./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i --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_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/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_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/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_59b5fde3-f3db-4fc7-adc8-c582434fbd59/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 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:38,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:38,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:56:38,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:56:38,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:56:38,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:38,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:38,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:38,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:38,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:38,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:38,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:38,977 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:56:38,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:56:38,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:56:38,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:38,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:38,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:38,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:38,981 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:56:38,982 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:56:38,983 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:56:38,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:38,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:38,985 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:38,985 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:38,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:38,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:38,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:38,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:38,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:38,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:56:38,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:56:38,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:38,989 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_59b5fde3-f3db-4fc7-adc8-c582434fbd59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b [2023-11-11 23:56:39,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:39,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:39,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:39,300 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:39,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:39,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2023-11-11 23:56:42,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:43,013 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:43,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2023-11-11 23:56:43,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/data/28b8f73a7/b0a2af241ca14a59b086fe06901bc327/FLAG7855ce998 [2023-11-11 23:56:43,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/data/28b8f73a7/b0a2af241ca14a59b086fe06901bc327 [2023-11-11 23:56:43,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:43,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:43,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:43,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:43,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:43,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396f613f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43, skipping insertion in model container [2023-11-11 23:56:43,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:43,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:43,616 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:43,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:43,771 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:43,771 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:43,780 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:43,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43 WrapperNode [2023-11-11 23:56:43,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:43,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:43,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:43,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:43,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,843 INFO L138 Inliner]: procedures = 177, calls = 89, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 155 [2023-11-11 23:56:43,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:43,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:43,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:43,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:43,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:43,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:43,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:43,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:43,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:43" (1/1) ... [2023-11-11 23:56:43,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:43,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:43,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:44,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:56:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:56:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:56:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:56:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:56:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-11 23:56:44,051 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-11 23:56:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-11 23:56:44,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-11 23:56:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-11 23:56:44,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-11 23:56:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-11 23:56:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-11 23:56:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:56:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:56:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:44,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:44,057 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 23:56:44,270 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:44,273 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:45,048 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:45,502 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:45,503 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:56:45,503 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L800 is neither atomic block end nor a sink node. [2023-11-11 23:56:45,504 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 23:56:45,510 INFO L158 Benchmark]: Toolchain (without parser) took 2452.82ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 59.1MB in the end (delta: 70.0MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2023-11-11 23:56:45,510 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 125.8MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:45,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.77ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 102.8MB in the end (delta: 25.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:56:45,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.45ms. Allocated memory is still 161.5MB. Free memory was 102.8MB in the beginning and 100.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:45,513 INFO L158 Benchmark]: Boogie Preprocessor took 92.31ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 97.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:45,514 INFO L158 Benchmark]: RCFGBuilder took 1565.71ms. Allocated memory is still 161.5MB. Free memory was 97.5MB in the beginning and 59.1MB in the end (delta: 38.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-11-11 23:56:45,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 125.8MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.77ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 102.8MB in the end (delta: 25.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.45ms. Allocated memory is still 161.5MB. Free memory was 102.8MB in the beginning and 100.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.31ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 97.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1565.71ms. Allocated memory is still 161.5MB. Free memory was 97.5MB in the beginning and 59.1MB in the end (delta: 38.3MB). Peak memory consumption was 38.4MB. 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 23:56:45,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/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_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/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_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/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_59b5fde3-f3db-4fc7-adc8-c582434fbd59/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 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:48,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:48,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:56:48,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:48,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:48,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:48,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:48,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:48,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:48,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:48,764 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:56:48,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:56:48,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:48,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:48,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:48,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:48,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:56:48,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:56:48,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:56:48,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:56:48,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:56:48,773 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:56:48,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:48,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:48,774 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:48,775 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:48,775 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:56:48,775 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:48,776 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:48,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:48,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:48,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:48,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:48,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:48,779 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:56:48,780 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:48,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:48,780 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:56:48,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:48,782 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_59b5fde3-f3db-4fc7-adc8-c582434fbd59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b [2023-11-11 23:56:49,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:49,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:49,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:49,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:49,314 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:49,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2023-11-11 23:56:52,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:52,976 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:52,977 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2023-11-11 23:56:53,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/data/d0ec23251/8cd7adf5f1c44b44b4798a223ed8c919/FLAGb3c20604e [2023-11-11 23:56:53,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/data/d0ec23251/8cd7adf5f1c44b44b4798a223ed8c919 [2023-11-11 23:56:53,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:53,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:53,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:53,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:53,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:53,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:53,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f8c99 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 23:56:53,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:53" (1/1) ... [2023-11-11 23:56:53,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:53,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:53,662 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:53,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:53,826 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:53,826 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:53,834 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:53,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:53 WrapperNode [2023-11-11 23:56:53,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:53,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:53,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:53,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:53,846 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 23:56:53,881 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 23:56:53,912 INFO L138 Inliner]: procedures = 181, calls = 89, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 156 [2023-11-11 23:56:53,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:53,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:53,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:53,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:53,933 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 23:56:53,934 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 23:56:53,958 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 23:56:53,958 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 23:56:53,999 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 23:56:54,002 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 23:56:54,008 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 23:56:54,029 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 23:56:54,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:54,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:54,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:54,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:54,038 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 23:56:54,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:54,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:54,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:56:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:56:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:56:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:56:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:56:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:56:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:56:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-11 23:56:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-11 23:56:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-11 23:56:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-11 23:56:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-11 23:56:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-11 23:56:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-11 23:56:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-11 23:56:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:56:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:54,129 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 23:56:54,422 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:54,424 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:55,184 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:55,705 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:55,705 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:56:55,706 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L800 is neither atomic block end nor a sink node. [2023-11-11 23:56:55,707 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 23:56:55,714 INFO L158 Benchmark]: Toolchain (without parser) took 2682.25ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.7MB in the beginning and 40.1MB in the end (delta: 9.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-11 23:56:55,715 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 75.5MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:55,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.68ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.6MB in the beginning and 59.0MB in the end (delta: -9.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-11 23:56:55,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.12ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 56.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:55,718 INFO L158 Benchmark]: Boogie Preprocessor took 122.71ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 53.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:55,720 INFO L158 Benchmark]: RCFGBuilder took 1674.85ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 40.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-11 23:56:55,728 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 75.5MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.68ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.6MB in the beginning and 59.0MB in the end (delta: -9.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.12ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 56.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.71ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 53.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1674.85ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 40.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.3MB. 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 23:56:55,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b5fde3-f3db-4fc7-adc8-c582434fbd59/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?