./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/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 a20575e6b50ad553ca0b33bab4559affce455d76 ...................................................................................................................................................................................................................................... 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_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/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 a20575e6b50ad553ca0b33bab4559affce455d76 ............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:36:57,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:36:57,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:36:58,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:36:58,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:36:58,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:36:58,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:36:58,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:36:58,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:36:58,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:36:58,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:36:58,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:36:58,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:36:58,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:36:58,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:36:58,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:36:58,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:36:58,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:36:58,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:36:58,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:36:58,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:36:58,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:36:58,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:36:58,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:36:58,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:36:58,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:36:58,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:36:58,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:36:58,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:36:58,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:36:58,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:36:58,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:36:58,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:36:58,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:36:58,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:36:58,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:36:58,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:36:58,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:36:58,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:36:58,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:36:58,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:36:58,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 22:36:58,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:36:58,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:36:58,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 22:36:58,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 22:36:58,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:36:58,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:36:58,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:36:58,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:36:58,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:36:58,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:36:58,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:36:58,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:36:58,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:36:58,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:36:58,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:36:58,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:36:58,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:36:58,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:36:58,230 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 22:36:58,230 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 22:36:58,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:36:58,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:36:58,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:36:58,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:36:58,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:36:58,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:36:58,233 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 22:36:58,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:36:58,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:36:58,235 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_11031462-12ac-4c89-87b2-6b544fb144af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a20575e6b50ad553ca0b33bab4559affce455d76 [2020-11-29 22:36:58,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:36:58,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:36:58,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:36:58,569 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:36:58,570 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:36:58,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/../../sv-benchmarks/c/seq-pthread/cs_stack-1.i [2020-11-29 22:36:58,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/data/66b7614f5/61b20a3241dd46d48f4c9473ec6e5f45/FLAG5dddb69bc [2020-11-29 22:36:59,354 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:36:59,354 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/sv-benchmarks/c/seq-pthread/cs_stack-1.i [2020-11-29 22:36:59,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/data/66b7614f5/61b20a3241dd46d48f4c9473ec6e5f45/FLAG5dddb69bc [2020-11-29 22:36:59,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/data/66b7614f5/61b20a3241dd46d48f4c9473ec6e5f45 [2020-11-29 22:36:59,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:36:59,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:36:59,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:36:59,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:36:59,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:36:59,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:36:59" (1/1) ... [2020-11-29 22:36:59,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ceba9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:59, skipping insertion in model container [2020-11-29 22:36:59,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:36:59" (1/1) ... [2020-11-29 22:36:59,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:36:59,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:37:00,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:37:00,555 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:37:00,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:37:00,909 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:37:00,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00 WrapperNode [2020-11-29 22:37:00,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:37:00,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:37:00,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:37:00,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:37:00,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00" (1/1) ... [2020-11-29 22:37:00,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00" (1/1) ... [2020-11-29 22:37:01,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:37:01,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:37:01,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:37:01,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:37:01,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00" (1/1) ... [2020-11-29 22:37:01,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00" (1/1) ... [2020-11-29 22:37:01,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00" (1/1) ... [2020-11-29 22:37:01,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00" (1/1) ... [2020-11-29 22:37:01,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00" (1/1) ... [2020-11-29 22:37:01,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00" (1/1) ... [2020-11-29 22:37:01,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00" (1/1) ... [2020-11-29 22:37:01,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:37:01,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:37:01,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:37:01,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:37:01,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/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 [2020-11-29 22:37:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-29 22:37:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-29 22:37:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:37:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2020-11-29 22:37:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2020-11-29 22:37:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 22:37:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:37:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 22:37:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2020-11-29 22:37:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2020-11-29 22:37:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 22:37:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 22:37:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2020-11-29 22:37:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2020-11-29 22:37:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 22:37:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2020-11-29 22:37:01,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2020-11-29 22:37:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2020-11-29 22:37:01,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2020-11-29 22:37:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-11-29 22:37:01,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-11-29 22:37:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-11-29 22:37:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-11-29 22:37:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2020-11-29 22:37:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2020-11-29 22:37:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:37:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:37:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:37:01,901 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256); [2020-11-29 22:37:01,901 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2020-11-29 22:37:01,940 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !