./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.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_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/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_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/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_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/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 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:40,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:40,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:56:40,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:56:40,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:56:40,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:40,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:40,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:40,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:40,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:40,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:40,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:40,834 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:56:40,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:56:40,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:56:40,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:40,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:40,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:40,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:40,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:56:40,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:56:40,840 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:56:40,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:40,841 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:40,842 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:40,842 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:40,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:40,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:40,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:40,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:40,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:40,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:56:40,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:56:40,848 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:40,848 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_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 [2023-11-11 23:56:41,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:41,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:41,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:41,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:41,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:41,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-11-11 23:56:44,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:44,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:44,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-11-11 23:56:44,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/data/8757fa3c2/eed86499d4ef4fa7880d54c17190b34d/FLAG3641016f0 [2023-11-11 23:56:44,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/data/8757fa3c2/eed86499d4ef4fa7880d54c17190b34d [2023-11-11 23:56:44,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:44,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:44,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:44,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:44,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:44,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:44" (1/1) ... [2023-11-11 23:56:44,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248d1779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:44, skipping insertion in model container [2023-11-11 23:56:44,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:44" (1/1) ... [2023-11-11 23:56:44,868 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:45,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:45,141 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:45,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:45,185 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:45,185 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:45,194 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:45,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45 WrapperNode [2023-11-11 23:56:45,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:45,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:45,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:45,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:45,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,242 INFO L138 Inliner]: procedures = 25, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-11-11 23:56:45,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:45,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:45,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:45,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:45,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:45,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:45,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:45,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:45,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:45" (1/1) ... [2023-11-11 23:56:45,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:45,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:45,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:45,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:56:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:56:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:56:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:56:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:56:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:56:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:56:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:56:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:56:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:56:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:56:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:56:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:56:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:56:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:56:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:56:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:45,389 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 23:56:45,539 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:45,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:46,054 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:46,380 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:46,380 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:56:46,381 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L72-4 is neither atomic block end nor a sink node. [2023-11-11 23:56:46,382 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 23:56:46,387 INFO L158 Benchmark]: Toolchain (without parser) took 1577.98ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 108.2MB in the beginning and 136.6MB in the end (delta: -28.4MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2023-11-11 23:56:46,387 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 155.2MB. Free memory was 99.8MB in the beginning and 99.7MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:46,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.36ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 95.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:56:46,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.13ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 93.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:46,390 INFO L158 Benchmark]: Boogie Preprocessor took 54.06ms. Allocated memory is still 155.2MB. Free memory was 93.1MB in the beginning and 91.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:46,391 INFO L158 Benchmark]: RCFGBuilder took 1085.80ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 91.4MB in the beginning and 136.6MB in the end (delta: -45.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-11 23:56:46,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 155.2MB. Free memory was 99.8MB in the beginning and 99.7MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.36ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 95.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.13ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 93.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.06ms. Allocated memory is still 155.2MB. Free memory was 93.1MB in the beginning and 91.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1085.80ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 91.4MB in the beginning and 136.6MB in the end (delta: -45.2MB). Peak memory consumption was 24.7MB. 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 23:56:46,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/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_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/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_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/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_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/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 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:49,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:49,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:56:49,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:49,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:49,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:49,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:49,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:49,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:49,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:49,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:56:49,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:56:49,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:49,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:49,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:49,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:49,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:56:49,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:56:49,429 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:56:49,430 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:56:49,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:56:49,431 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:56:49,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:49,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:49,433 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:49,433 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:49,434 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:56:49,434 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:49,435 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:49,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:49,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:49,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:49,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:49,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:49,438 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:56:49,438 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:49,439 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:49,439 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:56:49,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:49,440 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_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 [2023-11-11 23:56:49,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:49,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:49,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:49,854 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:49,855 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:49,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-11-11 23:56:53,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:53,408 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:53,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-11-11 23:56:53,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/data/7134ed29e/136097e7dace4ef7a21ac67992bb8f27/FLAGcc5209e48 [2023-11-11 23:56:53,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/data/7134ed29e/136097e7dace4ef7a21ac67992bb8f27 [2023-11-11 23:56:53,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:53,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:53,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:53,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:53,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:53,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:53,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcd2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53, skipping insertion in model container [2023-11-11 23:56:53,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:53,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:53,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:53,820 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:56:53,832 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:53,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:53,877 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:53,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:53,953 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:53,953 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:53,965 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:53,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53 WrapperNode [2023-11-11 23:56:53,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:53,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:53,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:53,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:53,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,037 INFO L138 Inliner]: procedures = 27, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2023-11-11 23:56:54,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:54,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:54,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:54,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:54,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:54,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:54,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:54,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:54,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:54,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:54,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:54,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:54,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:56:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:56:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:56:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:56:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:56:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:56:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:56:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:56:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:56:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:56:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:56:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:56:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:56:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:56:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:56:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:56:54,254 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 23:56:54,438 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:54,440 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:55,208 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:55,523 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:55,523 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:56:55,524 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L72-4 is neither atomic block end nor a sink node. [2023-11-11 23:56:55,525 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 23:56:55,532 INFO L158 Benchmark]: Toolchain (without parser) took 2092.06ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 46.9MB in the beginning and 48.3MB in the end (delta: -1.3MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-11-11 23:56:55,533 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:55,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.38ms. Allocated memory is still 75.5MB. Free memory was 46.7MB in the beginning and 31.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:56:55,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.96ms. Allocated memory is still 75.5MB. Free memory was 31.0MB in the beginning and 29.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:55,537 INFO L158 Benchmark]: Boogie Preprocessor took 107.03ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 29.3MB in the beginning and 85.6MB in the end (delta: -56.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:55,570 INFO L158 Benchmark]: RCFGBuilder took 1383.22ms. Allocated memory is still 109.1MB. Free memory was 85.6MB in the beginning and 48.3MB in the end (delta: 37.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-11 23:56:55,573 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.38ms. Allocated memory is still 75.5MB. Free memory was 46.7MB in the beginning and 31.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.96ms. Allocated memory is still 75.5MB. Free memory was 31.0MB in the beginning and 29.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 107.03ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 29.3MB in the beginning and 85.6MB in the end (delta: -56.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1383.22ms. Allocated memory is still 109.1MB. Free memory was 85.6MB in the beginning and 48.3MB in the end (delta: 37.3MB). Peak memory consumption was 35.7MB. 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 23:56:55,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a01f20-b3ac-4679-ad5b-b4a6ccd29413/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?