./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:43:40,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:43:40,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:43:40,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:43:40,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:43:40,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:43:40,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:43:40,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:43:40,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:43:40,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:43:40,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:43:40,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:43:40,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:43:40,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:43:40,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:43:40,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:43:40,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:43:40,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:43:40,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:43:40,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:43:40,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:43:40,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:43:40,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:43:40,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:43:40,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:43:40,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:43:40,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:43:40,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:43:40,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:43:40,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:43:40,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:43:40,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:43:40,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:43:40,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:43:40,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:43:40,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:43:40,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:43:40,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:43:40,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:43:40,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:43:40,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:43:40,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 02:43:40,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:43:40,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:43:40,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:43:40,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:43:40,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:43:40,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:43:40,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:43:40,633 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:43:40,633 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:43:40,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:43:40,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:43:40,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:43:40,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:43:40,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:43:40,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:43:40,634 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:43:40,634 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:43:40,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:43:40,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:43:40,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:43:40,635 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:43:40,635 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:43:40,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:43:40,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:43:40,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:43:40,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:43:40,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:43:40,636 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:43:40,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:43:40,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:43:40,636 INFO L138 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_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e [2022-12-15 02:43:40,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:43:40,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:43:40,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:43:40,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:43:40,829 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:43:40,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2022-12-15 02:43:43,325 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:43:43,494 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:43:43,494 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2022-12-15 02:43:43,499 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/data/31d240254/c30d0327498e47a8bc63af3b308ee593/FLAGdd262d7f9 [2022-12-15 02:43:43,904 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/data/31d240254/c30d0327498e47a8bc63af3b308ee593 [2022-12-15 02:43:43,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:43:43,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:43:43,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:43:43,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:43:43,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:43:43,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:43:43" (1/1) ... [2022-12-15 02:43:43,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b655ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:43, skipping insertion in model container [2022-12-15 02:43:43,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:43:43" (1/1) ... [2022-12-15 02:43:43,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:43:43,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:43:44,059 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:44,060 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:44,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:44,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:44,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:44,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:44,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:44,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:44,075 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c[2507,2520] [2022-12-15 02:43:44,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:43:44,084 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:43:44,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:44,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:44,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:44,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:44,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:44,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:44,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:44,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:44,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c[2507,2520] [2022-12-15 02:43:44,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:43:44,121 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:43:44,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44 WrapperNode [2022-12-15 02:43:44,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:43:44,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:43:44,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:43:44,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:43:44,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,154 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 79 [2022-12-15 02:43:44,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:43:44,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:43:44,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:43:44,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:43:44,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:43:44,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:43:44,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:43:44,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:43:44,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:44" (1/1) ... [2022-12-15 02:43:44,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:43:44,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:43:44,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:43:44,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:43:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:43:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 02:43:44,235 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 02:43:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-15 02:43:44,235 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-15 02:43:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-15 02:43:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-15 02:43:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-15 02:43:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-15 02:43:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:43:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:43:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:43:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:43:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:43:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 02:43:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 02:43:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:43:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:43:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:43:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:43:44,238 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 02:43:44,314 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:43:44,316 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:43:44,535 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:43:44,620 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:43:44,620 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 02:43:44,621 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-12-15 02:43:44,621 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:303) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-15 02:43:44,625 INFO L158 Benchmark]: Toolchain (without parser) took 715.58ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 73.6MB in the beginning and 99.5MB in the end (delta: -25.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-12-15 02:43:44,625 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 107.0MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:43:44,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.23ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 61.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:43:44,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.63ms. Allocated memory is still 107.0MB. Free memory was 61.4MB in the beginning and 59.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:43:44,626 INFO L158 Benchmark]: Boogie Preprocessor took 19.53ms. Allocated memory is still 107.0MB. Free memory was 59.7MB in the beginning and 58.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:43:44,627 INFO L158 Benchmark]: RCFGBuilder took 448.03ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 58.1MB in the beginning and 99.5MB in the end (delta: -41.4MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-12-15 02:43:44,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 107.0MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.23ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 61.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.63ms. Allocated memory is still 107.0MB. Free memory was 61.4MB in the beginning and 59.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.53ms. Allocated memory is still 107.0MB. Free memory was 59.7MB in the beginning and 58.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.03ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 58.1MB in the beginning and 99.5MB in the end (delta: -41.4MB). Peak memory consumption was 25.3MB. 