./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_fib-2.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_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/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 29c62663446b2861c77906675eb69f9d253f25c5 ............................................................................................................................................................................................................ 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_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/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 29c62663446b2861c77906675eb69f9d253f25c5 ................................................................................................................................................................................................................... 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 [2020-11-30 00:19:30,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:19:30,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:19:30,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:19:30,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:19:30,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:19:30,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:19:30,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:19:30,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:19:30,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:19:30,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:19:30,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:19:30,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:19:30,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:19:30,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:19:30,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:19:30,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:19:30,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:19:30,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:19:30,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:19:30,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:19:30,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:19:30,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:19:30,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:19:30,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:19:30,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:19:30,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:19:30,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:19:30,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:19:30,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:19:30,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:19:30,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:19:30,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:19:30,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:19:30,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:19:30,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:19:30,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:19:30,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:19:30,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:19:30,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:19:30,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:19:30,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:19:30,915 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:19:30,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:19:30,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:19:30,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:19:30,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:19:30,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:19:30,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:19:30,920 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:19:30,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:19:30,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:19:30,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:19:30,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:19:30,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:19:30,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:19:30,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:19:30,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:19:30,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:19:30,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:19:30,925 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:19:30,925 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:19:30,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:19:30,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:19:30,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:19:30,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:19:30,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:19:30,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:19:30,927 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:19:30,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:19:30,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:19:30,928 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_de0404ed-e9e9-4342-af96-6b0498e57507/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29c62663446b2861c77906675eb69f9d253f25c5 [2020-11-30 00:19:31,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:19:31,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:19:31,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:19:31,321 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:19:31,324 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:19:31,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/../../sv-benchmarks/c/seq-pthread/cs_fib-2.i [2020-11-30 00:19:31,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/data/251db3d0a/da4df1c8fc7c469a87767eed00d4b8ae/FLAGef25b1c58 [2020-11-30 00:19:32,075 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:19:32,080 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/sv-benchmarks/c/seq-pthread/cs_fib-2.i [2020-11-30 00:19:32,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/data/251db3d0a/da4df1c8fc7c469a87767eed00d4b8ae/FLAGef25b1c58 [2020-11-30 00:19:32,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/data/251db3d0a/da4df1c8fc7c469a87767eed00d4b8ae [2020-11-30 00:19:32,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:19:32,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:19:32,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:32,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:19:32,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:19:32,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:32" (1/1) ... [2020-11-30 00:19:32,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52363b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:32, skipping insertion in model container [2020-11-30 00:19:32,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:32" (1/1) ... [2020-11-30 00:19:32,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:19:32,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:19:33,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:33,234 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:19:33,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:33,488 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:19:33,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33 WrapperNode [2020-11-30 00:19:33,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:33,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:33,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:19:33,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:19:33,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33" (1/1) ... [2020-11-30 00:19:33,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33" (1/1) ... [2020-11-30 00:19:33,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:33,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:19:33,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:19:33,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:19:33,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33" (1/1) ... [2020-11-30 00:19:33,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33" (1/1) ... [2020-11-30 00:19:33,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33" (1/1) ... [2020-11-30 00:19:33,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33" (1/1) ... [2020-11-30 00:19:33,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33" (1/1) ... [2020-11-30 00:19:33,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33" (1/1) ... [2020-11-30 00:19:33,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33" (1/1) ... [2020-11-30 