./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 0e0057cc 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_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/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_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 00:35:44,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:35:44,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:35:44,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:35:44,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:35:44,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:35:44,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:35:44,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:35:44,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:35:44,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:35:44,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:35:44,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:35:44,772 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:35:44,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:35:44,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:35:44,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:35:44,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:35:44,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:35:44,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:35:44,776 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:35:44,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:35:44,777 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:35:44,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:35:44,778 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:35:44,778 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:35:44,778 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:35:44,779 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:35:44,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:35:44,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:35:44,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:35:44,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:35:44,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:35:44,781 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:35:44,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:35:44,781 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:35:44,782 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_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2023-12-03 00:35:45,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:35:45,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:35:45,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:35:45,032 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:35:45,033 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:35:45,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-12-03 00:35:47,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:35:47,901 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:35:47,902 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-12-03 00:35:47,911 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/data/f75fe0f67/fec971f5654f487ea492021d97acfdc5/FLAGfa15c3ce5 [2023-12-03 00:35:47,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/data/f75fe0f67/fec971f5654f487ea492021d97acfdc5 [2023-12-03 00:35:47,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:35:47,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:35:47,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:35:47,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:35:47,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:35:47,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:47" (1/1) ... [2023-12-03 00:35:47,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455132cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:47, skipping insertion in model container [2023-12-03 00:35:47,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:47" (1/1) ... [2023-12-03 00:35:47,962 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:35:48,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:35:48,169 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:35:48,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:35:48,217 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:35:48,217 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:35:48,228 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:35:48,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48 WrapperNode [2023-12-03 00:35:48,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:35:48,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:35:48,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:35:48,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:35:48,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,269 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 165 [2023-12-03 00:35:48,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:35:48,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:35:48,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:35:48,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:35:48,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:35:48,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:35:48,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:35:48,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:35:48,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:48" (1/1) ... [2023-12-03 00:35:48,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:35:48,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:35:48,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:35:48,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:35:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:35:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:35:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:35:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:35:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:35:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:35:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:35:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:35:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:35:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:35:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:35:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:35:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:35:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:35:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:35:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:35:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:35:48,372 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:35:48,473 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:35:48,475 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:35:48,749 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:35:48,908 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-12-03 00:35:48,913 INFO L158 Benchmark]: Toolchain (without parser) took 982.70ms. Allocated memory was 119.5MB in the beginning and 176.2MB in the end (delta: 56.6MB). Free memory was 51.6MB in the beginning and 103.8MB in the end (delta: -52.2MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-12-03 00:35:48,914 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory was 93.2MB in the beginning and 93.0MB in the end (delta: 181.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:35:48,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.87ms. Allocated memory was 119.5MB in the beginning and 176.2MB in the end (delta: 56.6MB). Free memory was 51.4MB in the beginning and 147.0MB in the end (delta: -95.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:35:48,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.45ms. Allocated memory is still 176.2MB. Free memory was 146.4MB in the beginning and 144.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:35:48,917 INFO L158 Benchmark]: Boogie Preprocessor took 27.63ms. Allocated memory is still 176.2MB. Free memory was 144.9MB in the beginning and 143.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:35:48,918 INFO L158 Benchmark]: RCFGBuilder took 612.40ms. Allocated memory is still 176.2MB. Free memory was 143.0MB in the beginning and 103.8MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-03 00:35:48,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory was 93.2MB in the beginning and 93.0MB in the end (delta: 181.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.87ms. Allocated memory was 119.5MB in the beginning and 176.2MB in the end (delta: 56.6MB). Free memory was 51.4MB in the beginning and 147.0MB in the end (delta: -95.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.45ms. Allocated memory is still 176.2MB. Free memory was 146.4MB in the beginning and 144.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.63ms. Allocated memory is still 176.2MB. Free memory was 144.9MB in the beginning and 143.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.40ms. Allocated memory is still 176.2MB. Free memory was 143.0MB in the beginning and 103.8MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:35:48,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/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_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/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_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 00:35:50,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:35:50,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:35:51,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:35:51,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:35:51,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:35:51,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:35:51,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:35:51,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:35:51,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:35:51,006 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:35:51,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:35:51,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:35:51,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:35:51,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:35:51,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:35:51,009 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:35:51,010 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:35:51,010 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:35:51,011 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:35:51,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:35:51,012 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:35:51,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:35:51,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:35:51,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:35:51,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:35:51,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:35:51,015 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:51,016 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:35:51,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:35:51,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:35:51,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:35:51,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:35:51,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:35:51,018 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:35:51,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:51,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:35:51,018 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:35:51,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:35:51,019 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_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2023-12-03 00:35:51,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:35:51,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:35:51,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:35:51,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:35:51,337 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:35:51,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-12-03 00:35:54,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:35:54,282 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:35:54,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-12-03 00:35:54,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/data/e0c82ccf6/2babf69988d646eeaa6310f1d9394f54/FLAGd8bcfb453 [2023-12-03 00:35:54,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/data/e0c82ccf6/2babf69988d646eeaa6310f1d9394f54 [2023-12-03 00:35:54,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:35:54,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:35:54,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:35:54,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:35:54,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:35:54,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ad3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54, skipping insertion in model container [2023-12-03 00:35:54,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,338 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:35:54,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:35:54,545 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:35:54,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:35:54,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:35:54,575 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:35:54,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:35:54,612 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:35:54,612 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:35:54,618 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:35:54,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54 WrapperNode [2023-12-03 00:35:54,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:35:54,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:35:54,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:35:54,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:35:54,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,663 INFO L138 Inliner]: procedures = 28, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 161 [2023-12-03 00:35:54,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:35:54,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:35:54,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:35:54,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:35:54,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:35:54,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:35:54,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:35:54,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:35:54,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:54" (1/1) ... [2023-12-03 00:35:54,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:35:54,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:35:54,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:35:54,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:35:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:35:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:35:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:35:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:35:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:35:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:35:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:35:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:35:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:35:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:35:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:35:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:35:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:35:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:35:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:35:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:35:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:35:54,770 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:35:54,917 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:35:54,919 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:35:55,292 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:35:55,496 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-12-03 00:35:55,501 INFO L158 Benchmark]: Toolchain (without parser) took 1194.23ms. Allocated memory was 86.0MB in the beginning and 146.8MB in the end (delta: 60.8MB). Free memory was 63.4MB in the beginning and 82.1MB in the end (delta: -18.7MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-12-03 00:35:55,502 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:35:55,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.70ms. Allocated memory is still 86.0MB. Free memory was 63.1MB in the beginning and 49.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:35:55,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.77ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:35:55,504 INFO L158 Benchmark]: Boogie Preprocessor took 36.17ms. Allocated memory is still 86.0MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:35:55,505 INFO L158 Benchmark]: RCFGBuilder took 798.87ms. Allocated memory was 86.0MB in the beginning and 146.8MB in the end (delta: 60.8MB). Free memory was 44.8MB in the beginning and 82.1MB in the end (delta: -37.2MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-12-03 00:35:55,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.70ms. Allocated memory is still 86.0MB. Free memory was 63.1MB in the beginning and 49.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.77ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 46.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.17ms. Allocated memory is still 86.0MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.87ms. Allocated memory was 86.0MB in the beginning and 146.8MB in the end (delta: 60.8MB). Free memory was 44.8MB in the beginning and 82.1MB in the end (delta: -37.2MB). Peak memory consumption was 23.2MB. 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:35:55,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c5c947-3312-4224-ae2a-df7b80ca6a5e/bin/ukojak-verify-Qdu7aM0XO9/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?