./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:04:57,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:04:57,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:04:57,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:04:57,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:04:57,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:04:57,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:04:57,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:04:57,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:04:57,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:04:57,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:04:57,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:04:57,635 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:04:57,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:04:57,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:04:57,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:04:57,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:04:57,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:04:57,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:04:57,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:04:57,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:04:57,636 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:04:57,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:04:57,636 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:04:57,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:04:57,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:04:57,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:04:57,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:04:57,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:04:57,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:04:57,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:04:57,637 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:04:57,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:04:57,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) 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 -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2024-11-24 18:04:58,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:04:58,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:04:58,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:04:58,052 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:04:58,053 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:04:58,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-11-24 18:05:01,548 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/data/9eda3b54c/fa55d8f15e2e4dd2b21464938775cd96/FLAG7d26e378e [2024-11-24 18:05:01,845 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:05:01,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-11-24 18:05:01,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/data/9eda3b54c/fa55d8f15e2e4dd2b21464938775cd96/FLAG7d26e378e [2024-11-24 18:05:01,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/data/9eda3b54c/fa55d8f15e2e4dd2b21464938775cd96 [2024-11-24 18:05:01,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:05:01,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:05:01,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:05:01,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:05:01,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:05:01,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:01" (1/1) ... [2024-11-24 18:05:01,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52047879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:01, skipping insertion in model container [2024-11-24 18:05:01,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:01" (1/1) ... [2024-11-24 18:05:01,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:05:02,227 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2024-11-24 18:05:02,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:05:02,262 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:05:02,306 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2024-11-24 18:05:02,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:05:02,339 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:05:02,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02 WrapperNode [2024-11-24 18:05:02,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:05:02,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:05:02,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:05:02,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:05:02,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,397 INFO L138 Inliner]: procedures = 25, calls = 73, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 120 [2024-11-24 18:05:02,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:05:02,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:05:02,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:05:02,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:05:02,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,448 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:05:02,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:05:02,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:05:02,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:05:02,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:02" (1/1) ... [2024-11-24 18:05:02,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:02,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:05:02,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:05:02,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:05:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:05:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-24 18:05:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-24 18:05:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-24 18:05:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-24 18:05:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-24 18:05:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-24 18:05:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-24 18:05:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-24 18:05:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:05:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:05:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:05:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:05:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-24 18:05:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-24 18:05:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 18:05:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 18:05:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 18:05:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:05:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:05:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:05:02,580 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 18:05:02,777 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:05:02,780 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:05:03,381 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 18:05:03,381 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:05:03,788 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;~client_back~0 := 1 + #t~post16;havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 18:05:03,802 INFO L158 Benchmark]: Toolchain (without parser) took 1920.71ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.6MB in the end (delta: 10.5MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-11-24 18:05:03,802 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:03,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.77ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.9MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:05:03,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.18ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:03,806 INFO L158 Benchmark]: Boogie Preprocessor took 75.22ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:03,807 INFO L158 Benchmark]: RCFGBuilder took 1321.37ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 81.6MB in the end (delta: -6.9MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-24 18:05:03,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.77ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.9MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.18ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.22ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1321.37ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 81.6MB in the end (delta: -6.9MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;~client_back~0 := 1 + #t~post16;havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;~client_back~0 := 1 + #t~post16;havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:05:03,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:05:06,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:05:07,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:05:07,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:05:07,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:05:07,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:05:07,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:05:07,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:05:07,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:05:07,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:05:07,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:05:07,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:05:07,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:05:07,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:05:07,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:05:07,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:05:07,161 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:05:07,161 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:05:07,161 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:05:07,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:05:07,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:05:07,161 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:05:07,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:05:07,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:05:07,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:05:07,162 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:05:07,162 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:07,162 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:05:07,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:05:07,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:07,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:05:07,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:05:07,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:05:07,162 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:05:07,163 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:07,163 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:05:07,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) 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 -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2024-11-24 18:05:07,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:05:07,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:05:07,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:05:07,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:05:07,544 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:05:07,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-11-24 18:05:11,179 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/data/14b56f1f3/8035d80e4d6544b298aed978667132dd/FLAG4e776fb5c [2024-11-24 18:05:11,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:05:11,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-11-24 18:05:11,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/data/14b56f1f3/8035d80e4d6544b298aed978667132dd/FLAG4e776fb5c [2024-11-24 18:05:11,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/data/14b56f1f3/8035d80e4d6544b298aed978667132dd [2024-11-24 18:05:11,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:05:11,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:05:11,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:05:11,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:05:11,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:05:11,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:11" (1/1) ... [2024-11-24 18:05:11,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e958ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:11, skipping insertion in model container [2024-11-24 18:05:11,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:11" (1/1) ... [2024-11-24 18:05:11,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:05:11,924 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2024-11-24 18:05:11,940 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:05:11,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:05:11,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:05:12,039 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2024-11-24 18:05:12,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:05:12,079 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:05:12,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12 WrapperNode [2024-11-24 18:05:12,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:05:12,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:05:12,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:05:12,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:05:12,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,149 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 110 [2024-11-24 18:05:12,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:05:12,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:05:12,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:05:12,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:05:12,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:05:12,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:05:12,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:05:12,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:05:12,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:12" (1/1) ... [2024-11-24 18:05:12,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:12,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:05:12,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:05:12,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-24 18:05:12,312 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-24 18:05:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:05:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-24 18:05:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-24 18:05:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-24 18:05:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-24 18:05:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-24 18:05:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-24 18:05:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-24 18:05:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-24 18:05:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:05:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:05:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 18:05:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 18:05:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 18:05:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:05:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:05:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:05:12,316 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 18:05:12,459 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:05:12,461 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:05:13,143 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 18:05:13,144 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:05:13,531 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 18:05:13,539 INFO L158 Benchmark]: Toolchain (without parser) took 1975.69ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 64.4MB in the end (delta: 28.0MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2024-11-24 18:05:13,539 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:13,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.04ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:05:13,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.01ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:13,542 INFO L158 Benchmark]: Boogie Preprocessor took 79.73ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:13,544 INFO L158 Benchmark]: RCFGBuilder took 1302.97ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 64.4MB in the end (delta: 9.7MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2024-11-24 18:05:13,549 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.04ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.01ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 79.73ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1302.97ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 64.4MB in the end (delta: 9.7MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:05:13,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545a8473-9847-4758-a319-4d250a5eee7b/bin/ukojak-verify-ENZ3QT5qd3/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 #t~mem15;#t~post16 := ~client_back~0;~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block?