./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 --- 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-dbf71c6-m [2022-10-17 16:46:28,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:28,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:28,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:28,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:28,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:28,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:28,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:28,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:28,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:28,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:28,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:28,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:28,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:28,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:28,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:28,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:28,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:28,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:28,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:28,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:28,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:28,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:28,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:28,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:28,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:28,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:28,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:28,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:28,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:28,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:28,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:28,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:28,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:28,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:28,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:28,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:28,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:28,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:28,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:28,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:28,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:46:28,961 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:28,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:28,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:28,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:28,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:28,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:28,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:28,964 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:28,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:28,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:28,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:28,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:28,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:28,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:28,975 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:28,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:28,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:28,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:28,976 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:28,976 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:28,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:28,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:28,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:28,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:28,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:28,978 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:28,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:28,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:28,979 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_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 [2022-10-17 16:46:29,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:29,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:29,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:29,322 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:29,324 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:29,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2022-10-17 16:46:29,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/data/9795689c6/3dd287861ba148f6b5b5b2ce06dfe96f/FLAG471bb3574 [2022-10-17 16:46:29,932 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:29,933 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2022-10-17 16:46:29,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/data/9795689c6/3dd287861ba148f6b5b5b2ce06dfe96f/FLAG471bb3574 [2022-10-17 16:46:30,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/data/9795689c6/3dd287861ba148f6b5b5b2ce06dfe96f [2022-10-17 16:46:30,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:30,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:30,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:30,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:30,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:30,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5354c845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30, skipping insertion in model container [2022-10-17 16:46:30,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:30,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:30,607 WARN L230 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_41de5086-1dba-4d29-adf1-8e46bda76622/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2022-10-17 16:46:30,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:30,646 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:30,711 WARN L230 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_41de5086-1dba-4d29-adf1-8e46bda76622/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2022-10-17 16:46:30,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:30,735 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:30,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30 WrapperNode [2022-10-17 16:46:30,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:30,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:30,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:30,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:30,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,793 INFO L138 Inliner]: procedures = 25, calls = 61, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2022-10-17 16:46:30,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:30,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:30,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:30,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:30,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:30,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:30,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:30,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:30,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:30,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:30,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:30,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:46:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:46:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:46:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:46:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:46:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:46:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:46:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:46:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:46:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:46:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:46:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:46:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:46:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:46:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:46:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:46:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:30,945 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:46:31,165 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:31,168 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:31,561 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:31,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:31,767 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:46:31,769 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L58 is neither atomic block end nor a sink node. [2022-10-17 16:46:31,770 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) [2022-10-17 16:46:31,776 INFO L158 Benchmark]: Toolchain (without parser) took 1492.20ms. Allocated memory is still 102.8MB. Free memory was 67.0MB in the beginning and 57.2MB in the end (delta: 9.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-10-17 16:46:31,778 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:31,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.06ms. Allocated memory is still 102.8MB. Free memory was 66.8MB in the beginning and 54.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:46:31,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.88ms. Allocated memory is still 102.8MB. Free memory was 54.7MB in the beginning and 52.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:31,783 INFO L158 Benchmark]: Boogie Preprocessor took 37.58ms. Allocated memory is still 102.8MB. Free memory was 52.9MB in the beginning and 51.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:46:31,784 INFO L158 Benchmark]: RCFGBuilder took 940.11ms. Allocated memory is still 102.8MB. Free memory was 51.0MB in the beginning and 57.2MB in the end (delta: -6.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:46:31,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.06ms. Allocated memory is still 102.8MB. Free memory was 66.8MB in the beginning and 54.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.88ms. Allocated memory is still 102.8MB. Free memory was 54.7MB in the beginning and 52.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.58ms. Allocated memory is still 102.8MB. Free memory was 52.9MB in the beginning and 51.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 940.11ms. Allocated memory is still 102.8MB. Free memory was 51.0MB in the beginning and 57.2MB in the end (delta: -6.2MB). Peak memory consumption was 16.8MB. 