./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.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_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/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_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/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_b66c87e3-20af-45ab-8325-0dc8bac2197b/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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:49,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:49,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:21:49,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:49,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:49,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:49,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:49,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:49,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:49,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:49,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:49,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:49,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:49,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:49,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:49,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:49,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:49,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:49,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:49,708 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:21:49,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:49,709 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:49,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:49,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:49,711 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:49,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:49,712 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:49,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:49,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:49,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:49,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:49,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:49,716 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:49,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:49,717 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:49,717 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_b66c87e3-20af-45ab-8325-0dc8bac2197b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-11-19 03:21:50,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:50,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:50,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:50,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:50,041 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:50,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-19 03:21:53,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:53,428 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:53,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-19 03:21:53,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/data/bf9998239/1dd5c709a6184c129b87f279e56e918f/FLAG3755143ae [2023-11-19 03:21:53,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/data/bf9998239/1dd5c709a6184c129b87f279e56e918f [2023-11-19 03:21:53,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:53,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:53,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:53,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:53,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:53,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53, skipping insertion in model container [2023-11-19 03:21:53,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:53,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:53,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:53,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:53,894 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:53,896 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:53,905 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:53,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53 WrapperNode [2023-11-19 03:21:53,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:53,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:53,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:53,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:53,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,971 INFO L138 Inliner]: procedures = 27, calls = 81, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-19 03:21:53,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:53,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:53,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:53,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:53,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:54,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:54,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:54,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:54,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:54,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:54,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:54,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:54,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:54,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:54,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:54,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:54,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:54,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:21:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:21:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:21:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:21:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:21:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:21:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:21:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:21:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:21:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:21:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:21:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:21:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:21:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:21:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:21:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:21:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:21:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:21:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:21:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:54,135 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 03:21:54,311 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:54,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:54,798 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:55,095 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:55,095 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:21:55,097 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) 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 03:21:55,108 INFO L158 Benchmark]: Toolchain (without parser) took 1651.41ms. Allocated memory is still 157.3MB. Free memory was 115.8MB in the beginning and 56.5MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-19 03:21:55,108 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 157.3MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:55,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.38ms. Allocated memory is still 157.3MB. Free memory was 115.8MB in the beginning and 102.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:21:55,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.82ms. Allocated memory is still 157.3MB. Free memory was 102.6MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:55,113 INFO L158 Benchmark]: Boogie Preprocessor took 38.56ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 99.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:55,115 INFO L158 Benchmark]: RCFGBuilder took 1089.20ms. Allocated memory is still 157.3MB. Free memory was 99.0MB in the beginning and 56.5MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:21:55,120 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 157.3MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.38ms. Allocated memory is still 157.3MB. Free memory was 115.8MB in the beginning and 102.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.82ms. Allocated memory is still 157.3MB. Free memory was 102.6MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.56ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 99.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1089.20ms. Allocated memory is still 157.3MB. Free memory was 99.0MB in the beginning and 56.5MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:21:55,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/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_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/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_b66c87e3-20af-45ab-8325-0dc8bac2197b/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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:57,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:57,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:21:57,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:57,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:57,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:57,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:57,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:57,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:57,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:57,999 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:57,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:58,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:58,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:58,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:58,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:58,003 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:21:58,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:21:58,004 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:21:58,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:21:58,005 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:58,005 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:58,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:58,006 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:58,007 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:58,007 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:58,007 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:58,008 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:58,008 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:58,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:58,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:58,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:58,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:58,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:58,011 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:21:58,012 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:58,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:58,012 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:21:58,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:58,013 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_b66c87e3-20af-45ab-8325-0dc8bac2197b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2023-11-19 03:21:58,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:58,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:58,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:58,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:58,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:58,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-19 03:22:01,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:01,973 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:01,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2023-11-19 03:22:01,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/data/2335d9163/cd335c30051b488288ec76f26ecff48f/FLAGac1d7132f [2023-11-19 03:22:02,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/data/2335d9163/cd335c30051b488288ec76f26ecff48f [2023-11-19 03:22:02,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:02,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:02,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:02,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:02,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:02,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d32a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02, skipping insertion in model container [2023-11-19 03:22:02,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:02,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:02,413 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:22:02,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:02,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:02,503 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:22:02,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:02,595 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:02,595 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:02,604 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:22:02,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02 WrapperNode [2023-11-19 03:22:02,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:02,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:02,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:22:02,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:22:02,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,684 INFO L138 Inliner]: procedures = 29, calls = 81, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-19 03:22:02,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:02,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:22:02,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:22:02,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:22:02,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:22:02,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:22:02,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:22:02,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:22:02,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:02,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:22:02,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:22:02,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:22:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:22:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:22:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:22:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:22:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:22:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:22:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:22:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:22:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:22:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:22:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:22:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:22:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:22:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:22:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:22:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:22:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:22:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:22:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:22:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:22:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:22:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:22:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:22:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:22:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:22:02,859 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 03:22:02,988 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:22:02,991 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:22:03,531 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:22:03,800 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:22:03,800 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:22:03,803 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) 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 03:22:03,810 INFO L158 Benchmark]: Toolchain (without parser) took 1790.29ms. Allocated memory is still 75.5MB. Free memory was 52.4MB in the beginning and 39.9MB in the end (delta: 12.5MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-19 03:22:03,811 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:03,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.71ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 53.5MB in the end (delta: -1.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:03,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.14ms. Allocated memory is still 75.5MB. Free memory was 53.5MB in the beginning and 51.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:03,813 INFO L158 Benchmark]: Boogie Preprocessor took 73.57ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 49.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:03,815 INFO L158 Benchmark]: RCFGBuilder took 1048.44ms. Allocated memory is still 75.5MB. Free memory was 49.2MB in the beginning and 39.9MB in the end (delta: 9.3MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:03,824 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.71ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 53.5MB in the end (delta: -1.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.14ms. Allocated memory is still 75.5MB. Free memory was 53.5MB in the beginning and 51.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.57ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 49.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1048.44ms. Allocated memory is still 75.5MB. Free memory was 49.2MB in the beginning and 39.9MB in the end (delta: 9.3MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:22:03,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b66c87e3-20af-45ab-8325-0dc8bac2197b/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 end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?