00:19:33,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:19:33,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:19:33,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:19:33,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:19:33,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/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 [2020-11-30 00:19:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:19:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-30 00:19:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-30 00:19:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:19:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-30 00:19:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-30 00:19:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:19:33,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:19:33,907 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2020-11-30 00:19:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2020-11-30 00:19:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:19:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-11-30 00:19:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-11-30 00:19:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:19:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2020-11-30 00:19:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2020-11-30 00:19:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:19:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:19:33,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:19:34,844 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2020-11-30 00:19:34,844 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 00:19:34,844 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2020-11-30 00:19:34,845 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 00:19:34,845 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: SUMMARY for call __CS_cs(); srcloc: null [2020-11-30 00:19:34,845 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2020-11-30 00:19:34,845 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 00:19:46,617 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2020-11-30 00:19:46,628 INFO L168 Benchmark]: Toolchain (without parser) took 14294.60 ms. Allocated memory was 88.1 MB in the beginning and 167.8 MB in the end (delta: 79.7 MB). Free memory was 52.3 MB in the beginning and 88.6 MB in the end (delta: -36.3 MB). Peak memory consumption was 69.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:46,632 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory was 59.6 MB in the beginning and 59.6 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:46,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1154.96 ms. Allocated memory is still 88.1 MB. Free memory was 52.3 MB in the beginning and 38.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:46,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.77 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 38.3 MB in the beginning and 82.0 MB in the end (delta: -43.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:46,636 INFO L168 Benchmark]: Boogie Preprocessor took 125.88 ms. Allocated memory is still 107.0 MB. Free memory was 82.0 MB in the beginning and 79.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:46,638 INFO L168 Benchmark]: RCFGBuilder took 12857.21 ms. Allocated memory was 107.0 MB in the beginning and 167.8 MB in the end (delta: 60.8 MB). Free memory was 79.1 MB in the beginning and 88.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 78.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:46,643 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 88.1 MB. Free memory was 59.6 MB in the beginning and 59.6 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1154.96 ms. Allocated memory is still 88.1 MB. Free memory was 52.3 MB in the beginning and 38.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 150.77 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 38.3 MB in the beginning and 82.0 MB in the end (delta: -43.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 125.88 ms. Allocated memory is still 107.0 MB. Free memory was 82.0 MB in the beginning and 79.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12857.21 ms. Allocated memory was 107.0 MB in the beginning and 167.8 MB in the end (delta: 60.8 MB). Free memory was 79.1 MB in the beginning and 88.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 78.7 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 [2020-11-30 00:19:49,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:19:49,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:19:49,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:19:49,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:19:49,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:19:49,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:19:49,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:19:49,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:19:49,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:19:49,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:19:49,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:19:49,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:19:49,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:19:49,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:19:49,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:19:49,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:19:49,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:19:49,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:19:49,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:19:49,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:19:49,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:19:49,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:19:49,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:19:49,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:19:49,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:19:49,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:19:49,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:19:49,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:19:49,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:19:49,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:19:49,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:19:49,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:19:49,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:19:49,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:19:49,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:19:49,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:19:49,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:19:49,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:19:49,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:19:49,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:19:49,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-30 00:19:49,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:19:49,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:19:49,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:19:49,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:19:49,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:19:49,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:19:49,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:19:49,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:19:49,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:19:49,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:19:49,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:19:49,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:19:49,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:19:49,851 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:19:49,851 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:19:49,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:19:49,852 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:19:49,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:19:49,852 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:19:49,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:19:49,853 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:19:49,853 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:19:49,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:19:49,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:19:49,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:19:49,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:19:49,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:19:49,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:19:49,855 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 