./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/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 64bit --witnessprinter.graph.data.programhash fa16f28cdab01c0d49bf2bd46e148912a30ce280 ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:41:13,056 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:41:13,057 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:41:13,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:41:13,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:41:13,064 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:41:13,065 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:41:13,066 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:41:13,067 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:41:13,067 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:41:13,068 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:41:13,068 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:41:13,069 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:41:13,070 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:41:13,071 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:41:13,071 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:41:13,072 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:41:13,074 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:41:13,075 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:41:13,076 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:41:13,078 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:41:13,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:41:13,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:41:13,080 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:41:13,080 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:41:13,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:41:13,081 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:41:13,082 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:41:13,082 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:41:13,083 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:41:13,083 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:41:13,084 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:41:13,084 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:41:13,084 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:41:13,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:41:13,085 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:41:13,085 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 17:41:13,095 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:41:13,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:41:13,096 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:41:13,096 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:41:13,097 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:41:13,097 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:41:13,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:41:13,097 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 17:41:13,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:41:13,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:41:13,098 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:41:13,098 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:41:13,098 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:41:13,098 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 17:41:13,098 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:41:13,099 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:41:13,099 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:41:13,099 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:41:13,099 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:41:13,099 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:41:13,099 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:41:13,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:41:13,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:41:13,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:41:13,100 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:41:13,100 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:41:13,100 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:41:13,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:41:13,101 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_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa16f28cdab01c0d49bf2bd46e148912a30ce280 [2018-11-18 17:41:13,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:41:13,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:41:13,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:41:13,149 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:41:13,150 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:41:13,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 17:41:13,200 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/data/9db4988ca/4f5e1c2e7d424e2bae0b8c10f3c0ed30/FLAG66994eac3 [2018-11-18 17:41:13,576 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:41:13,577 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 17:41:13,582 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/data/9db4988ca/4f5e1c2e7d424e2bae0b8c10f3c0ed30/FLAG66994eac3 [2018-11-18 17:41:13,984 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/data/9db4988ca/4f5e1c2e7d424e2bae0b8c10f3c0ed30 [2018-11-18 17:41:13,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:41:13,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:41:13,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:41:13,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:41:13,990 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:41:13,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:41:13" (1/1) ... [2018-11-18 17:41:13,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7217af06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:13, skipping insertion in model container [2018-11-18 17:41:13,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:41:13" (1/1) ... [2018-11-18 17:41:14,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:41:14,012 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:41:14,125 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:41:14,127 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:41:14,136 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:41:14,145 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:41:14,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14 WrapperNode [2018-11-18 17:41:14,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:41:14,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:41:14,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:41:14,146 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:41:14,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14" (1/1) ... [2018-11-18 17:41:14,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14" (1/1) ... [2018-11-18 17:41:14,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:41:14,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:41:14,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:41:14,170 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:41:14,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14" (1/1) ... [2018-11-18 17:41:14,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14" (1/1) ... [2018-11-18 17:41:14,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14" (1/1) ... [2018-11-18 17:41:14,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14" (1/1) ... [2018-11-18 17:41:14,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14" (1/1) ... [2018-11-18 17:41:14,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14" (1/1) ... [2018-11-18 17:41:14,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14" (1/1) ... [2018-11-18 17:41:14,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:41:14,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:41:14,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:41:14,188 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:41:14,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:41:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/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 [2018-11-18 17:41:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:41:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:41:14,415 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:41:14,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:41:14 BoogieIcfgContainer [2018-11-18 17:41:14,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:41:14,416 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:41:14,416 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:41:14,426 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:41:14,426 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:41:14" (1/1) ... [2018-11-18 17:41:14,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:41:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:41:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-18 17:41:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-18 17:41:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 17:41:14,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:41:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:41:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:41:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-11-18 17:41:14,660 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-11-18 17:41:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 17:41:14,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:41:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:41:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:41:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-11-18 17:41:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-11-18 17:41:14,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:41:14,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:41:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:41:15,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:41:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-18 17:41:15,222 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-18 17:41:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:41:15,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:41:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:41:15,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:41:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-18 17:41:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-18 17:41:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 17:41:15,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:41:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:41:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:41:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2018-11-18 17:41:15,607 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2018-11-18 17:41:15,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 17:41:15,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:41:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:41:15,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:41:15,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-18 17:41:15,736 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-18 17:41:15,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 17:41:15,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:41:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:15,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:41:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:41:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-18 17:41:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-18 17:41:15,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 17:41:15,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:41:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:41:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:41:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:41:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-18 17:41:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-18 17:41:15,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:41:15,962 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-18 17:41:15,973 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 17:41:16,022 INFO L579 CodeCheckObserver]: Invariant with dag size 6 [2018-11-18 17:41:16,028 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:41:16,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:41:16 ImpRootNode [2018-11-18 17:41:16,029 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:41:16,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:41:16,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:41:16,030 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:41:16,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:41:14" (3/4) ... [2018-11-18 17:41:16,033 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:41:16,043 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:41:16,043 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:41:16,043 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:41:16,077 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c063a3fe-4a87-4217-a798-5850aaf9ca29/bin-2019/ukojak/witness.graphml [2018-11-18 17:41:16,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:41:16,078 INFO L168 Benchmark]: Toolchain (without parser) took 2091.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 960.7 MB in the beginning and 955.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 108.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:41:16,079 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-18 17:41:16,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.58 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:41:16,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.82 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:41:16,080 INFO L168 Benchmark]: Boogie Preprocessor took 17.62 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:41:16,081 INFO L168 Benchmark]: RCFGBuilder took 228.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:41:16,081 INFO L168 Benchmark]: CodeCheck took 1612.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 958.5 MB in the end (delta: 130.0 MB). Peak memory consumption was 130.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:41:16,082 INFO L168 Benchmark]: Witness Printer took 47.92 ms. Allocated memory is still 1.1 GB. Free memory was 958.5 MB in the beginning and 955.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:41:16,085 INFO L336 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, 17 locations, 4 error locations. SAFE Result, 1.5s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 768 SDtfs, 1956 SDslu, 1280 SDs, 0 SdLazy, 5702 SolverSat, 1390 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 533 GetRequests, 469 SyntacticMatches, 28 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 1126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 157.58 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.82 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.62 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 228.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 1612.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 958.5 MB in the end (delta: 130.0 MB). Peak memory consumption was 130.0 MB. Max. memory is 11.5 GB. * Witness Printer took 47.92 ms. Allocated memory is still 1.1 GB. Free memory was 958.5 MB in the beginning and 955.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...