./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak --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 273cf1af5a5d6b10d60bab1e6f8b93d70d887017 .................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak --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 273cf1af5a5d6b10d60bab1e6f8b93d70d887017 ....................................................................................................................................................................................................... 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? --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:10:23,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:10:23,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:10:23,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:10:23,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:10:23,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:10:23,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:10:23,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:10:23,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:10:23,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:10:23,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:10:23,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:10:23,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:10:23,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:10:23,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:10:23,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:10:23,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:10:23,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:10:23,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:10:23,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:10:23,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:10:23,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:10:23,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:10:23,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:10:23,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:10:23,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:10:23,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:10:23,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:10:23,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:10:23,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:10:23,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:10:23,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:10:23,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:10:23,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:10:23,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:10:23,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:10:23,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:10:23,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:10:23,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:10:23,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:10:23,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:10:23,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:10:23,246 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:10:23,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:10:23,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:10:23,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:10:23,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:10:23,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:10:23,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:10:23,251 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:10:23,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:10:23,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:10:23,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:10:23,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:10:23,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:10:23,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:10:23,255 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:10:23,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:10:23,255 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:10:23,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:10:23,256 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:10:23,256 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:10:23,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:10:23,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:10:23,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:10:23,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:10:23,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:10:23,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:10:23,258 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:10:23,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:10:23,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:10:23,261 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-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 273cf1af5a5d6b10d60bab1e6f8b93d70d887017 [2020-12-01 17:10:23,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:10:23,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:10:23,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:10:23,691 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:10:23,702 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:10:23,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2020-12-01 17:10:23,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/data/91246d457/0f49fff787de498781ecc58a6bb6abb9/FLAGc53f6a825 [2020-12-01 17:10:24,608 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:10:24,609 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2020-12-01 17:10:24,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/data/91246d457/0f49fff787de498781ecc58a6bb6abb9/FLAGc53f6a825 [2020-12-01 17:10:24,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/data/91246d457/0f49fff787de498781ecc58a6bb6abb9 [2020-12-01 17:10:24,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:10:24,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:10:24,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:10:24,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:10:24,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:10:24,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:10:24" (1/1) ... [2020-12-01 17:10:24,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8d7339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:24, skipping insertion in model container [2020-12-01 17:10:24,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:10:24" (1/1) ... [2020-12-01 17:10:24,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:10:25,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:10:25,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:10:25,527 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:10:25,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:10:25,724 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:10:25,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25 WrapperNode [2020-12-01 17:10:25,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:10:25,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:10:25,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:10:25,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:10:25,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25" (1/1) ... [2020-12-01 17:10:25,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25" (1/1) ... [2020-12-01 17:10:25,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:10:25,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:10:25,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:10:25,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:10:25,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25" (1/1) ... [2020-12-01 17:10:25,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25" (1/1) ... [2020-12-01 17:10:25,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25" (1/1) ... [2020-12-01 17:10:25,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25" (1/1) ... [2020-12-01 17:10:25,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25" (1/1) ... [2020-12-01 17:10:25,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25" (1/1) ... [2020-12-01 17:10:25,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25" (1/1) ... [2020-12-01 17:10:25,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:10:25,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:10:25,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:10:25,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:10:25,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:10:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 17:10:25,958 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 17:10:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:10:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-01 17:10:25,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-01 17:10:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:10:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:10:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:10:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2020-12-01 17:10:25,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2020-12-01 17:10:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:10:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:10:25,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:10:25,967 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-01 17:10:26,952 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:10:26,953 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 17:10:26,954 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_CASENTRY is neither atomic block end nor error location. [2020-12-01 17:10:26,955 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:301) 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) [2020-12-01 17:10:26,961 INFO L168 Benchmark]: Toolchain (without parser) took 2069.38 ms. Allocated memory is still 102.8 MB. Free memory was 71.6 MB in the beginning and 40.2 MB in the end (delta: 31.4 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:10:26,963 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 81.8 MB. Free memory was 39.2 MB in the beginning and 39.2 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:10:26,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 833.41 ms. Allocated memory is still 102.8 MB. Free memory was 71.6 MB in the beginning and 58.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:10:26,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.61 ms. Allocated memory is still 102.8 MB. Free memory was 58.5 MB in the beginning and 56.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:10:26,968 INFO L168 Benchmark]: Boogie Preprocessor took 54.82 ms. Allocated memory is still 102.8 MB. Free memory was 56.5 MB in the beginning and 55.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:10:26,969 INFO L168 Benchmark]: RCFGBuilder took 1112.59 ms. Allocated memory is still 102.8 MB. Free memory was 55.0 MB in the beginning and 40.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:10:26,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 81.8 MB. Free memory was 39.2 MB in the beginning and 39.2 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 833.41 ms. Allocated memory is still 102.8 MB. Free memory was 71.6 MB in the beginning and 58.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.61 ms. Allocated memory is still 102.8 MB. Free memory was 58.5 MB in the beginning and 56.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.82 ms. Allocated memory is still 102.8 MB. Free memory was 56.5 MB in the beginning and 55.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1112.59 ms. Allocated memory is still 102.8 MB. Free memory was 55.0 MB in the beginning and 40.