./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/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_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/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_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/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 ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:11,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:11,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:07:11,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:11,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:11,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:11,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:11,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:11,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:11,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:11,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:11,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:11,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:11,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:11,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:11,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:11,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:11,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:11,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:11,995 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:07:11,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:07:11,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:11,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:11,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:11,997 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:11,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:11,998 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:11,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:12,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:12,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:12,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:12,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:12,003 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:12,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:12,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:12,004 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_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d [2023-11-19 04:07:12,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:12,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:12,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:12,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:12,319 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:12,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-11-19 04:07:15,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:15,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:15,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-11-19 04:07:15,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/data/7aa881626/797a7420c252461bb74a589ffcf75ced/FLAG70d67d799 [2023-11-19 04:07:15,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/data/7aa881626/797a7420c252461bb74a589ffcf75ced [2023-11-19 04:07:15,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:15,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:15,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:15,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:15,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:15,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:15" (1/1) ... [2023-11-19 04:07:15,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24feb28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:15, skipping insertion in model container [2023-11-19 04:07:15,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:15" (1/1) ... [2023-11-19 04:07:15,719 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:15,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:15,950 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:15,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:15,992 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:15,992 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:16,000 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:16,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16 WrapperNode [2023-11-19 04:07:16,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:16,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:16,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:16,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:16,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,046 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-19 04:07:16,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:16,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:16,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:16,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:16,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:16,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:16,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:16,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:16,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:16" (1/1) ... [2023-11-19 04:07:16,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:16,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:16,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:16,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:07:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 04:07:16,181 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 04:07:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:07:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:07:16,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:07:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:07:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:07:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:07:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:07:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:07:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:07:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:07:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:07:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:07:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:16,188 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:07:16,310 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:16,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:16,660 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:16,946 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:16,946 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:07:16,949 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~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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 04:07:16,955 INFO L158 Benchmark]: Toolchain (without parser) took 1271.78ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 96.9MB in the beginning and 118.9MB in the end (delta: -22.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,955 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 136.3MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:16,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.35ms. Allocated memory is still 136.3MB. Free memory was 96.9MB in the beginning and 84.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.99ms. Allocated memory is still 136.3MB. Free memory was 84.4MB in the beginning and 82.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,958 INFO L158 Benchmark]: Boogie Preprocessor took 39.73ms. Allocated memory is still 136.3MB. Free memory was 82.6MB in the beginning and 81.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,958 INFO L158 Benchmark]: RCFGBuilder took 865.20ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 81.1MB in the beginning and 118.9MB in the end (delta: -37.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,962 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 136.3MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.35ms. Allocated memory is still 136.3MB. Free memory was 96.9MB in the beginning and 84.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.99ms. Allocated memory is still 136.3MB. Free memory was 84.4MB in the beginning and 82.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.73ms. Allocated memory is still 136.3MB. Free memory was 82.6MB in the beginning and 81.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 865.20ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 81.1MB in the beginning and 118.9MB in the end (delta: -37.8MB). Peak memory consumption was 33.0MB. 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~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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 04:07:16,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/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_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/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_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/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 ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:19,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:19,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:07:19,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:19,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:19,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:19,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:19,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:19,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:19,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:19,843 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:19,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:19,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:19,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:19,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:19,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:19,847 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:07:19,847 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:07:19,847 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:07:19,849 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:07:19,849 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:07:19,849 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:19,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:19,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:19,851 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:19,851 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:19,852 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:19,852 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:19,852 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:19,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:19,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:19,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:19,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:19,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:19,856 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:07:19,856 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:19,856 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:19,857 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:07:19,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:19,858 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_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d [2023-11-19 04:07:20,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:20,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:20,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:20,291 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:20,292 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:20,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-11-19 04:07:23,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:23,823 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:23,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-11-19 04:07:23,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/data/418968f88/c11933d512144812aa9ece9b0a4f4e9b/FLAGf33474790 [2023-11-19 04:07:23,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/data/418968f88/c11933d512144812aa9ece9b0a4f4e9b [2023-11-19 04:07:23,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:23,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:23,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:23,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:23,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:23,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:23" (1/1) ... [2023-11-19 04:07:23,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15fbe76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:23, skipping insertion in model container [2023-11-19 04:07:23,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:23" (1/1) ... [2023-11-19 04:07:23,885 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:24,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:24,178 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:07:24,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:24,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:24,251 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:24,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:24,327 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:24,329 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:24,338 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:24,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24 WrapperNode [2023-11-19 04:07:24,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:24,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:24,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:24,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:24,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,418 INFO L138 Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-11-19 04:07:24,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:24,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:24,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:24,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:24,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:24,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:24,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:24,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:24,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:24" (1/1) ... [2023-11-19 04:07:24,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:24,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:24,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:24,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:07:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 04:07:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 04:07:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:07:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:07:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:07:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:07:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:07:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:07:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:07:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:07:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:07:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:07:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:07:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:07:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:07:24,586 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:07:24,791 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:24,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:25,318 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:25,709 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:25,709 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:07:25,711 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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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 04:07:25,716 INFO L158 Benchmark]: Toolchain (without parser) took 1866.30ms. Allocated memory was 92.3MB in the beginning and 138.4MB in the end (delta: 46.1MB). Free memory was 67.8MB in the beginning and 109.6MB in the end (delta: -41.9MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:25,717 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 68.8MB in the end (delta: 77.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:25,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.07ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 52.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:07:25,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.26ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 50.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:25,719 INFO L158 Benchmark]: Boogie Preprocessor took 58.59ms. Allocated memory is still 92.3MB. Free memory was 50.9MB in the beginning and 48.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:25,720 INFO L158 Benchmark]: RCFGBuilder took 1234.95ms. Allocated memory was 92.3MB in the beginning and 138.4MB in the end (delta: 46.1MB). Free memory was 48.7MB in the beginning and 109.6MB in the end (delta: -61.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 04:07:25,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 68.8MB in the end (delta: 77.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.07ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 52.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.26ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 50.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.59ms. Allocated memory is still 92.3MB. Free memory was 50.9MB in the beginning and 48.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1234.95ms. Allocated memory was 92.3MB in the beginning and 138.4MB in the end (delta: 46.1MB). Free memory was 48.7MB in the beginning and 109.6MB in the end (delta: -61.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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 04:07:25,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa4cc09-6729-42b1-a69a-5d0e605a7b3b/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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?