./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/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_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/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_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:45,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:45,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:55:45,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:45,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:45,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:45,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:45,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:45,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:45,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:45,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:45,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:45,292 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:45,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:45,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:45,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:45,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:45,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:45,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:45,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:45,296 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:45,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:45,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:45,297 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:45,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:45,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:45,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:45,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:45,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:45,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:45,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:45,301 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:45,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:45,301 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:45,302 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_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-11 23:55:45,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:45,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:45,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:45,557 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:45,558 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:45,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-11 23:55:48,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:49,024 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:49,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-11 23:55:49,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/data/3a3f2457c/846b50b928cd40ac90cac2cdb34b763a/FLAGfd3f2eb51 [2023-11-11 23:55:49,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/data/3a3f2457c/846b50b928cd40ac90cac2cdb34b763a [2023-11-11 23:55:49,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:49,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:49,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:49,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:49,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:49,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597fe07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49, skipping insertion in model container [2023-11-11 23:55:49,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:49,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:49,316 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:49,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:49,352 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:49,352 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:49,360 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:49,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49 WrapperNode [2023-11-11 23:55:49,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:49,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:49,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:49,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:49,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,404 INFO L138 Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-11-11 23:55:49,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:49,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:49,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:49,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:49,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:49,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:49,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:49,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:49,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:49" (1/1) ... [2023-11-11 23:55:49,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:49,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:49,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:49,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:55:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:55:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:55:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:55:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:55:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:55:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:55:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:55:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:55:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:55:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:55:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:55:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:55:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:49,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:55:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:49,556 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:55:49,749 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:49,752 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:50,179 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:50,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:50,258 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:55:50,259 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2023-11-11 23:55:50,260 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) [2023-11-11 23:55:50,271 INFO L158 Benchmark]: Toolchain (without parser) took 1203.60ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 97.2MB in the end (delta: 34.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-11 23:55:50,272 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 75.7MB in the end (delta: 83.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:50,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.28ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 119.7MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:55:50,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.53ms. Allocated memory is still 161.5MB. Free memory was 119.7MB in the beginning and 118.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:50,275 INFO L158 Benchmark]: Boogie Preprocessor took 34.54ms. Allocated memory is still 161.5MB. Free memory was 118.2MB in the beginning and 116.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:50,277 INFO L158 Benchmark]: RCFGBuilder took 827.64ms. Allocated memory is still 161.5MB. Free memory was 116.5MB in the beginning and 97.2MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:55:50,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 75.7MB in the end (delta: 83.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.28ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 119.7MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.53ms. Allocated memory is still 161.5MB. Free memory was 119.7MB in the beginning and 118.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.54ms. Allocated memory is still 161.5MB. Free memory was 118.2MB in the beginning and 116.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 827.64ms. Allocated memory is still 161.5MB. Free memory was 116.5MB in the beginning and 97.2MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. 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. [2023-11-11 23:55:50,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/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_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/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_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:52,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:53,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:55:53,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:53,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:53,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:53,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:53,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:53,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:53,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:53,097 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:53,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:53,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:53,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:53,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:53,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:53,100 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:55:53,101 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:55:53,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:53,102 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:55:53,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:53,103 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:53,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:53,104 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:53,104 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:53,104 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:53,105 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:55:53,105 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:53,106 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:53,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:53,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:53,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:53,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:53,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:53,108 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:55:53,108 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:53,108 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:53,108 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:55:53,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:53,109 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_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-11 23:55:53,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:53,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:53,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:53,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:53,561 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:53,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-11 23:55:56,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:57,068 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:57,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-11 23:55:57,082 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/data/eb0242790/7a3ba60ed66c42708246252fb7bbe3df/FLAG0208a2346 [2023-11-11 23:55:57,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/data/eb0242790/7a3ba60ed66c42708246252fb7bbe3df [2023-11-11 23:55:57,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:57,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:57,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:57,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:57,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:57,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176d9d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57, skipping insertion in model container [2023-11-11 23:55:57,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,167 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:57,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:57,450 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:57,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:57,513 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:57,514 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:57,522 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:57,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57 WrapperNode [2023-11-11 23:55:57,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:57,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:57,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:57,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:57,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,598 INFO L138 Inliner]: procedures = 25, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-11-11 23:55:57,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:57,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:57,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:57,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:57,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:57,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:57,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:57,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:57,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:57" (1/1) ... [2023-11-11 23:55:57,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:57,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:57,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:57,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:55:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:55:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:55:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:55:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:55:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:55:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:55:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:55:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:55:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:55:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:55:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:55:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:55:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:55:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:55:57,800 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:55:57,997 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:58,009 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:58,345 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:58,416 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:58,420 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:55:58,422 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2023-11-11 23:55:58,423 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) [2023-11-11 23:55:58,428 INFO L158 Benchmark]: Toolchain (without parser) took 1308.08ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 40.6MB in the end (delta: 14.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:55:58,428 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:58,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.27ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 43.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:55:58,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.30ms. Allocated memory is still 79.7MB. Free memory was 43.3MB in the beginning and 41.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:58,431 INFO L158 Benchmark]: Boogie Preprocessor took 70.07ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 40.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:58,431 INFO L158 Benchmark]: RCFGBuilder took 753.73ms. Allocated memory is still 79.7MB. Free memory was 40.0MB in the beginning and 40.6MB in the end (delta: -689.2kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:55:58,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.27ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 43.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.30ms. Allocated memory is still 79.7MB. Free memory was 43.3MB in the beginning and 41.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.07ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 40.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 753.73ms. Allocated memory is still 79.7MB. Free memory was 40.0MB in the beginning and 40.6MB in the end (delta: -689.2kB). Peak memory consumption was 6.3MB. 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. [2023-11-11 23:55:58,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ada7d-7dab-4d5d-8371-55baeaa0ebfd/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?