./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/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_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/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_482a0e3f-9994-4a5b-9de8-fe1c2b790991/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 ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:49,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:49,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:50:49,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:49,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:49,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:49,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:49,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:49,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:49,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:49,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:49,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:49,581 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:49,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:49,583 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:49,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:49,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:49,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:49,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:49,585 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:49,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:49,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:49,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:49,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:49,588 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:49,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:49,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:49,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:49,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:49,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:49,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:49,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:49,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:49,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:49,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:49,594 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_482a0e3f-9994-4a5b-9de8-fe1c2b790991/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2023-11-21 18:50:49,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:49,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:49,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:49,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:49,950 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:49,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-21 18:50:52,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:53,193 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:53,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-21 18:50:53,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/data/e1017ef9c/fcca0df8fc454afd8c78cdee0d2a1fc2/FLAG78dac4b83 [2023-11-21 18:50:53,224 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/data/e1017ef9c/fcca0df8fc454afd8c78cdee0d2a1fc2 [2023-11-21 18:50:53,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:53,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:53,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:53,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:53,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:53,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cab1dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53, skipping insertion in model container [2023-11-21 18:50:53,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:53,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:53,538 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:53,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:53,576 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:53,576 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:53,583 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:53,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53 WrapperNode [2023-11-21 18:50:53,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:53,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:53,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:53,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:53,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,632 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 165 [2023-11-21 18:50:53,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:53,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:53,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:53,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:53,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:53,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:53,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:53,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:53,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:53,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:53,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:53,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:50:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:50:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:50:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:50:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:50:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:50:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:50:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:50:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:50:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:50:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:50:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:50:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:50:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:50:53,757 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 18:50:53,855 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:53,857 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:54,253 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:54,581 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 plus_#t~short21#1;assume plus_~a#1 + plus_~b#1 >= -2147483648;assume plus_~a#1 + plus_~b#1 <= 2147483647;plus_#res#1 := plus_~a#1 + plus_~b#1;#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;assume -2147483648 <= #t~ret3#1 && #t~ret3#1 <= 2147483647;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). 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:332) 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 18:50:54,585 INFO L158 Benchmark]: Toolchain (without parser) took 1352.21ms. Allocated memory is still 151.0MB. Free memory was 106.9MB in the beginning and 115.1MB in the end (delta: -8.1MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2023-11-21 18:50:54,585 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:50:54,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.56ms. Allocated memory is still 151.0MB. Free memory was 106.3MB in the beginning and 94.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:50:54,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.77ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:50:54,589 INFO L158 Benchmark]: Boogie Preprocessor took 35.22ms. Allocated memory is still 151.0MB. Free memory was 92.3MB in the beginning and 91.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:50:54,590 INFO L158 Benchmark]: RCFGBuilder took 914.27ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 115.1MB in the end (delta: -24.1MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-11-21 18:50:54,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.56ms. Allocated memory is still 151.0MB. Free memory was 106.3MB in the beginning and 94.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.77ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.22ms. Allocated memory is still 151.0MB. Free memory was 92.3MB in the beginning and 91.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 914.27ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 115.1MB in the end (delta: -24.1MB). Peak memory consumption was 40.1MB. 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 plus_#t~short21#1;assume plus_~a#1 + plus_~b#1 >= -2147483648;assume plus_~a#1 + plus_~b#1 <= 2147483647;plus_#res#1 := plus_~a#1 + plus_~b#1;#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;assume -2147483648 <= #t~ret3#1 && #t~ret3#1 <= 2147483647;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). 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 plus_#t~short21#1;assume plus_~a#1 + plus_~b#1 >= -2147483648;assume plus_~a#1 + plus_~b#1 <= 2147483647;plus_#res#1 := plus_~a#1 + plus_~b#1;#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;assume -2147483648 <= #t~ret3#1 && #t~ret3#1 <= 2147483647;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). 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:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:50:54,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/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_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/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_482a0e3f-9994-4a5b-9de8-fe1c2b790991/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 ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:57,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:57,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:50:57,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:57,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:57,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:57,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:57,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:57,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:57,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:57,437 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:57,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:57,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:57,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:57,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:57,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:57,440 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:50:57,441 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:50:57,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:57,442 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:50:57,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:57,443 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:57,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:57,445 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:57,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:57,446 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:57,446 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:57,447 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:50:57,447 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:50:57,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:57,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:57,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:57,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:57,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:57,451 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:50:57,451 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:50:57,451 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:57,452 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:50:57,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:50:57,452 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_482a0e3f-9994-4a5b-9de8-fe1c2b790991/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2023-11-21 18:50:57,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:57,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:57,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:57,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:57,860 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:57,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-21 18:51:01,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:01,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:01,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-21 18:51:01,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/data/50f2a597c/0584627df33e40e5ab46ce7b8ba60f92/FLAG2c46f3937 [2023-11-21 18:51:01,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/data/50f2a597c/0584627df33e40e5ab46ce7b8ba60f92 [2023-11-21 18:51:01,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:01,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:01,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:01,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:01,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:01,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6037b0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01, skipping insertion in model container [2023-11-21 18:51:01,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:01,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:01,694 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:51:01,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:01,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:01,727 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:01,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:01,769 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:01,770 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:01,778 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:01,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01 WrapperNode [2023-11-21 18:51:01,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:01,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:01,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:01,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:01,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,832 INFO L138 Inliner]: procedures = 28, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 161 [2023-11-21 18:51:01,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:01,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:01,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:01,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:01,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:01,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:01,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:01,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:01,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:01,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:01,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:01,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:51:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:51:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:51:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:51:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:51:01,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:51:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:51:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:51:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:51:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:51:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:51:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:01,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:51:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:51:02,001 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 18:51:02,179 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:02,182 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:02,658 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:02,991 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 plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). 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:332) 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 18:51:02,996 INFO L158 Benchmark]: Toolchain (without parser) took 1582.95ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 40.9MB in the end (delta: 35.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-11-21 18:51:02,997 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:51:02,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.32ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 62.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:51:02,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.20ms. Allocated memory is still 100.7MB. Free memory was 62.3MB in the beginning and 60.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:51:02,999 INFO L158 Benchmark]: Boogie Preprocessor took 64.64ms. Allocated memory is still 100.7MB. Free memory was 60.0MB in the beginning and 58.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:51:02,999 INFO L158 Benchmark]: RCFGBuilder took 1095.97ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 40.9MB in the end (delta: 17.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-21 18:51:03,002 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.32ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 62.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.20ms. Allocated memory is still 100.7MB. Free memory was 62.3MB in the beginning and 60.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.64ms. Allocated memory is still 100.7MB. Free memory was 60.0MB in the beginning and 58.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1095.97ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 40.9MB in the end (delta: 17.3MB). Peak memory consumption was 17.0MB. 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 plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). 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 plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). 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:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:51:03,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482a0e3f-9994-4a5b-9de8-fe1c2b790991/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 end of atomic block: havoc plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block?