./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/UnaryMinus_false-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/UnaryMinus_false-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e2f2dd66d894c0a669d7740f41350f37a23cdacc .................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:36:29,656 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:36:29,657 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:36:29,665 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:36:29,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:36:29,666 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:36:29,667 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:36:29,668 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:36:29,669 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:36:29,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:36:29,670 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:36:29,670 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:36:29,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:36:29,672 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:36:29,672 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:36:29,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:36:29,673 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:36:29,675 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:36:29,676 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:36:29,677 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:36:29,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:36:29,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:36:29,680 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:36:29,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:36:29,680 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:36:29,681 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:36:29,682 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:36:29,682 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:36:29,683 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:36:29,684 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:36:29,684 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:36:29,685 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:36:29,685 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:36:29,685 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:36:29,685 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:36:29,686 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:36:29,686 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 05:36:29,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:36:29,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:36:29,697 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:36:29,697 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:36:29,698 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:36:29,698 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:36:29,698 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:36:29,698 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:36:29,698 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:36:29,698 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:36:29,698 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:36:29,699 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:36:29,699 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:36:29,699 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:36:29,699 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:36:29,699 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:36:29,699 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:36:29,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:36:29,700 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:36:29,700 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:36:29,700 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:36:29,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:36:29,700 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:36:29,700 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:36:29,700 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:36:29,700 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:36:29,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:36:29,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:36:29,700 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2f2dd66d894c0a669d7740f41350f37a23cdacc [2018-11-10 05:36:29,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:36:29,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:36:29,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:36:29,736 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:36:29,736 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:36:29,737 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/../../sv-benchmarks/c/signedintegeroverflow-regression/UnaryMinus_false-no-overflow.c.i [2018-11-10 05:36:29,780 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/data/25d296e84/c125bbcbd137405d8d0150144c57c0eb/FLAG31db6cbf6 [2018-11-10 05:36:30,197 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:36:30,198 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/sv-benchmarks/c/signedintegeroverflow-regression/UnaryMinus_false-no-overflow.c.i [2018-11-10 05:36:30,204 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/data/25d296e84/c125bbcbd137405d8d0150144c57c0eb/FLAG31db6cbf6 [2018-11-10 05:36:30,212 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/data/25d296e84/c125bbcbd137405d8d0150144c57c0eb [2018-11-10 05:36:30,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:36:30,214 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:36:30,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:36:30,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:36:30,217 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:36:30,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:36:30" (1/1) ... [2018-11-10 05:36:30,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab27a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30, skipping insertion in model container [2018-11-10 05:36:30,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:36:30" (1/1) ... [2018-11-10 05:36:30,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:36:30,249 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:36:30,399 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:36:30,404 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:36:30,425 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:36:30,455 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:36:30,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30 WrapperNode [2018-11-10 05:36:30,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:36:30,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:36:30,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:36:30,456 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:36:30,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30" (1/1) ... [2018-11-10 05:36:30,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30" (1/1) ... [2018-11-10 05:36:30,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30" (1/1) ... [2018-11-10 05:36:30,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30" (1/1) ... [2018-11-10 05:36:30,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30" (1/1) ... [2018-11-10 05:36:30,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30" (1/1) ... [2018-11-10 05:36:30,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30" (1/1) ... [2018-11-10 05:36:30,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:36:30,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:36:30,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:36:30,531 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:36:30,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-10 05:36:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:36:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:36:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:36:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2018-11-10 05:36:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2018-11-10 05:36:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2018-11-10 05:36:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2018-11-10 05:36:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2018-11-10 05:36:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2018-11-10 05:36:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2018-11-10 05:36:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2018-11-10 05:36:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2018-11-10 05:36:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2018-11-10 05:36:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2018-11-10 05:36:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2018-11-10 05:36:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2018-11-10 05:36:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2018-11-10 05:36:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2018-11-10 05:36:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2018-11-10 05:36:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2018-11-10 05:36:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2018-11-10 05:36:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2018-11-10 05:36:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2018-11-10 05:36:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2018-11-10 05:36:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2018-11-10 05:36:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2018-11-10 05:36:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2018-11-10 05:36:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2018-11-10 05:36:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2018-11-10 05:36:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-10 05:36:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2018-11-10 