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:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:46:31,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 --- 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-dbf71c6-m [2022-10-17 16:46:34,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:34,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:34,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:34,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:34,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:34,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:34,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:34,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:34,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:34,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:34,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:34,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:34,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:34,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:34,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:34,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:34,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:34,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:34,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:34,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:34,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:34,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:34,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:34,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:34,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:34,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:34,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:34,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:34,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:34,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:34,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:34,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:34,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:34,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:34,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:34,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:34,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:34,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:34,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:34,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:34,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:46:34,556 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:34,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:34,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:34,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:34,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:34,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:34,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:34,560 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:34,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:34,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:34,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:34,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:34,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:34,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:46:34,563 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:46:34,563 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:46:34,563 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:34,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:34,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:34,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:34,564 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:34,565 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:34,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:34,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:34,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:34,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:34,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:34,566 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:46:34,566 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:46:34,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:34,567 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:46:34,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:46:34,568 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_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 [2022-10-17 16:46:34,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:34,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:34,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:34,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:34,999 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:35,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2022-10-17 16:46:35,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/data/348505555/37d8a9ee494645fdaed49bc32fd2b136/FLAG7ad4768db [2022-10-17 16:46:35,646 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:35,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2022-10-17 16:46:35,661 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/data/348505555/37d8a9ee494645fdaed49bc32fd2b136/FLAG7ad4768db [2022-10-17 16:46:35,953 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/data/348505555/37d8a9ee494645fdaed49bc32fd2b136 [2022-10-17 16:46:35,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:35,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:35,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:35,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:35,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:35,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:35" (1/1) ... [2022-10-17 16:46:35,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b57c0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:35, skipping insertion in model container [2022-10-17 16:46:35,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:35" (1/1) ... [2022-10-17 16:46:36,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:36,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:36,289 WARN L230 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_41de5086-1dba-4d29-adf1-8e46bda76622/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2022-10-17 16:46:36,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:36,326 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:46:36,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:36,386 WARN L230 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_41de5086-1dba-4d29-adf1-8e46bda76622/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2022-10-17 16:46:36,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:36,407 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:36,459 WARN L230 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_41de5086-1dba-4d29-adf1-8e46bda76622/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2022-10-17 16:46:36,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:36,495 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:36,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36 WrapperNode [2022-10-17 16:46:36,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:36,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:36,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:36,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:36,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,564 INFO L138 Inliner]: procedures = 27, calls = 61, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 96 [2022-10-17 16:46:36,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:36,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:36,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:36,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:36,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,634 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:36,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:36,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:36,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:36,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:36" (1/1) ... [2022-10-17 16:46:36,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:36,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:36,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:36,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:46:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:46:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:46:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:46:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:46:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:46:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:46:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:46:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:46:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:46:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:46:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:46:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:46:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:46:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:46:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:46:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:46:36,750 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:46:36,914 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:36,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:37,583 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:37,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:37,849 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:46:37,850 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L58 is neither atomic block end nor a sink node. [2022-10-17 16:46:37,851 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) [2022-10-17 16:46:37,859 INFO L158 Benchmark]: Toolchain (without parser) took 1894.31ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 56.6MB in the beginning and 72.3MB in the end (delta: -15.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-10-17 16:46:37,860 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 73.4MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:37,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.39ms. Allocated memory is still 73.4MB. Free memory was 56.4MB in the beginning and 52.7MB in the end (delta: 3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:46:37,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.30ms. Allocated memory is still 73.4MB. Free memory was 52.7MB in the beginning and 50.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:46:37,864 INFO L158 Benchmark]: Boogie Preprocessor took 80.98ms. Allocated memory is still 73.4MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:46:37,865 INFO L158 Benchmark]: RCFGBuilder took 1208.53ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.7MB in the beginning and 72.3MB in the end (delta: -23.7MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-10-17 16:46:37,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 73.4MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.39ms. Allocated memory is still 73.4MB. Free memory was 56.4MB in the beginning and 52.7MB in the end (delta: 3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.30ms. Allocated memory is still 73.4MB. Free memory was 52.7MB in the beginning and 50.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.98ms. Allocated memory is still 73.4MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1208.53ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.7MB in the beginning and 72.3MB in the end (delta: -23.7MB). Peak memory consumption was 26.5MB. 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. [2022-10-17 16:46:37,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41de5086-1dba-4d29-adf1-8e46bda76622/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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?