(0 != ~__CS_ret~0 % 256); [2020-11-29 22:37:01,940 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256; [2020-11-29 22:37:01,940 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume 0 != ~__CS_ret~0 % 256; [2020-11-29 22:37:01,940 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256); [2020-11-29 22:37:01,941 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256); [2020-11-29 22:37:01,941 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L933: SUMMARY for call __CS_cs(); srcloc: null [2020-11-29 22:37:01,941 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: assume 0 != ~__CS_ret~0 % 256; [2020-11-29 22:37:01,941 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: assume !(0 != ~__CS_ret~0 % 256); [2020-11-29 22:37:01,941 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256; [2020-11-29 22:37:02,749 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !(0 != ~__CS_ret~0 % 256); [2020-11-29 22:37:02,749 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume 0 != ~__CS_ret~0 % 256;push_#res := 0; [2020-11-29 22:37:02,749 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(0 != ~__CS_ret~0 % 256); [2020-11-29 22:37:02,750 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-29 22:37:02,750 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !(0 != ~__CS_ret~0 % 256); [2020-11-29 22:37:02,750 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-29 22:37:02,750 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !(0 != ~__CS_ret~0 % 256); [2020-11-29 22:37:02,750 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-29 22:37:02,750 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L1005: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-29 22:37:02,751 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L1005: assume !(0 != ~__CS_ret~0 % 256);pop_#res := 0; [2020-11-29 22:37:02,751 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L989-2: SUMMARY for call __CS_cs(); srcloc: null [2020-11-29 22:37:02,751 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume 0 != ~__CS_ret~0 % 256;push_#res := 0; [2020-11-29 22:37:02,751 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !(0 != ~__CS_ret~0 % 256); [2020-11-29 22:37:13,366 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2020-11-29 22:37:13,374 INFO L168 Benchmark]: Toolchain (without parser) took 13762.84 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 98.4 MB in the beginning and 87.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:13,375 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:37:13,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1300.79 ms. Allocated memory is still 127.9 MB. Free memory was 98.0 MB in the beginning and 94.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:13,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.92 ms. Allocated memory is still 127.9 MB. Free memory was 94.9 MB in the beginning and 90.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:13,378 INFO L168 Benchmark]: Boogie Preprocessor took 116.51 ms. Allocated memory is still 127.9 MB. Free memory was 90.0 MB in the beginning and 85.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:13,379 INFO L168 Benchmark]: RCFGBuilder took 12208.86 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 85.8 MB in the beginning and 87.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:13,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1300.79 ms. Allocated memory is still 127.9 MB. Free memory was 98.0 MB in the beginning and 94.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 130.92 ms. Allocated memory is still 127.9 MB. Free memory was 94.9 MB in the beginning and 90.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 116.51 ms. Allocated memory is still 127.9 MB. Free memory was 90.0 MB in the beginning and 85.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12208.86 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 85.8 MB in the beginning and 87.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:413) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:37:16,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:37:16,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:37:16,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:37:16,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:37:16,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:37:16,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:37:16,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:37:16,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:37:16,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:37:16,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:37:16,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:37:16,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:37:16,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:37:16,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:37:16,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:37:16,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:37:16,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:37:16,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:37:16,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:37:16,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:37:16,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:37:16,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:37:16,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:37:16,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:37:16,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:37:16,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:37:16,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:37:16,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:37:16,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:37:16,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:37:16,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:37:16,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:37:16,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:37:16,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:37:16,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:37:16,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:37:16,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:37:16,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:37:16,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:37:16,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:37:16,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-29 22:37:16,610 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:37:16,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:37:16,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 22:37:16,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 22:37:16,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:37:16,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:37:16,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:37:16,613 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:37:16,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:37:16,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:37:16,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:37:16,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:37:16,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:37:16,614 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 22:37:16,615 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 22:37:16,615 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 22:37:16,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:37:16,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:37:16,615 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:37:16,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:37:16,616 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 22:37:16,616 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 22:37:16,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:37:16,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:37:16,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:37:16,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:37:16,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:37:16,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:37:16,617 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 22:37:16,617 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 22:37:16,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:37:16,618 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 22:37:16,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 22:37:16,618 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_11031462-12ac-4c89-87b2-6b544fb144af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a20575e6b50ad553ca0b33bab4559affce455d76 [2020-11-29 