05:36:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2018-11-10 05:36:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2018-11-10 05:36:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2018-11-10 05:36:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2018-11-10 05:36:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2018-11-10 05:36:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2018-11-10 05:36:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2018-11-10 05:36:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2018-11-10 05:36:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2018-11-10 05:36:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2018-11-10 05:36:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2018-11-10 05:36:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2018-11-10 05:36:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2018-11-10 05:36:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2018-11-10 05:36:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2018-11-10 05:36:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2018-11-10 05:36:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2018-11-10 05:36:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2018-11-10 05:36:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2018-11-10 05:36:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2018-11-10 05:36:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2018-11-10 05:36:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2018-11-10 05:36:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2018-11-10 05:36:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2018-11-10 05:36:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2018-11-10 05:36:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2018-11-10 05:36:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2018-11-10 05:36:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2018-11-10 05:36:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2018-11-10 05:36:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2018-11-10 05:36:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2018-11-10 05:36:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2018-11-10 05:36:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2018-11-10 05:36:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-10 05:36:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2018-11-10 05:36:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2018-11-10 05:36:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2018-11-10 05:36:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2018-11-10 05:36:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2018-11-10 05:36:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2018-11-10 05:36:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2018-11-10 05:36:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2018-11-10 05:36:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2018-11-10 05:36:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2018-11-10 05:36:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2018-11-10 05:36:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2018-11-10 05:36:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2018-11-10 05:36:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2018-11-10 05:36:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2018-11-10 05:36:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2018-11-10 05:36:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2018-11-10 05:36:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2018-11-10 05:36:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2018-11-10 05:36:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2018-11-10 05:36:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2018-11-10 05:36:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2018-11-10 05:36:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2018-11-10 05:36:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2018-11-10 05:36:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2018-11-10 05:36:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2018-11-10 05:36:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2018-11-10 05:36:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:36:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 05:36:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:36:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:36:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 05:36:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 05:36:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 05:36:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 05:36:30,800 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:36:30,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:36:30 BoogieIcfgContainer [2018-11-10 05:36:30,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:36:30,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:36:30,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:36:30,803 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:36:30,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:36:30" (1/3) ... [2018-11-10 05:36:30,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679be844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:36:30, skipping insertion in model container [2018-11-10 05:36:30,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:30" (2/3) ... [2018-11-10 05:36:30,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679be844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:36:30, skipping insertion in model container [2018-11-10 05:36:30,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:36:30" (3/3) ... [2018-11-10 05:36:30,806 INFO L112 eAbstractionObserver]: Analyzing ICFG UnaryMinus_false-no-overflow.c.i [2018-11-10 05:36:30,814 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:36:30,820 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-10 05:36:30,831 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-10 05:36:30,854 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:36:30,855 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:36:30,855 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:36:30,855 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:36:30,855 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:36:30,855 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:36:30,855 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:36:30,855 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:36:30,855 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:36:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-11-10 05:36:30,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 05:36:30,874 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:36:30,874 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:36:30,876 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:36:30,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:36:30,881 INFO L82 PathProgramCache]: Analyzing trace with hash 89618868, now seen corresponding path program 1 times [2018-11-10 05:36:30,882 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:36:30,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:36:30,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:36:30,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:36:30,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:36:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:36:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:36:30,971 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:36:30,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:36:30 BoogieIcfgContainer [2018-11-10 05:36:30,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:36:30,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:36:30,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:36:30,987 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:36:30,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:36:30" (3/4) ... [2018-11-10 05:36:30,989 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 05:36:31,012 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4ed2f438-4bef-4e3e-8722-ca4f16d3fc53/bin-2019/uautomizer/witness.graphml [2018-11-10 05:36:31,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:36:31,013 INFO L168 Benchmark]: Toolchain (without parser) took 799.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:31,014 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:36:31,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.69 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 938.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:31,015 INFO L168 Benchmark]: Boogie Preprocessor took 75.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 938.7 MB in the beginning and 1.2 GB in the end (delta: -241.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:31,015 INFO L168 Benchmark]: RCFGBuilder took 269.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:31,016 INFO L168 Benchmark]: TraceAbstraction took 185.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:31,016 INFO L168 Benchmark]: Witness Printer took 25.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:36:31,019 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.69 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 938.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 938.7 MB in the beginning and 1.2 GB in the end (delta: -241.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 269.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 185.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 25.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L334] FCALL "%d\n" VAL ["%d\n"={105:0}, \old("%d\n")=102, \old("%d\n")=103] [L332] int minInt = -2147483647 - 1; VAL ["%d\n"={105:0}, minInt=-2147483648] [L333] -minInt VAL ["%d\n"={105:0}, minInt=-2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 4 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...