./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:57:09,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:10,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:57:10,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:10,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:10,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:10,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:10,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:10,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:10,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:10,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:10,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:10,067 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:10,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:10,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:10,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:10,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:10,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:10,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:10,071 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:10,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:10,072 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:10,073 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:10,074 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:10,074 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:10,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:10,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:10,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:10,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:10,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:10,078 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:10,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:10,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:10,079 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_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2023-11-24 22:57:10,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:10,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:10,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:10,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:10,396 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:10,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-24 22:57:13,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:13,806 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:13,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-24 22:57:13,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/data/bb0a5188d/b368044fbfe940fb876ffebf2f51c081/FLAG16933d524 [2023-11-24 22:57:13,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/data/bb0a5188d/b368044fbfe940fb876ffebf2f51c081 [2023-11-24 22:57:13,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:13,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:13,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:13,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:13,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:13,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:13" (1/1) ... [2023-11-24 22:57:13,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7d1839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:13, skipping insertion in model container [2023-11-24 22:57:13,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:13" (1/1) ... [2023-11-24 22:57:13,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:14,120 WARN L240 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_a5017ff0-63c1-4d55-ae81-ec6e957354a7/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2023-11-24 22:57:14,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:14,143 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:14,182 WARN L240 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_a5017ff0-63c1-4d55-ae81-ec6e957354a7/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2023-11-24 22:57:14,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:14,198 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:14,199 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:14,207 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:14,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14 WrapperNode [2023-11-24 22:57:14,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:14,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:14,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:14,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:14,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,261 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 144 [2023-11-24 22:57:14,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:14,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:14,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:14,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:14,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:14,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:14,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:14,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:14,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:14" (1/1) ... [2023-11-24 22:57:14,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:14,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:14,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:14,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:57:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:57:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-24 22:57:14,423 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-24 22:57:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:57:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:57:14,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:57:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:57:14,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:57:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:57:14,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:57:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:57:14,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:57:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:57:14,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:57:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:57:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:57:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:57:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:14,429 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:57:14,574 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:14,577 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:15,085 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:15,379 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:57:15,383 INFO L158 Benchmark]: Toolchain (without parser) took 1545.13ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 108.3MB in the end (delta: 9.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,384 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 94.4MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:15,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.08ms. Allocated memory is still 153.1MB. Free memory was 117.3MB in the beginning and 103.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.08ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,386 INFO L158 Benchmark]: Boogie Preprocessor took 55.62ms. Allocated memory is still 153.1MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,387 INFO L158 Benchmark]: RCFGBuilder took 1062.85ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 108.3MB in the end (delta: -9.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,390 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 94.4MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.08ms. Allocated memory is still 153.1MB. Free memory was 117.3MB in the beginning and 103.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.08ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.62ms. Allocated memory is still 153.1MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1062.85ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 108.3MB in the end (delta: -9.2MB). Peak memory consumption was 42.3MB. 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:57:15,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:57:18,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:18,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:57:18,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:18,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:18,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:18,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:18,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:18,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:18,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:18,397 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:18,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:18,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:18,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:18,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:18,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:18,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:57:18,402 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:57:18,402 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:57:18,403 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:18,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:18,409 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:18,409 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:18,409 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:18,410 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:18,410 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:18,411 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:18,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:18,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:18,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:18,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:18,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:18,414 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:57:18,414 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:18,415 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:18,415 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:57:18,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:18,415 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_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2023-11-24 22:57:18,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:18,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:18,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:18,827 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:18,828 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:18,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-24 22:57:21,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:22,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:22,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-24 22:57:22,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/data/208839366/02db0c2739ae49999bfc1069d6368bbe/FLAG9ecf9a643 [2023-11-24 22:57:22,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/data/208839366/02db0c2739ae49999bfc1069d6368bbe [2023-11-24 22:57:22,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:22,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:22,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:22,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:22,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:22,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e98089c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22, skipping insertion in model container [2023-11-24 22:57:22,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:22,655 WARN L240 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_a5017ff0-63c1-4d55-ae81-ec6e957354a7/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2023-11-24 22:57:22,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:22,706 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:57:22,719 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:22,774 WARN L240 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_a5017ff0-63c1-4d55-ae81-ec6e957354a7/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2023-11-24 22:57:22,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:22,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:22,871 WARN L240 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_a5017ff0-63c1-4d55-ae81-ec6e957354a7/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2023-11-24 22:57:22,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:22,902 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:22,902 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:22,910 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:22,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22 WrapperNode [2023-11-24 22:57:22,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:22,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:22,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:22,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:22,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,978 INFO L138 Inliner]: procedures = 28, calls = 93, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 134 [2023-11-24 22:57:22,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:22,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:22,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:22,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:22,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:22,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:23,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:23,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:23,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:23,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:23,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:23,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:23,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:23,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:23,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:22" (1/1) ... [2023-11-24 22:57:23,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:23,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:23,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:23,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:57:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:57:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-24 22:57:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-24 22:57:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:57:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:57:23,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:57:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:57:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:57:23,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:57:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:57:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:57:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:57:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:57:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:57:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:57:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:57:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:57:23,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:23,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:57:23,141 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:57:23,300 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:23,303 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:23,990 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:24,326 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:57:24,333 INFO L158 Benchmark]: Toolchain (without parser) took 2024.53ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 49.2MB in the beginning and 57.3MB in the end (delta: -8.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-24 22:57:24,333 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:24,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.01ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 74.7MB in the end (delta: -25.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:57:24,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.63ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 72.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:24,337 INFO L158 Benchmark]: Boogie Preprocessor took 47.16ms. Allocated memory is still 98.6MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:24,338 INFO L158 Benchmark]: RCFGBuilder took 1302.70ms. Allocated memory is still 98.6MB. Free memory was 70.1MB in the beginning and 57.3MB in the end (delta: 12.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-24 22:57:24,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.01ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 74.7MB in the end (delta: -25.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.63ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 72.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.16ms. Allocated memory is still 98.6MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1302.70ms. Allocated memory is still 98.6MB. Free memory was 70.1MB in the beginning and 57.3MB in the end (delta: 12.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:57:24,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5017ff0-63c1-4d55-ae81-ec6e957354a7/bin/ukojak-verify-afCqCEvfdi/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?