./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/modulus-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb583f0a2d9b17287e90d2d3ca4585c6ac92a616 .................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:20,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:20,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:20,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:20,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:20,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:20,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:20,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:20,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:20,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:20,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:20,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:20,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:20,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:20,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:20,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:20,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:20,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:20,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:20,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:20,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:20,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:20,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:20,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:20,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:20,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:20,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:20,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:20,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:20,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:20,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:20,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:20,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:20,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:20,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:20,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:20,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:20,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:20,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:20,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:20,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:20,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-28 04:42:20,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:20,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:20,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:20,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:20,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:20,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:20,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:20,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:20,954 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:42:20,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:20,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:20,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:20,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:20,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:20,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:20,956 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:42:20,956 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:20,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:20,957 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:20,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:20,957 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:20,958 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:20,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:20,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:20,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:20,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:20,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:20,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:20,959 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:20,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:20,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:20,960 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_2c8272f5-5ec1-498e-8b79-12312baaa296/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb583f0a2d9b17287e90d2d3ca4585c6ac92a616 [2020-11-28 04:42:21,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:21,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:21,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:21,240 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:21,241 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:21,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/../../sv-benchmarks/c/bitvector/modulus-1.i [2020-11-28 04:42:21,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/data/b8e46c770/a122f6ada7094fd6864c2cb8fc5d3e69/FLAG9ea97603f [2020-11-28 04:42:21,740 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:21,741 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/sv-benchmarks/c/bitvector/modulus-1.i [2020-11-28 04:42:21,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/data/b8e46c770/a122f6ada7094fd6864c2cb8fc5d3e69/FLAG9ea97603f [2020-11-28 04:42:22,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/bin/ukojak/data/b8e46c770/a122f6ada7094fd6864c2cb8fc5d3e69 [2020-11-28 04:42:22,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:22,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:22,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:22,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:22,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:22,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476c7503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22, skipping insertion in model container [2020-11-28 04:42:22,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:22,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:22,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:22,443 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:22,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:22,474 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:22,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22 WrapperNode [2020-11-28 04:42:22,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:22,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:22,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:22,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:22,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:22,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:22,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:22,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:22,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:22,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:22,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:22,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:22,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c8272f5-5ec1-498e-8b79-12312baaa296/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 [2020-11-28 04:42:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:42:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:42:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:23,079 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:23,079 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-28 04:42:23,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:23 BoogieIcfgContainer [2020-11-28 04:42:23,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:23,082 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:23,082 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:23,095 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:23,095 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:23" (1/1) ... [2020-11-28 04:42:23,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2020-11-28 04:42:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-11-28 04:42:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-28 04:42:23,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:23,276 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:23,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:23,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:23,351 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:23,361 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-28 04:42:23,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:23 ImpRootNode [2020-11-28 04:42:23,380 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:23,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:23,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:23,381 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:23,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:23" (3/4) ... [2020-11-28 04:42:23,385 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 04:42:23,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:23,387 INFO L168 Benchmark]: Toolchain (without parser) took 1231.78 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 74.1 MB in the beginning and 113.2 MB in the end (delta: -39.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:23,389 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory was 56.4 MB in the beginning and 56.3 MB in the end (delta: 52.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:23,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.00 ms. Allocated memory is still 100.7 MB. Free memory was 73.9 MB in the beginning and 77.6 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:23,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.59 ms. Allocated memory is still 100.7 MB. Free memory was 77.6 MB in the beginning and 76.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:23,392 INFO L168 Benchmark]: Boogie Preprocessor took 22.62 ms. Allocated memory is still 100.7 MB. Free memory was 76.0 MB in the beginning and 74.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:23,393 INFO L168 Benchmark]: RCFGBuilder took 528.80 ms. Allocated memory is still 100.7 MB. Free memory was 74.8 MB in the beginning and 54.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:23,394 INFO L168 Benchmark]: CodeCheck took 297.86 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 54.1 MB in the beginning and 113.2 MB in the end (delta: -59.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:23,395 INFO L168 Benchmark]: Witness Printer took 4.44 ms. Allocated memory is still 142.6 MB. Free memory is still 113.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:23,400 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 43. Possible FailurePath: [L38] unsigned int n = __VERIFIER_nondet_uint(); [L39] unsigned int s = __VERIFIER_nondet_uint(); [L40] unsigned int d; [L41] unsigned int m; [L3] COND FALSE !(!cond) [L43] 1 << s * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory was 56.4 MB in the beginning and 56.3 MB in the end (delta: 52.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 310.00 ms. Allocated memory is still 100.7 MB. Free memory was 73.9 MB in the beginning and 77.6 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.59 ms. Allocated memory is still 100.7 MB. Free memory was 77.6 MB in the beginning and 76.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.62 ms. Allocated memory is still 100.7 MB. Free memory was 76.0 MB in the beginning and 74.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 528.80 ms. Allocated memory is still 100.7 MB. Free memory was 74.8 MB in the beginning and 54.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 297.86 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 54.1 MB in the beginning and 113.2 MB in the end (delta: -59.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.44 ms. Allocated memory is still 142.6 MB. Free memory is still 113.2 MB. There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...