./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC --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 fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:55:31,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:55:31,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 19:55:31,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:55:31,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:55:31,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:55:31,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:55:31,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:55:31,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:55:31,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:55:31,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:55:31,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:55:31,975 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:55:31,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:55:31,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:55:31,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:55:31,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:55:31,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:55:31,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:55:31,979 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:55:31,980 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:55:31,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:55:31,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:55:31,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:55:31,982 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:55:31,982 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:55:31,982 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:55:31,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:55:31,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:55:31,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:55:31,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:55:31,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:55:31,985 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:55:31,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:55:31,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:55:31,987 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_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 [2023-11-23 19:55:32,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:55:32,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:55:32,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:55:32,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:55:32,315 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:55:32,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2023-11-23 19:55:35,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:55:35,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:55:35,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2023-11-23 19:55:35,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/data/0e8f10cb6/4c4274c9496e44bb91c88d2c70458d0b/FLAG351f69dac [2023-11-23 19:55:35,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/data/0e8f10cb6/4c4274c9496e44bb91c88d2c70458d0b [2023-11-23 19:55:35,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:55:35,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:55:35,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:55:35,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:55:35,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:55:35,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:55:35" (1/1) ... [2023-11-23 19:55:35,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14109923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:35, skipping insertion in model container [2023-11-23 19:55:35,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:55:35" (1/1) ... [2023-11-23 19:55:35,721 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:55:35,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:55:35,935 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:55:35,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:55:36,011 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:55:36,013 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:55:36,022 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:55:36,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36 WrapperNode [2023-11-23 19:55:36,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:55:36,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:55:36,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:55:36,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:55:36,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,091 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-23 19:55:36,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:55:36,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:55:36,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:55:36,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:55:36,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,142 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:55:36,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:55:36,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:55:36,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:55:36,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:36" (1/1) ... [2023-11-23 19:55:36,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:55:36,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:55:36,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:55:36,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:55:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:55:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 19:55:36,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 19:55:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 19:55:36,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 19:55:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 19:55:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 19:55:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:55:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:55:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 19:55:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-23 19:55:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-23 19:55:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 19:55:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 19:55:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 19:55:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:55:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:55:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 19:55:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:55:36,254 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 19:55:36,368 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:55:36,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:55:36,701 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:55:36,859 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-23 19:55:36,904 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 19:55:36,910 INFO L158 Benchmark]: Toolchain (without parser) took 1227.60ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 78.2MB in the end (delta: 47.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 19:55:36,911 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory was 72.2MB in the beginning and 72.0MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:55:36,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.90ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 112.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 19:55:36,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.29ms. Allocated memory is still 172.0MB. Free memory was 112.6MB in the beginning and 110.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:55:36,914 INFO L158 Benchmark]: Boogie Preprocessor took 68.53ms. Allocated memory is still 172.0MB. Free memory was 110.9MB in the beginning and 109.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:55:36,915 INFO L158 Benchmark]: RCFGBuilder took 745.75ms. Allocated memory is still 172.0MB. Free memory was 109.6MB in the beginning and 78.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 19:55:36,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory was 72.2MB in the beginning and 72.0MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.90ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 112.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.29ms. Allocated memory is still 172.0MB. Free memory was 112.6MB in the beginning and 110.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.53ms. Allocated memory is still 172.0MB. Free memory was 110.9MB in the beginning and 109.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 745.75ms. Allocated memory is still 172.0MB. Free memory was 109.6MB in the beginning and 78.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 19:55:36,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/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_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC --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 fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:55:39,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:55:39,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 19:55:39,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:55:39,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:55:39,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:55:39,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:55:39,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:55:39,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:55:39,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:55:39,878 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:55:39,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:55:39,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:55:39,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:55:39,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:55:39,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:55:39,882 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 19:55:39,882 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 19:55:39,883 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:55:39,884 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 19:55:39,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:55:39,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:55:39,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:55:39,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:55:39,887 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:55:39,887 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:55:39,887 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:55:39,888 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:55:39,888 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 19:55:39,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:55:39,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:55:39,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:55:39,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:55:39,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:55:39,892 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 19:55:39,892 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:55:39,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:55:39,892 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 19:55:39,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 19:55:39,894 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_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 [2023-11-23 19:55:40,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:55:40,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:55:40,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:55:40,346 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:55:40,347 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:55:40,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2023-11-23 19:55:43,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:55:43,858 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:55:43,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2023-11-23 19:55:43,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/data/b70eb8f85/7939fdea9633460599469409f83226b6/FLAG675878455 [2023-11-23 19:55:43,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/data/b70eb8f85/7939fdea9633460599469409f83226b6 [2023-11-23 19:55:43,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:55:43,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:55:43,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:55:43,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:55:43,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:55:43,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:55:43" (1/1) ... [2023-11-23 19:55:43,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622c7cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:43, skipping insertion in model container [2023-11-23 19:55:43,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:55:43" (1/1) ... [2023-11-23 19:55:43,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:55:44,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:55:44,189 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 19:55:44,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:55:44,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:55:44,221 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:55:44,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:55:44,279 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:55:44,280 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:55:44,288 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:55:44,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44 WrapperNode [2023-11-23 19:55:44,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:55:44,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:55:44,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:55:44,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:55:44,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,357 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-23 19:55:44,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:55:44,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:55:44,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:55:44,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:55:44,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:55:44,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:55:44,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:55:44,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:55:44,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:44" (1/1) ... [2023-11-23 19:55:44,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:55:44,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:55:44,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:55:44,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:55:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:55:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 19:55:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:55:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-23 19:55:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-23 19:55:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 19:55:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 19:55:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 19:55:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 19:55:44,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 19:55:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 19:55:44,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 19:55:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 19:55:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 19:55:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 19:55:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:55:44,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:55:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:55:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 19:55:44,535 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 19:55:44,694 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:55:44,697 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:55:45,176 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:55:45,408 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-23 19:55:45,461 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 19:55:45,466 INFO L158 Benchmark]: Toolchain (without parser) took 1568.60ms. Allocated memory is still 100.7MB. Free memory was 76.3MB in the beginning and 44.5MB in the end (delta: 31.8MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-23 19:55:45,466 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:55:45,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.77ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 62.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 19:55:45,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.45ms. Allocated memory is still 100.7MB. Free memory was 62.3MB in the beginning and 60.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:55:45,468 INFO L158 Benchmark]: Boogie Preprocessor took 77.58ms. Allocated memory is still 100.7MB. Free memory was 60.5MB in the beginning and 58.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:55:45,469 INFO L158 Benchmark]: RCFGBuilder took 1027.07ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 44.5MB in the end (delta: 14.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-23 19:55:45,480 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.77ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 62.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.45ms. Allocated memory is still 100.7MB. Free memory was 62.3MB in the beginning and 60.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.58ms. Allocated memory is still 100.7MB. Free memory was 60.5MB in the beginning and 58.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1027.07ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 44.5MB in the end (delta: 14.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 19:55:45,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b1c21b-662b-467c-8f02-70af5bacf544/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?