~size~0), ~n~0);}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:39:26,633 INFO L158 Benchmark]: Toolchain (without parser) took 1543.13ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 45.4MB in the end (delta: 12.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-21 18:39:26,633 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 35.0MB in the beginning and 35.0MB in the end (delta: 59.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:26,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.77ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 44.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:39:26,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.98ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 63.2MB in the end (delta: -18.5MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2023-11-21 18:39:26,636 INFO L158 Benchmark]: Boogie Preprocessor took 52.66ms. Allocated memory is still 83.9MB. Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:26,637 INFO L158 Benchmark]: RCFGBuilder took 933.48ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 45.4MB in the end (delta: 15.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 18:39:26,645 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 35.0MB in the beginning and 35.0MB in the end (delta: 59.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.77ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 44.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.98ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 63.2MB in the end (delta: -18.5MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.66ms. Allocated memory is still 83.9MB. Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 933.48ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 45.4MB in the end (delta: 15.9MB). Peak memory consumption was 27.3MB. 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: assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)), 2147483647bv33);#t~short2 := ~bvsge~32(~bvadd~32(~front~0, ~size~0), 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)), 2147483647bv33);#t~short2 := ~bvslt~32(~bvadd~32(~front~0, ~size~0), ~n~0);}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)), 2147483647bv33);#t~short2 := ~bvsge~32(~bvadd~32(~front~0, ~size~0), 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)), 2147483647bv33);#t~short2 := ~bvslt~32(~bvadd~32(~front~0, ~size~0), ~n~0);}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:39:26,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca6a28a-2079-43f7-b02f-f5249ee4e332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)), 2147483647bv33);#t~short2 := ~bvsge~32(~bvadd~32(~front~0, ~size~0), 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(~front~0), ~sign_extend~33~32(~size~0)), 2147483647bv33);#t~short2 := ~bvslt~32(~bvadd~32(~front~0, ~size~0), ~n~0);}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?