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * 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:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 17:10:29,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:10:29,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:10:29,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:10:29,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:10:29,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:10:29,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:10:29,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:10:29,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:10:29,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:10:29,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:10:30,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:10:30,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:10:30,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:10:30,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:10:30,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:10:30,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:10:30,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:10:30,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:10:30,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:10:30,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:10:30,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:10:30,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:10:30,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:10:30,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:10:30,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:10:30,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:10:30,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:10:30,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:10:30,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:10:30,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:10:30,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:10:30,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:10:30,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:10:30,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:10:30,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:10:30,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:10:30,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:10:30,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:10:30,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:10:30,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:10:30,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 17:10:30,114 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:10:30,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:10:30,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:10:30,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:10:30,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:10:30,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:10:30,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:10:30,118 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:10:30,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:10:30,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:10:30,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:10:30,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:10:30,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:10:30,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:10:30,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:10:30,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:10:30,120 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:10:30,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:10:30,121 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:10:30,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:10:30,121 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:10:30,121 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:10:30,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:10:30,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:10:30,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:10:30,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:10:30,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:10:30,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:10:30,135 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:10:30,135 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:10:30,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:10:30,135 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:10:30,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:10:30,136 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-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 273cf1af5a5d6b10d60bab1e6f8b93d70d887017 [2020-12-01 17:10:30,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:10:30,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:10:30,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:10:30,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:10:30,620 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:10:30,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2020-12-01 17:10:30,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/data/f9ab985c3/a575a646d4de44a7b7b60c7d3dde1262/FLAG0446f6a7d [2020-12-01 17:10:31,540 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:10:31,541 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2020-12-01 17:10:31,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/data/f9ab985c3/a575a646d4de44a7b7b60c7d3dde1262/FLAG0446f6a7d [2020-12-01 17:10:31,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/data/f9ab985c3/a575a646d4de44a7b7b60c7d3dde1262 [2020-12-01 17:10:31,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:10:31,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:10:31,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:10:31,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:10:31,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:10:31,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:10:31" (1/1) ... [2020-12-01 17:10:31,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e22d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:31, skipping insertion in model container [2020-12-01 17:10:31,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:10:31" (1/1) ... [2020-12-01 17:10:31,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:10:31,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:10:32,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:10:32,491 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:10:32,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:10:32,697 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:10:32,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32 WrapperNode [2020-12-01 17:10:32,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:10:32,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:10:32,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:10:32,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:10:32,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32" (1/1) ... [2020-12-01 17:10:32,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32" (1/1) ... [2020-12-01 17:10:32,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:10:32,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:10:32,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:10:32,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:10:32,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32" (1/1) ... [2020-12-01 17:10:32,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32" (1/1) ... [2020-12-01 17:10:32,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32" (1/1) ... [2020-12-01 17:10:32,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32" (1/1) ... [2020-12-01 17:10:32,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32" (1/1) ... [2020-12-01 17:10:32,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32" (1/1) ... [2020-12-01 17:10:32,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32" (1/1) ... [2020-12-01 17:10:32,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:10:32,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:10:32,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:10:32,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:10:32,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_babfee0c-ce89-4e98-8d07-2acf37d976d9/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:10:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 17:10:32,953 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 17:10:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 17:10:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-01 17:10:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-01 17:10:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:10:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:10:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 17:10:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:10:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-01 17:10:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2020-12-01 17:10:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2020-12-01 17:10:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:10:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:10:32,958 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-01 17:10:34,345 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:10:34,346 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 17:10:34,347 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_CASENTRY is neither atomic block end nor error location. [2020-12-01 17:10:34,348 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:301) 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) [2020-12-01 17:10:34,354 INFO L168 Benchmark]: Toolchain (without parser) took 2558.56 ms. Allocated memory was 52.4 MB in the beginning and 75.5 MB in the end (delta: 23.1 MB). Free memory was 28.4 MB in the beginning and 34.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:10:34,355 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:10:34,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.24 ms. Allocated memory was 52.4 MB in the beginning and 75.5 MB in the end (delta: 23.1 MB). Free memory was 28.2 MB in the beginning and 54.0 MB in the end (delta: -25.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:10:34,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.53 ms. Allocated memory is still 75.5 MB. Free memory was 54.0 MB in the beginning and 51.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:10:34,358 INFO L168 Benchmark]: Boogie Preprocessor took 69.02 ms. Allocated memory is still 75.5 MB. Free memory was 51.7 MB in the beginning and 49.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:10:34,359 INFO L168 Benchmark]: RCFGBuilder took 1480.03 ms. Allocated memory is still 75.5 MB. Free memory was 49.9 MB in the beginning and 34.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:10:34,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 907.24 ms. Allocated memory was 52.4 MB in the beginning and 75.5 MB in the end (delta: 23.1 MB). Free memory was 28.2 MB in the beginning and 54.0 MB in the end (delta: -25.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.53 ms. Allocated memory is still 75.5 MB. Free memory was 54.0 MB in the beginning and 51.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.02 ms. Allocated memory is still 75.5 MB. Free memory was 51.7 MB in the beginning and 49.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1480.03 ms. Allocated memory is still 75.5 MB. Free memory was 49.9 MB in the beginning and 34.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * 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:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...