./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC --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 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:52,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:52,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:24:52,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:24:52,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:24:52,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:52,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:24:52,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:24:52,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:52,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:52,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:52,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:24:52,471 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:24:52,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:24:52,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:24:52,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:52,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:24:52,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:52,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:24:52,476 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:24:52,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:24:52,477 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:24:52,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:24:52,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:52,479 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:52,480 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:52,480 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:52,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:52,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:52,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:52,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:52,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:24:52,484 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:24:52,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:24:52,516 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:24:52,516 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_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 [2023-11-23 20:24:52,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:52,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:52,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:52,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:52,882 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:52,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2023-11-23 20:24:56,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:56,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:56,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2023-11-23 20:24:56,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/data/965ef5154/59e201cc4f2948159f504e2ff72cbd52/FLAGc26fc853d [2023-11-23 20:24:56,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/data/965ef5154/59e201cc4f2948159f504e2ff72cbd52 [2023-11-23 20:24:56,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:56,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:56,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:56,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:56,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:56,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:56" (1/1) ... [2023-11-23 20:24:56,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfe3f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:56, skipping insertion in model container [2023-11-23 20:24:56,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:56" (1/1) ... [2023-11-23 20:24:56,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:57,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:57,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:57,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:57,244 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:57,244 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:57,251 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:57,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57 WrapperNode [2023-11-23 20:24:57,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:57,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:57,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:57,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:57,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,322 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2023-11-23 20:24:57,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:57,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:57,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:57,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:57,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:57,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:57,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:57,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:57,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:57" (1/1) ... [2023-11-23 20:24:57,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:57,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:57,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:57,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:24:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:24:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:24:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:24:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:24:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:24:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:24:57,477 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:24:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:24:57,478 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:24:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 20:24:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 20:24:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-23 20:24:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-23 20:24:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:24:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:24:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:57,486 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:24:57,716 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:57,719 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:24:58,190 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:24:58,412 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-23 20:24:58,427 INFO L158 Benchmark]: Toolchain (without parser) took 1979.53ms. Allocated memory is still 151.0MB. Free memory was 119.9MB in the beginning and 92.8MB in the end (delta: 27.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-23 20:24:58,428 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:24:58,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.62ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 95.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:24:58,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.10ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 92.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:24:58,430 INFO L158 Benchmark]: Boogie Preprocessor took 53.90ms. Allocated memory is still 151.0MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:24:58,431 INFO L158 Benchmark]: RCFGBuilder took 1044.11ms. Allocated memory is still 151.0MB. Free memory was 90.3MB in the beginning and 92.8MB in the end (delta: -2.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:24:58,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.62ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 95.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.10ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 92.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.90ms. Allocated memory is still 151.0MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1044.11ms. Allocated memory is still 151.0MB. Free memory was 90.3MB in the beginning and 92.8MB in the end (delta: -2.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:24:58,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC --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 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:25:01,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:25:01,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:25:01,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:25:01,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:25:01,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:25:01,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:25:01,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:25:01,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:25:01,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:25:01,508 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:25:01,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:25:01,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:25:01,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:25:01,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:25:01,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:25:01,513 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:25:01,513 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:25:01,514 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:25:01,515 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:25:01,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:25:01,516 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:25:01,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:25:01,517 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:25:01,518 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:25:01,518 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:25:01,519 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:25:01,519 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:25:01,520 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:25:01,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:25:01,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:01,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:25:01,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:25:01,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:25:01,524 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:25:01,524 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:25:01,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:25:01,525 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:25:01,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:25:01,527 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_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 [2023-11-23 20:25:01,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:25:01,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:25:01,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:25:01,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:25:01,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:25:01,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2023-11-23 20:25:05,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:05,578 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:05,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2023-11-23 20:25:05,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/data/a3082fa06/d8c928e1afec41379fcc69985259ecaa/FLAGe80197e90 [2023-11-23 20:25:05,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/data/a3082fa06/d8c928e1afec41379fcc69985259ecaa [2023-11-23 20:25:05,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:05,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:05,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:05,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:05,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:05,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:05" (1/1) ... [2023-11-23 20:25:05,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29001ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:05, skipping insertion in model container [2023-11-23 20:25:05,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:05" (1/1) ... [2023-11-23 20:25:05,752 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:06,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:06,338 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:06,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:06,510 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:06,510 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:06,518 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:06,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06 WrapperNode [2023-11-23 20:25:06,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:06,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:06,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:06,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:06,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,615 INFO L138 Inliner]: procedures = 180, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-11-23 20:25:06,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:06,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:06,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:06,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:06,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:06,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:06,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:06,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:06,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:06" (1/1) ... [2023-11-23 20:25:06,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:06,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:06,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:06,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:25:06,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:25:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:25:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:25:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:25:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:25:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:25:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:25:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:25:06,799 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:25:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:25:06,800 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:25:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 20:25:06,800 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 20:25:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-23 20:25:06,802 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-23 20:25:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:25:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:06,805 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:25:07,016 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:07,019 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:07,485 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:07,649 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-23 20:25:07,653 INFO L158 Benchmark]: Toolchain (without parser) took 2006.68ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 48.4MB in the end (delta: 8.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-23 20:25:07,654 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:07,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.53ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 51.6MB in the end (delta: 4.9MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-23 20:25:07,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.18ms. Allocated memory is still 81.8MB. Free memory was 51.6MB in the beginning and 48.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:07,656 INFO L158 Benchmark]: Boogie Preprocessor took 91.20ms. Allocated memory is still 81.8MB. Free memory was 48.9MB in the beginning and 46.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:07,657 INFO L158 Benchmark]: RCFGBuilder took 939.62ms. Allocated memory is still 81.8MB. Free memory was 46.4MB in the beginning and 48.4MB in the end (delta: -1.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-11-23 20:25:07,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.53ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 51.6MB in the end (delta: 4.9MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.18ms. Allocated memory is still 81.8MB. Free memory was 51.6MB in the beginning and 48.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.20ms. Allocated memory is still 81.8MB. Free memory was 48.9MB in the beginning and 46.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 939.62ms. Allocated memory is still 81.8MB. Free memory was 46.4MB in the beginning and 48.4MB in the end (delta: -1.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:25:07,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf81578-a71f-4f52-b251-ab4efb9f3e7a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?