./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/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_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:08,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:08,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:55:08,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:08,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:08,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:08,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:08,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:08,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:08,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:08,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:08,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:08,569 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:08,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:08,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:08,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:08,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:08,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:08,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:08,573 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:08,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:08,581 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:08,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:08,582 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:08,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:08,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:08,584 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:08,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:08,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:08,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:08,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:08,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:08,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:08,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:08,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:08,595 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_b12b5ea0-4966-4110-9cd5-3078f56b9054/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-19 02:55:08,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:08,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:08,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:08,878 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:08,878 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:08,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 02:55:11,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:12,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:12,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 02:55:12,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/data/7d1cbe7a0/fdc385cca70d4a609acf3106aa62fce7/FLAG9f7a52d3f [2023-11-19 02:55:12,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/data/7d1cbe7a0/fdc385cca70d4a609acf3106aa62fce7 [2023-11-19 02:55:12,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:12,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:12,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:12,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:12,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:12,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5c45b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12, skipping insertion in model container [2023-11-19 02:55:12,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:12,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:12,540 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:12,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:12,609 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:12,609 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:12,617 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:12,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12 WrapperNode [2023-11-19 02:55:12,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:12,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:12,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:12,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:12,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,683 INFO L138 Inliner]: procedures = 27, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2023-11-19 02:55:12,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:12,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:12,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:12,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:12,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:12,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:12,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:12,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:12,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:12" (1/1) ... [2023-11-19 02:55:12,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:12,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:12,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:12,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:55:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 02:55:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 02:55:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:55:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:55:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:55:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:55:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:55:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:55:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:55:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 02:55:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 02:55:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:55:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:55:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 02:55:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 02:55:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:55:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:55:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:55:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:12,852 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 02:55:12,979 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:12,982 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:13,486 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:13,729 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:13,729 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 02:55:13,731 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 02:55:13,736 INFO L158 Benchmark]: Toolchain (without parser) took 1473.37ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 118.1MB in the end (delta: 960.7kB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-11-19 02:55:13,736 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:13,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.94ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 105.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:55:13,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.65ms. Allocated memory is still 165.7MB. Free memory was 105.9MB in the beginning and 103.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:13,738 INFO L158 Benchmark]: Boogie Preprocessor took 77.37ms. Allocated memory is still 165.7MB. Free memory was 103.7MB in the beginning and 101.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:13,739 INFO L158 Benchmark]: RCFGBuilder took 971.98ms. Allocated memory is still 165.7MB. Free memory was 101.7MB in the beginning and 118.1MB in the end (delta: -16.4MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:13,741 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.94ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 105.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.65ms. Allocated memory is still 165.7MB. Free memory was 105.9MB in the beginning and 103.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.37ms. Allocated memory is still 165.7MB. Free memory was 103.7MB in the beginning and 101.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 971.98ms. Allocated memory is still 165.7MB. Free memory was 101.7MB in the beginning and 118.1MB in the end (delta: -16.4MB). Peak memory consumption was 36.1MB. 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 02:55:13,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/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_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:16,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:16,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:55:16,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:16,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:16,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:16,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:16,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:16,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:16,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:16,692 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:16,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:16,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:16,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:16,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:16,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:16,697 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:55:16,697 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:55:16,698 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:16,698 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:55:16,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:16,699 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:16,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:16,700 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:16,701 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:16,701 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:16,702 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:16,703 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:16,703 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:16,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:16,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:16,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:16,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:16,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:16,707 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:55:16,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:16,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:16,709 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:55:16,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:16,710 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_b12b5ea0-4966-4110-9cd5-3078f56b9054/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-19 02:55:17,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:17,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:17,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:17,231 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:17,231 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:17,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 02:55:20,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:20,666 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:20,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 02:55:20,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/data/523ff31a3/ce6eb414668a47b7a34415f599efeab7/FLAGabbca469b [2023-11-19 02:55:20,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/data/523ff31a3/ce6eb414668a47b7a34415f599efeab7 [2023-11-19 02:55:20,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:20,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:20,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:20,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:20,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:20,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:20" (1/1) ... [2023-11-19 02:55:20,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b32996a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:20, skipping insertion in model container [2023-11-19 02:55:20,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:20" (1/1) ... [2023-11-19 02:55:20,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:21,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:21,040 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:55:21,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:21,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:21,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:21,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:21,154 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:21,155 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:21,164 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:21,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21 WrapperNode [2023-11-19 02:55:21,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:21,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:21,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:21,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:21,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,250 INFO L138 Inliner]: procedures = 29, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-19 02:55:21,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:21,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:21,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:21,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:21,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:21,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:21,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:21,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:21,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:21,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:21,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:21,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:55:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 02:55:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 02:55:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:55:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:55:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:55:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:55:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:55:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:55:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:55:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 02:55:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 02:55:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:55:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:55:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 02:55:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 02:55:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:55:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:55:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:55:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:55:21,432 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 02:55:21,590 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:21,592 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:22,212 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:22,432 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:22,433 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 02:55:22,435 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 02:55:22,439 INFO L158 Benchmark]: Toolchain (without parser) took 1728.63ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 49.1MB in the beginning and 50.1MB in the end (delta: -985.2kB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-11-19 02:55:22,440 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:22,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.13ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 49.0MB in the beginning and 66.8MB in the end (delta: -17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:55:22,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.62ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 65.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:22,442 INFO L158 Benchmark]: Boogie Preprocessor took 74.83ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 62.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:22,442 INFO L158 Benchmark]: RCFGBuilder took 1110.90ms. Allocated memory is still 90.2MB. Free memory was 62.7MB in the beginning and 50.1MB in the end (delta: 12.5MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-11-19 02:55:22,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.13ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 49.0MB in the beginning and 66.8MB in the end (delta: -17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.62ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 65.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.83ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 62.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1110.90ms. Allocated memory is still 90.2MB. Free memory was 62.7MB in the beginning and 50.1MB in the end (delta: 12.5MB). Peak memory consumption was 26.3MB. 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 02:55:22,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b5ea0-4966-4110-9cd5-3078f56b9054/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?