./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/thin002_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_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/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_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/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_b1c89ee5-db39-421a-85db-6f3da52c406e/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 e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:50,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:50,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:00:50,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:50,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:50,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:50,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:50,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:50,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:50,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:50,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:50,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:50,928 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:50,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:50,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:50,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:50,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:50,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:50,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:50,932 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:50,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:50,935 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:50,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:50,936 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:50,936 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:50,937 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:50,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:50,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:50,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:50,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:50,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:50,940 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:50,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:50,941 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:50,941 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_b1c89ee5-db39-421a-85db-6f3da52c406e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 [2023-11-12 00:00:51,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:51,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:51,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:51,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:51,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:51,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-11-12 00:00:54,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:54,962 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:54,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-11-12 00:00:54,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/data/da98a2a04/3365e01e0989495898c17ba6d0585faf/FLAG7f9b9423b [2023-11-12 00:00:55,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/data/da98a2a04/3365e01e0989495898c17ba6d0585faf [2023-11-12 00:00:55,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:55,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:55,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:55,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:55,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:55,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bfcc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55, skipping insertion in model container [2023-11-12 00:00:55,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,070 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:55,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:55,605 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:55,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:55,744 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:55,744 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:55,752 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:55,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55 WrapperNode [2023-11-12 00:00:55,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:55,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:55,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:55,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:55,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,858 INFO L138 Inliner]: procedures = 177, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 157 [2023-11-12 00:00:55,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:55,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:55,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:55,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:55,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:55,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:55,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:55,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:55,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:55" (1/1) ... [2023-11-12 00:00:55,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:55,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:55,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:56,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:00:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:00:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:00:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-12 00:00:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-12 00:00:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-12 00:00:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-12 00:00:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-12 00:00:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-12 00:00:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-12 00:00:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-12 00:00:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:00:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:56,031 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:56,233 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:56,235 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:56,764 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:57,223 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:57,223 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:00:57,224 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L808 is neither atomic block end nor a sink node. [2023-11-12 00:00:57,225 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:00:57,229 INFO L158 Benchmark]: Toolchain (without parser) took 2221.78ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 87.6MB in the end (delta: 36.7MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2023-11-12 00:00:57,230 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 107.0MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:57,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.19ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 99.5MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:57,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.06ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 96.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:57,232 INFO L158 Benchmark]: Boogie Preprocessor took 71.42ms. Allocated memory is still 157.3MB. Free memory was 96.5MB in the beginning and 94.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:57,233 INFO L158 Benchmark]: RCFGBuilder took 1292.37ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 87.6MB in the end (delta: 7.0MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2023-11-12 00:00:57,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 107.0MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.19ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 99.5MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.06ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 96.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.42ms. Allocated memory is still 157.3MB. Free memory was 96.5MB in the beginning and 94.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1292.37ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 87.6MB in the end (delta: 7.0MB). Peak memory consumption was 47.4MB. 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. [2023-11-12 00:00:57,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/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_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/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_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/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_b1c89ee5-db39-421a-85db-6f3da52c406e/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 e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:59,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:00,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:01:00,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:00,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:00,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:00,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:00,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:00,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:00,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:00,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:00,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:00,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:00,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:00,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:00,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:00,065 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:01:00,065 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:01:00,066 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:01:00,066 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:01:00,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:00,068 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:00,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:00,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:00,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:00,070 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:00,071 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:01:00,071 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:00,071 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:00,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:00,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:00,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:00,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:00,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:00,074 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:01:00,074 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:00,074 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:00,075 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:01:00,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:00,075 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_b1c89ee5-db39-421a-85db-6f3da52c406e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 [2023-11-12 00:01:00,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:00,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:00,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:00,490 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:00,491 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:00,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-11-12 00:01:03,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:04,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:04,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-11-12 00:01:04,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/data/7be061a93/79163da97287499289ad2af6598fb719/FLAG017d5e262 [2023-11-12 00:01:04,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/data/7be061a93/79163da97287499289ad2af6598fb719 [2023-11-12 00:01:04,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:04,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:04,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:04,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:04,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:04,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:04,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107764e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04, skipping insertion in model container [2023-11-12 00:01:04,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:04,332 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:04,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:04,781 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:04,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:04,925 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:04,925 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:04,933 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:04,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04 WrapperNode [2023-11-12 00:01:04,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:04,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:04,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:04,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:04,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:04,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:05,033 INFO L138 Inliner]: procedures = 181, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 158 [2023-11-12 00:01:05,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:05,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:05,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:05,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:05,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:05,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:05,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:05,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:05,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:05,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:05,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:05,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:05,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:05,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:05,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:05,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:05,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:04" (1/1) ... [2023-11-12 00:01:05,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:05,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:05,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:05,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:01:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:01:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:01:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:01:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:01:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:01:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:01:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-12 00:01:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-12 00:01:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-12 00:01:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-12 00:01:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-12 00:01:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-12 00:01:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-12 00:01:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-12 00:01:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:01:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:05,221 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:01:05,483 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:05,486 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:06,062 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:06,581 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:06,582 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:01:06,582 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L808 is neither atomic block end nor a sink node. [2023-11-12 00:01:06,583 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:01:06,591 INFO L158 Benchmark]: Toolchain (without parser) took 2325.45ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 54.9MB in the beginning and 64.1MB in the end (delta: -9.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-12 00:01:06,593 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 54.5MB. Free memory was 31.4MB in the beginning and 31.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:06,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.90ms. Allocated memory is still 79.7MB. Free memory was 54.7MB in the beginning and 47.8MB in the end (delta: 6.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-12 00:01:06,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.24ms. Allocated memory is still 79.7MB. Free memory was 47.8MB in the beginning and 45.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:06,596 INFO L158 Benchmark]: Boogie Preprocessor took 87.72ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 42.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:06,597 INFO L158 Benchmark]: RCFGBuilder took 1465.27ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 42.3MB in the beginning and 64.1MB in the end (delta: -21.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-11-12 00:01:06,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 54.5MB. Free memory was 31.4MB in the beginning and 31.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 667.90ms. Allocated memory is still 79.7MB. Free memory was 54.7MB in the beginning and 47.8MB in the end (delta: 6.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.24ms. Allocated memory is still 79.7MB. Free memory was 47.8MB in the beginning and 45.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.72ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 42.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1465.27ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 42.3MB in the beginning and 64.1MB in the end (delta: -21.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:01:06,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c89ee5-db39-421a-85db-6f3da52c406e/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?