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:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:43:44,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:43:46,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:43:46,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:43:46,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:43:46,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:43:46,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:43:46,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:43:46,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:43:46,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:43:46,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:43:46,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:43:46,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:43:46,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:43:46,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:43:46,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:43:46,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:43:46,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:43:46,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:43:46,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:43:46,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:43:46,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:43:46,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:43:46,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:43:46,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:43:46,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:43:46,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:43:46,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:43:46,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:43:46,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:43:46,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:43:46,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:43:46,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:43:46,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:43:46,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:43:46,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:43:46,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:43:46,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:43:46,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:43:46,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:43:46,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:43:46,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:43:46,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 02:43:46,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:43:46,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:43:46,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:43:46,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:43:46,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:43:46,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:43:46,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:43:46,475 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:43:46,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:43:46,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:43:46,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:43:46,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:43:46,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:43:46,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:43:46,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 02:43:46,476 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 02:43:46,476 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:43:46,476 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 02:43:46,477 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:43:46,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:43:46,477 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:43:46,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:43:46,477 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:43:46,477 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:43:46,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:43:46,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:43:46,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:43:46,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:43:46,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:43:46,479 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 02:43:46,479 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 02:43:46,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:43:46,479 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 02:43:46,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 02:43:46,479 INFO L138 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_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e [2022-12-15 02:43:46,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:43:46,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:43:46,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:43:46,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:43:46,716 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:43:46,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2022-12-15 02:43:49,304 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:43:49,432 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:43:49,433 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2022-12-15 02:43:49,438 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/data/f09f447d5/39cc0790836a470eab7448b835ca4fef/FLAGe4da5db45 [2022-12-15 02:43:49,449 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/data/f09f447d5/39cc0790836a470eab7448b835ca4fef [2022-12-15 02:43:49,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:43:49,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:43:49,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:43:49,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:43:49,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:43:49,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b111c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49, skipping insertion in model container [2022-12-15 02:43:49,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:43:49,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:43:49,588 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:49,589 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:49,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:49,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:49,595 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:49,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:49,597 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:49,598 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:49,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c[2507,2520] [2022-12-15 02:43:49,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:43:49,613 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:43:49,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:49,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:49,625 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:49,626 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:49,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:49,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:49,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:43:49,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:43:49,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c[2507,2520] [2022-12-15 02:43:49,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:43:49,651 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:43:49,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49 WrapperNode [2022-12-15 02:43:49,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:43:49,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:43:49,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:43:49,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:43:49,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,680 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2022-12-15 02:43:49,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:43:49,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:43:49,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:43:49,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:43:49,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,706 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:43:49,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:43:49,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:43:49,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:43:49,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:43:49" (1/1) ... [2022-12-15 02:43:49,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:43:49,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:43:49,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:43:49,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:43:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:43:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 02:43:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 02:43:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-15 02:43:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-15 02:43:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-15 02:43:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-15 02:43:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 02:43:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-15 02:43:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-15 02:43:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:43:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:43:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:43:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 02:43:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 02:43:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 02:43:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:43:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:43:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:43:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 02:43:49,763 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 02:43:49,846 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:43:49,848 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:43:50,104 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:43:50,158 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:43:50,158 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 02:43:50,159 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-12-15 02:43:50,160 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:303) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-15 02:43:50,162 INFO L158 Benchmark]: Toolchain (without parser) took 709.87ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 52.4MB in the end (delta: -215.0kB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-12-15 02:43:50,163 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:43:50,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.19ms. Allocated memory is still 73.4MB. Free memory was 52.0MB in the beginning and 39.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 02:43:50,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.74ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 37.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:43:50,164 INFO L158 Benchmark]: Boogie Preprocessor took 28.41ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 53.7MB in the end (delta: -16.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-12-15 02:43:50,164 INFO L158 Benchmark]: RCFGBuilder took 451.29ms. Allocated memory is still 73.4MB. Free memory was 53.7MB in the beginning and 52.4MB in the end (delta: 1.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-15 02:43:50,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.19ms. Allocated memory is still 73.4MB. Free memory was 52.0MB in the beginning and 39.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.74ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 37.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.41ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 53.7MB in the end (delta: -16.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.29ms. Allocated memory is still 73.4MB. Free memory was 53.7MB in the beginning and 52.4MB in the end (delta: 1.3MB). Peak memory consumption was 27.3MB. 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:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:43:50,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9e980d-c704-4331-a583-8ff68ac3005a/bin/ukojak-rkRKPMF4O4/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?