./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV --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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:23,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:23,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:01:23,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:01:23,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:01:23,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:23,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:23,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:23,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:23,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:23,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:23,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:23,394 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:23,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:23,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:23,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:23,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:23,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:23,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:23,398 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:01:23,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:23,400 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:23,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:23,400 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:23,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:23,401 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:23,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:23,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:23,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:23,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:23,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:23,405 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:01:23,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:01:23,406 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:23,406 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_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2023-11-12 00:01:23,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:23,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:23,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:23,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:23,743 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:23,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-12 00:01:26,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:27,176 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:27,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-12 00:01:27,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/data/2b45ba0e5/deb2dd0fb7de419898896451d83cc3ec/FLAGfb2977afd [2023-11-12 00:01:27,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/data/2b45ba0e5/deb2dd0fb7de419898896451d83cc3ec [2023-11-12 00:01:27,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:27,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:27,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:27,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:27,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:27,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723a541b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27, skipping insertion in model container [2023-11-12 00:01:27,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,245 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:27,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:27,469 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:27,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:27,511 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:27,511 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:27,519 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:27,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27 WrapperNode [2023-11-12 00:01:27,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:27,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:27,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:27,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:27,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,565 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2023-11-12 00:01:27,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:27,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:27,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:27,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:27,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:27,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:27,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:27,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:27,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:27" (1/1) ... [2023-11-12 00:01:27,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:27,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:27,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:27,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:01:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-12 00:01:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-12 00:01:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:01:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:01:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:01:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:01:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:01:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:01:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:01:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:01:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:01:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:01:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:01:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:01:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:01:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:01:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:01:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:27,702 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:01:27,815 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:27,817 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:28,255 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:28,610 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:28,610 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:01:28,611 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L56 is neither atomic block end nor a sink node. [2023-11-12 00:01:28,612 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) 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) [2023-11-12 00:01:28,617 INFO L158 Benchmark]: Toolchain (without parser) took 1410.33ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 97.8MB in the beginning and 130.4MB in the end (delta: -32.6MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:28,618 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 107.0MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:28,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.45ms. Allocated memory is still 130.0MB. Free memory was 97.8MB in the beginning and 85.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:01:28,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.89ms. Allocated memory is still 130.0MB. Free memory was 85.0MB in the beginning and 83.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:28,620 INFO L158 Benchmark]: Boogie Preprocessor took 39.46ms. Allocated memory is still 130.0MB. Free memory was 83.3MB in the beginning and 81.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:28,621 INFO L158 Benchmark]: RCFGBuilder took 1009.00ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 81.2MB in the beginning and 130.4MB in the end (delta: -49.1MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-12 00:01:28,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 107.0MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.45ms. Allocated memory is still 130.0MB. Free memory was 97.8MB in the beginning and 85.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.89ms. Allocated memory is still 130.0MB. Free memory was 85.0MB in the beginning and 83.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.46ms. Allocated memory is still 130.0MB. Free memory was 83.3MB in the beginning and 81.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1009.00ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 81.2MB in the beginning and 130.4MB in the end (delta: -49.1MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:01:28,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/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_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV --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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:31,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:31,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:01:31,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:31,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:31,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:31,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:31,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:31,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:31,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:31,711 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:31,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:31,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:31,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:31,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:31,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:31,716 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:01:31,717 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:01:31,718 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:01:31,719 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:01:31,720 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:31,720 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:31,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:31,722 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:31,722 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:31,723 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:31,723 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:01:31,724 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:31,725 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:31,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:31,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:31,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:31,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:31,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:31,729 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:01:31,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:31,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:31,730 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:01:31,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:31,732 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_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2023-11-12 00:01:32,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:32,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:32,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:32,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:32,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:32,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-12 00:01:35,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:35,813 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:35,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-12 00:01:35,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/data/1c5e8dc63/5f1a11a5d70c441b94596fdb1ede083d/FLAG96f4969d7 [2023-11-12 00:01:35,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/data/1c5e8dc63/5f1a11a5d70c441b94596fdb1ede083d [2023-11-12 00:01:35,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:35,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:35,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:35,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:35,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:35,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:35" (1/1) ... [2023-11-12 00:01:35,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367ce0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:35, skipping insertion in model container [2023-11-12 00:01:35,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:35" (1/1) ... [2023-11-12 00:01:35,889 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:36,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:36,173 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:01:36,188 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:36,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:36,269 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:36,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:36,357 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:36,358 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:36,368 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:36,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36 WrapperNode [2023-11-12 00:01:36,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:36,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:36,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:36,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:36,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,457 INFO L138 Inliner]: procedures = 28, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-12 00:01:36,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:36,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:36,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:36,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:36,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:36,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:36,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:36,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:36,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:36" (1/1) ... [2023-11-12 00:01:36,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:36,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:36,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:36,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:01:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-12 00:01:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-12 00:01:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:01:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:01:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:01:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:01:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:01:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:01:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:01:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:01:36,655 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:01:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:01:36,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:01:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:01:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:01:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:01:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:01:36,659 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:01:36,864 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:36,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:37,401 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:37,781 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:37,782 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:01:37,783 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L56 is neither atomic block end nor a sink node. [2023-11-12 00:01:37,784 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) 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) [2023-11-12 00:01:37,793 INFO L158 Benchmark]: Toolchain (without parser) took 1945.44ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 60.6MB in the end (delta: 12.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:37,793 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:37,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.51ms. Allocated memory is still 96.5MB. Free memory was 72.4MB in the beginning and 57.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:01:37,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.44ms. Allocated memory is still 96.5MB. Free memory was 57.1MB in the beginning and 55.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:37,796 INFO L158 Benchmark]: Boogie Preprocessor took 86.53ms. Allocated memory is still 96.5MB. Free memory was 55.1MB in the beginning and 53.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:37,798 INFO L158 Benchmark]: RCFGBuilder took 1244.59ms. Allocated memory is still 96.5MB. Free memory was 52.9MB in the beginning and 60.6MB in the end (delta: -7.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-12 00:01:37,803 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.51ms. Allocated memory is still 96.5MB. Free memory was 72.4MB in the beginning and 57.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.44ms. Allocated memory is still 96.5MB. Free memory was 57.1MB in the beginning and 55.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.53ms. Allocated memory is still 96.5MB. Free memory was 55.1MB in the beginning and 53.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1244.59ms. Allocated memory is still 96.5MB. Free memory was 52.9MB in the beginning and 60.6MB in the end (delta: -7.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:01:37,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_431bb91a-cf9d-4a83-a4cd-eff8e88f63f9/bin/ukojak-verify-0OAaufAVZV/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?