./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL --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 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:05:51,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:05:52,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:05:52,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:05:52,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:05:52,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:05:52,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:05:52,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:05:52,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:05:52,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:05:52,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:05:52,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:05:52,089 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:05:52,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:05:52,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:05:52,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:05:52,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:05:52,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:05:52,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:05:52,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:05:52,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:05:52,095 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:05:52,095 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:05:52,096 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:05:52,096 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:05:52,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:05:52,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:52,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:05:52,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:05:52,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:05:52,100 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:05:52,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:05:52,100 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:05:52,101 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_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2023-11-19 04:05:52,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:05:52,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:05:52,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:05:52,422 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:05:52,423 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:05:52,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-19 04:05:56,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:56,613 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:56,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-19 04:05:56,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/data/cef88f306/3df79ab335ec4e77b2e4815c9d0f688a/FLAGefd7ccb24 [2023-11-19 04:05:56,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/data/cef88f306/3df79ab335ec4e77b2e4815c9d0f688a [2023-11-19 04:05:56,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:56,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:56,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:56,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:56,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:56,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:56" (1/1) ... [2023-11-19 04:05:56,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c70019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:56, skipping insertion in model container [2023-11-19 04:05:56,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:56" (1/1) ... [2023-11-19 04:05:56,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:57,093 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_0145bb4d-b834-497a-b446-2864d343e87c/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2023-11-19 04:05:57,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:57,120 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:57,170 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_0145bb4d-b834-497a-b446-2864d343e87c/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2023-11-19 04:05:57,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:57,188 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:57,188 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:57,198 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:57,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57 WrapperNode [2023-11-19 04:05:57,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:57,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:57,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:57,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:57,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,339 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 148 [2023-11-19 04:05:57,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:57,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:57,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:57,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:57,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:57,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:57,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:57,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:57,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:57" (1/1) ... [2023-11-19 04:05:57,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:57,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:57,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:57,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:05:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:05:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 04:05:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 04:05:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:05:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:05:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:05:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:05:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:05:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:05:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:05:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:05:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:05:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:05:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:05:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:05:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:05:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:05:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:05:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:05:57,530 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:05:57,691 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:57,693 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:58,324 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:58,630 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:58,630 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 04:05:58,633 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 04:05:58,644 INFO L158 Benchmark]: Toolchain (without parser) took 1966.11ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 69.6MB in the beginning and 87.9MB in the end (delta: -18.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-19 04:05:58,644 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:58,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.28ms. Allocated memory is still 134.2MB. Free memory was 69.4MB in the beginning and 55.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:05:58,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.34ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 55.3MB in the beginning and 136.6MB in the end (delta: -81.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:05:58,650 INFO L158 Benchmark]: Boogie Preprocessor took 56.88ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 134.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:58,651 INFO L158 Benchmark]: RCFGBuilder took 1236.84ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 87.9MB in the end (delta: 46.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:58,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.28ms. Allocated memory is still 134.2MB. Free memory was 69.4MB in the beginning and 55.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.34ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 55.3MB in the beginning and 136.6MB in the end (delta: -81.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.88ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 134.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1236.84ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 87.9MB in the end (delta: 46.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). 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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:05:58,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/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_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL --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 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:01,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:01,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:06:02,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:02,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:02,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:02,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:02,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:02,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:02,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:02,010 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:02,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:02,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:02,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:02,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:02,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:02,014 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:06:02,014 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:06:02,015 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:06:02,020 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:02,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:02,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:02,022 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:02,022 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:02,023 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:02,023 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:02,024 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:02,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:02,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:02,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:02,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:02,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:02,027 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:06:02,028 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:02,028 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:02,028 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:06:02,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:02,029 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_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2023-11-19 04:06:02,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:02,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:02,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:02,627 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:02,628 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:02,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-19 04:06:06,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:06,963 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:06,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-19 04:06:06,995 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/data/e46a603da/43a6cc1d8ef04c5aa6cb61562b561a3a/FLAG5c75b55ef [2023-11-19 04:06:07,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/data/e46a603da/43a6cc1d8ef04c5aa6cb61562b561a3a [2023-11-19 04:06:07,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:07,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:07,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:07,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:07,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:07,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a854a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07, skipping insertion in model container [2023-11-19 04:06:07,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,105 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:07,389 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_0145bb4d-b834-497a-b446-2864d343e87c/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2023-11-19 04:06:07,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:07,420 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:06:07,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:07,466 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_0145bb4d-b834-497a-b446-2864d343e87c/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2023-11-19 04:06:07,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:07,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:07,526 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_0145bb4d-b834-497a-b446-2864d343e87c/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2023-11-19 04:06:07,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:07,545 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:07,545 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:07,555 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:07,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07 WrapperNode [2023-11-19 04:06:07,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:07,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:07,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:07,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:07,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,639 INFO L138 Inliner]: procedures = 28, calls = 93, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 138 [2023-11-19 04:06:07,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:07,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:07,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:07,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:07,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:07,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:07,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:07,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:07,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:07,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:07,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:07,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:06:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:06:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 04:06:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 04:06:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:06:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:06:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:06:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:06:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:06:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:06:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:06:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:06:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:06:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:06:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:06:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:06:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:06:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:06:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:06:07,892 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:06:08,104 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:08,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:08,893 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:09,220 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:09,220 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 04:06:09,223 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 04:06:09,230 INFO L158 Benchmark]: Toolchain (without parser) took 2196.67ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 63.7MB in the beginning and 64.6MB in the end (delta: -936.0kB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-19 04:06:09,231 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:09,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.69ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 46.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:06:09,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.01ms. Allocated memory is still 88.1MB. Free memory was 46.2MB in the beginning and 44.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:09,234 INFO L158 Benchmark]: Boogie Preprocessor took 75.36ms. Allocated memory is still 88.1MB. Free memory was 44.4MB in the beginning and 42.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:09,235 INFO L158 Benchmark]: RCFGBuilder took 1506.88ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 42.0MB in the beginning and 64.6MB in the end (delta: -22.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-11-19 04:06:09,239 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.69ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 46.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.01ms. Allocated memory is still 88.1MB. Free memory was 46.2MB in the beginning and 44.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.36ms. Allocated memory is still 88.1MB. Free memory was 44.4MB in the beginning and 42.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1506.88ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 42.0MB in the beginning and 64.6MB in the end (delta: -22.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). 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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:06:09,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bb4d-b834-497a-b446-2864d343e87c/bin/ukojak-verify-G8NBE6pJGL/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 start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?