./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9 --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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:18:01,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:18:02,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:18:02,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:18:02,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:18:02,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:18:02,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:18:02,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:18:02,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:18:02,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:18:02,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:18:02,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:18:02,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:18:02,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:18:02,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:18:02,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:18:02,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:18:02,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:18:02,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:18:02,060 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:18:02,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:18:02,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:18:02,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:18:02,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:18:02,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:18:02,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:18:02,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:18:02,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:18:02,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:18:02,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:18:02,066 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:18:02,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:18:02,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:18:02,067 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_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-12-03 01:18:02,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:18:02,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:18:02,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:18:02,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:18:02,313 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:18:02,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-12-03 01:18:05,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:18:05,250 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:18:05,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-12-03 01:18:05,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/data/c43573c2d/eb8891e4d7c547ae8f58160fd3e5b7dd/FLAGe25c521ca [2023-12-03 01:18:05,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/data/c43573c2d/eb8891e4d7c547ae8f58160fd3e5b7dd [2023-12-03 01:18:05,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:18:05,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:18:05,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:18:05,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:18:05,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:18:05,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ddd164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05, skipping insertion in model container [2023-12-03 01:18:05,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:18:05,459 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_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2023-12-03 01:18:05,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:18:05,481 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:18:05,511 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_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2023-12-03 01:18:05,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:18:05,522 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:18:05,522 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:18:05,529 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:18:05,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05 WrapperNode [2023-12-03 01:18:05,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:18:05,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:18:05,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:18:05,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:18:05,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,566 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 114 [2023-12-03 01:18:05,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:18:05,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:18:05,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:18:05,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:18:05,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:18:05,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:18:05,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:18:05,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:18:05,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:05" (1/1) ... [2023-12-03 01:18:05,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:18:05,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:18:05,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:18:05,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:18:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:18:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:18:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:18:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-03 01:18:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-03 01:18:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:18:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 01:18:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 01:18:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 01:18:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 01:18:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 01:18:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 01:18:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-03 01:18:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-03 01:18:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:18:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:18:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:18:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-12-03 01:18:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-12-03 01:18:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 01:18:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 01:18:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:18:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:18:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:18:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:18:05,674 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:18:05,793 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:18:05,795 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:18:06,076 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:18:06,171 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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:18:06,175 INFO L158 Benchmark]: Toolchain (without parser) took 903.67ms. Allocated memory is still 144.7MB. Free memory was 108.7MB in the beginning and 60.9MB in the end (delta: 47.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-12-03 01:18:06,175 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:18:06,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.61ms. Allocated memory is still 144.7MB. Free memory was 108.2MB in the beginning and 95.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:18:06,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.68ms. Allocated memory is still 144.7MB. Free memory was 95.1MB in the beginning and 93.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:18:06,177 INFO L158 Benchmark]: Boogie Preprocessor took 34.44ms. Allocated memory is still 144.7MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:18:06,178 INFO L158 Benchmark]: RCFGBuilder took 571.61ms. Allocated memory is still 144.7MB. Free memory was 91.4MB in the beginning and 60.9MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 01:18:06,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.61ms. Allocated memory is still 144.7MB. Free memory was 108.2MB in the beginning and 95.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.68ms. Allocated memory is still 144.7MB. Free memory was 95.1MB in the beginning and 93.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.44ms. Allocated memory is still 144.7MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.61ms. Allocated memory is still 144.7MB. Free memory was 91.4MB in the beginning and 60.9MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. 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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). 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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:18:06,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9 --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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:18:08,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:18:08,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:18:08,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:18:08,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:18:08,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:18:08,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:18:08,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:18:08,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:18:08,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:18:08,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:18:08,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:18:08,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:18:08,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:18:08,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:18:08,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:18:08,180 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:18:08,181 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:18:08,181 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:18:08,182 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:18:08,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:18:08,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:18:08,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:18:08,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:18:08,185 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:18:08,185 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:08,186 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:18:08,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:18:08,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:18:08,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:18:08,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:18:08,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:18:08,188 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:18:08,189 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:08,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:18:08,189 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:18:08,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:18:08,190 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_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-12-03 01:18:08,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:18:08,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:18:08,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:18:08,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:18:08,498 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:18:08,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-12-03 01:18:11,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:18:11,405 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:18:11,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-12-03 01:18:11,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/data/824b8d7c1/96944d5077a54a2cb4e461cd7c53c3e0/FLAG74caba46e [2023-12-03 01:18:11,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/data/824b8d7c1/96944d5077a54a2cb4e461cd7c53c3e0 [2023-12-03 01:18:11,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:18:11,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:18:11,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:18:11,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:18:11,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:18:11,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222997f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11, skipping insertion in model container [2023-12-03 01:18:11,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,469 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:18:11,665 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_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2023-12-03 01:18:11,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:18:11,691 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:18:11,698 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:18:11,720 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_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2023-12-03 01:18:11,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:18:11,732 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:18:11,761 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_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2023-12-03 01:18:11,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:18:11,776 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:18:11,777 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:18:11,784 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:18:11,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11 WrapperNode [2023-12-03 01:18:11,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:18:11,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:18:11,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:18:11,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:18:11,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,829 INFO L138 Inliner]: procedures = 29, calls = 80, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 108 [2023-12-03 01:18:11,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:18:11,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:18:11,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:18:11,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:18:11,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:18:11,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:18:11,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:18:11,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:18:11,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:11" (1/1) ... [2023-12-03 01:18:11,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:18:11,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:18:11,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:18:11,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:18:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:18:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:18:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:18:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-03 01:18:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-03 01:18:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:18:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 01:18:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 01:18:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 01:18:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 01:18:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 01:18:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 01:18:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-03 01:18:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-03 01:18:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:18:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:18:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-12-03 01:18:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-12-03 01:18:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 01:18:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 01:18:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:18:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:18:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:18:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:18:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:18:11,944 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:18:12,069 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:18:12,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:18:12,463 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:18:12,562 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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:18:12,566 INFO L158 Benchmark]: Toolchain (without parser) took 1134.65ms. Allocated memory is still 115.3MB. Free memory was 91.2MB in the beginning and 64.4MB in the end (delta: 26.7MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-12-03 01:18:12,567 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:18:12,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.16ms. Allocated memory is still 115.3MB. Free memory was 90.8MB in the beginning and 75.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:18:12,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.50ms. Allocated memory is still 115.3MB. Free memory was 75.2MB in the beginning and 73.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:18:12,569 INFO L158 Benchmark]: Boogie Preprocessor took 41.63ms. Allocated memory is still 115.3MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:18:12,569 INFO L158 Benchmark]: RCFGBuilder took 691.80ms. Allocated memory is still 115.3MB. Free memory was 71.0MB in the beginning and 64.4MB in the end (delta: 6.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-12-03 01:18:12,572 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.16ms. Allocated memory is still 115.3MB. Free memory was 90.8MB in the beginning and 75.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.50ms. Allocated memory is still 115.3MB. Free memory was 75.2MB in the beginning and 73.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.63ms. Allocated memory is still 115.3MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 691.80ms. Allocated memory is still 115.3MB. Free memory was 71.0MB in the beginning and 64.4MB in the end (delta: 6.6MB). Peak memory consumption was 12.8MB. 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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). 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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:18:12,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d43764-c0d1-4d51-8fa8-e055a6dc45b4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?