00:19:49,855 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:19:49,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:19:49,855 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-30 00:19:49,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:19:49,856 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_de0404ed-e9e9-4342-af96-6b0498e57507/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29c62663446b2861c77906675eb69f9d253f25c5 [2020-11-30 00:19:50,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:19:50,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:19:50,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:19:50,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:19:50,436 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:19:50,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/../../sv-benchmarks/c/seq-pthread/cs_fib-2.i [2020-11-30 00:19:50,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/data/c57bdd6ff/a1fcb3e49565433b84e8d5dff4cb9005/FLAGc32839b0b [2020-11-30 00:19:51,415 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:19:51,431 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/sv-benchmarks/c/seq-pthread/cs_fib-2.i [2020-11-30 00:19:51,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/data/c57bdd6ff/a1fcb3e49565433b84e8d5dff4cb9005/FLAGc32839b0b [2020-11-30 00:19:51,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/bin/ukojak/data/c57bdd6ff/a1fcb3e49565433b84e8d5dff4cb9005 [2020-11-30 00:19:51,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:19:51,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:19:51,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:51,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:19:51,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:19:51,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:51" (1/1) ... [2020-11-30 00:19:51,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59721bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:51, skipping insertion in model container [2020-11-30 00:19:51,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:51" (1/1) ... [2020-11-30 00:19:51,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:19:51,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:19:52,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:52,380 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:19:52,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:52,724 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:19:52,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52 WrapperNode [2020-11-30 00:19:52,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:52,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:52,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:19:52,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:19:52,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52" (1/1) ... [2020-11-30 00:19:52,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52" (1/1) ... [2020-11-30 00:19:52,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:52,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:19:52,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:19:52,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:19:52,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52" (1/1) ... [2020-11-30 00:19:52,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52" (1/1) ... [2020-11-30 00:19:52,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52" (1/1) ... [2020-11-30 00:19:52,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52" (1/1) ... [2020-11-30 00:19:52,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52" (1/1) ... [2020-11-30 00:19:52,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52" (1/1) ... [2020-11-30 00:19:52,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52" (1/1) ... [2020-11-30 00:19:52,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:19:52,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:19:52,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:19:52,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:19:52,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_de0404ed-e9e9-4342-af96-6b0498e57507/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 [2020-11-30 00:19:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-30 00:19:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:19:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-30 00:19:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-30 00:19:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-30 00:19:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-30 00:19:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:19:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:19:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2020-11-30 00:19:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2020-11-30 00:19:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:19:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-11-30 00:19:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-11-30 00:19:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-30 00:19:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:19:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:19:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:19:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-30 00:19:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2020-11-30 00:19:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2020-11-30 00:19:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:19:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:19:54,089 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res.base, main_thread_#res.offset := 0bv32, 0bv32;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2020-11-30 00:19:54,090 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 00:19:54,090 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res.base, main_thread_#res.offset := 0bv32, 0bv32;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2020-11-30 00:19:54,090 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 00:19:54,091 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: SUMMARY for call __CS_cs(); srcloc: null [2020-11-30 00:19:54,091 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res.base, main_thread_#res.offset := 0bv32, 0bv32;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2020-11-30 00:19:54,091 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 00:20:06,185 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2020-11-30 00:20:06,195 INFO L168 Benchmark]: Toolchain (without parser) took 14604.49 ms. Allocated memory was 58.7 MB in the beginning and 201.3 MB in the end (delta: 142.6 MB). Free memory was 36.2 MB in the beginning and 157.9 MB in the end (delta: -121.7 MB). Peak memory consumption was 76.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:06,196 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 58.7 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:20:06,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1134.34 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 36.1 MB in the beginning and 48.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:06,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.91 ms. Allocated memory is still 79.7 MB. Free memory was 48.3 MB in the beginning and 42.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:06,199 INFO L168 Benchmark]: Boogie Preprocessor took 120.60 ms. Allocated memory is still 79.7 MB. Free memory was 42.9 MB in the beginning and 37.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:06,200 INFO L168 Benchmark]: RCFGBuilder took 13203.17 ms. Allocated memory was 79.7 MB in the beginning and 201.3 MB in the end (delta: 121.6 MB). Free memory was 37.8 MB in the beginning and 157.9 MB in the end (delta: -120.1 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:06,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 58.7 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1134.34 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 36.1 MB in the beginning and 48.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.91 ms. Allocated memory is still 79.7 MB. Free memory was 48.3 MB in the beginning and 42.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 120.60 ms. Allocated memory is still 79.7 MB. Free memory was 42.9 MB in the beginning and 37.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13203.17 ms. Allocated memory was 79.7 MB in the beginning and 201.3 MB in the end (delta: 121.6 MB). Free memory was 37.8 MB in the beginning and 157.9 MB in the end (delta: -120.1 MB). Peak memory consumption was 58.3 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...