22:37:17,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:37:17,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:37:17,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:37:17,115 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:37:17,116 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:37:17,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/../../sv-benchmarks/c/seq-pthread/cs_stack-1.i [2020-11-29 22:37:17,204 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/data/f5975f685/2e18d835ea684e45878bf0f6ed58ff31/FLAG4bd891240 [2020-11-29 22:37:17,852 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:37:17,853 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/sv-benchmarks/c/seq-pthread/cs_stack-1.i [2020-11-29 22:37:17,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/data/f5975f685/2e18d835ea684e45878bf0f6ed58ff31/FLAG4bd891240 [2020-11-29 22:37:18,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/bin/ukojak/data/f5975f685/2e18d835ea684e45878bf0f6ed58ff31 [2020-11-29 22:37:18,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:37:18,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:37:18,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:37:18,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:37:18,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:37:18,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:37:18" (1/1) ... [2020-11-29 22:37:18,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40020802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:18, skipping insertion in model container [2020-11-29 22:37:18,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:37:18" (1/1) ... [2020-11-29 22:37:18,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:37:18,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:37:18,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:37:18,876 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:37:19,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:37:19,287 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:37:19,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19 WrapperNode [2020-11-29 22:37:19,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:37:19,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:37:19,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:37:19,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:37:19,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19" (1/1) ... [2020-11-29 22:37:19,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19" (1/1) ... [2020-11-29 22:37:19,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:37:19,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:37:19,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:37:19,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:37:19,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19" (1/1) ... [2020-11-29 22:37:19,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19" (1/1) ... [2020-11-29 22:37:19,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19" (1/1) ... [2020-11-29 22:37:19,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19" (1/1) ... [2020-11-29 22:37:19,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19" (1/1) ... [2020-11-29 22:37:19,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19" (1/1) ... [2020-11-29 22:37:19,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19" (1/1) ... [2020-11-29 22:37:19,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:37:19,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:37:19,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:37:19,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:37:19,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11031462-12ac-4c89-87b2-6b544fb144af/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 [2020-11-29 22:37:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-29 22:37:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 22:37:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-29 22:37:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-29 22:37:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:37:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2020-11-29 22:37:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2020-11-29 22:37:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 22:37:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-29 22:37:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:37:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 22:37:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 22:37:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 22:37:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-29 22:37:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2020-11-29 22:37:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2020-11-29 22:37:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2020-11-29 22:37:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2020-11-29 22:37:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 22:37:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2020-11-29 22:37:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2020-11-29 22:37:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2020-11-29 22:37:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2020-11-29 22:37:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-11-29 22:37:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-11-29 22:37:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-11-29 22:37:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-11-29 22:37:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2020-11-29 22:37:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2020-11-29 22:37:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:37:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:37:20,018 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-29 22:37:20,019 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);#res := 0bv32; [2020-11-29 22:37:20,065 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-29 22:37:20,065 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-29 22:37:20,065 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-29 22:37:20,065 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-29 22:37:20,065 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-29 22:37:20,065 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L933: SUMMARY for call __CS_cs(); srcloc: null [2020-11-29 22:37:20,065 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-29 22:37:20,066 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-29 22:37:20,066 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-29 22:37:20,812 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-29 22:37:20,812 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);push_#res := 0bv32; [2020-11-29 22:37:20,812 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-29 22:37:20,812 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-29 22:37:20,812 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-29 22:37:20,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-29 22:37:20,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-29 22:37:20,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-29 22:37:20,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L1005: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-29 22:37:20,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L1005: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));pop_#res := 0bv32; [2020-11-29 22:37:20,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L989-2: SUMMARY for call __CS_cs(); srcloc: null [2020-11-29 22:37:20,814 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);push_#res := 0bv32; [2020-11-29 22:37:20,814 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-29 22:37:31,809 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2020-11-29 22:37:31,814 INFO L168 Benchmark]: Toolchain (without parser) took 13700.26 ms. Allocated memory was 58.7 MB in the beginning and 96.5 MB in the end (delta: 37.7 MB). Free memory was 34.9 MB in the beginning and 38.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:31,815 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 58.7 MB. Free memory was 40.4 MB in the beginning and 40.4 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:37:31,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1175.52 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 34.6 MB in the beginning and 36.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:31,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.31 ms. Allocated memory is still 73.4 MB. Free memory was 36.5 MB in the beginning and 31.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:31,822 INFO L168 Benchmark]: Boogie Preprocessor took 113.39 ms. Allocated memory is still 73.4 MB. Free memory was 31.6 MB in the beginning and 47.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:31,824 INFO L168 Benchmark]: RCFGBuilder took 12252.36 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 47.1 MB in the beginning and 38.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:31,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 58.7 MB. Free memory was 40.4 MB in the beginning and 40.4 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1175.52 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 34.6 MB in the beginning and 36.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 154.31 ms. Allocated memory is still 73.4 MB. Free memory was 36.5 MB in the beginning and 31.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.39 ms. Allocated memory is still 73.4 MB. Free memory was 31.6 MB in the beginning and 47.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12252.36 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 47.1 MB in the beginning and 38.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:413) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...