./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Piecewise_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Piecewise_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/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 36155f521cfe170e9c03fd915618e68821fe0430 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:56:19,161 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:56:19,162 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:56:19,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:56:19,170 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:56:19,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:56:19,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:56:19,171 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:56:19,172 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:56:19,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:56:19,173 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:56:19,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:56:19,173 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:56:19,174 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:56:19,174 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:56:19,175 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:56:19,175 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:56:19,176 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:56:19,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:56:19,177 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:56:19,178 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:56:19,179 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:56:19,180 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:56:19,181 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:56:19,181 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:56:19,181 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:56:19,182 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:56:19,182 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:56:19,182 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:56:19,183 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:56:19,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:56:19,183 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:56:19,183 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:56:19,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:56:19,184 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:56:19,184 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:56:19,185 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-02 03:56:19,191 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:56:19,191 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:56:19,192 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:56:19,192 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 03:56:19,192 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:56:19,193 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:56:19,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:56:19,193 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 03:56:19,193 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:56:19,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:56:19,193 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:56:19,194 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:56:19,194 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:56:19,194 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-02 03:56:19,194 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:56:19,194 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:56:19,194 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:56:19,195 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 03:56:19,195 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 03:56:19,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:56:19,195 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:56:19,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 03:56:19,195 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:56:19,195 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:56:19,196 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:56:19,196 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 03:56:19,196 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:56:19,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:56:19,196 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_6ba871b6-9e71-4309-93dd-a4e456283dd6/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 -> 36155f521cfe170e9c03fd915618e68821fe0430 [2018-12-02 03:56:19,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:56:19,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:56:19,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:56:19,228 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:56:19,228 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:56:19,228 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Piecewise_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-02 03:56:19,261 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/data/113377327/7d9f55734f82412b921eac9f9cf1e6f1/FLAGc24c6dfe5 [2018-12-02 03:56:19,628 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:56:19,628 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/sv-benchmarks/c/termination-crafted/Piecewise_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-02 03:56:19,632 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/data/113377327/7d9f55734f82412b921eac9f9cf1e6f1/FLAGc24c6dfe5 [2018-12-02 03:56:19,640 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/data/113377327/7d9f55734f82412b921eac9f9cf1e6f1 [2018-12-02 03:56:19,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:56:19,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:56:19,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:56:19,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:56:19,645 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:56:19,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3033e242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19, skipping insertion in model container [2018-12-02 03:56:19,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:56:19,660 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:56:19,742 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:56:19,745 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:56:19,754 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:56:19,761 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:56:19,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19 WrapperNode [2018-12-02 03:56:19,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:56:19,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:56:19,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:56:19,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:56:19,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:56:19,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:56:19,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:56:19,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:56:19,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:56:19,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:56:19,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:56:19,820 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:56:19,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:56:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/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 [2018-12-02 03:56:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:56:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:56:19,953 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:56:19,954 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 03:56:19,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:19 BoogieIcfgContainer [2018-12-02 03:56:19,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:56:19,955 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 03:56:19,955 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 03:56:19,962 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 03:56:19,962 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:19" (1/1) ... [2018-12-02 03:56:19,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:56:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:56:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-12-02 03:56:19,990 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-12-02 03:56:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 03:56:19,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:56:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:56:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:56:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:56:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2018-12-02 03:56:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2018-12-02 03:56:20,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 03:56:20,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:56:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:56:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:56:20,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:56:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-12-02 03:56:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-12-02 03:56:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 03:56:20,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:56:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:56:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:56:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:56:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-12-02 03:56:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-12-02 03:56:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 03:56:20,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:56:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:56:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:56:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:56:20,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-12-02 03:56:20,405 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-12-02 03:56:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 03:56:20,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:56:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:56:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:56:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:56:20,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2018-12-02 03:56:20,461 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2018-12-02 03:56:20,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 03:56:20,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:56:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:56:20,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 03:56:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:56:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-12-02 03:56:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-12-02 03:56:20,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:56:20,515 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-02 03:56:20,521 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-02 03:56:20,552 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 03:56:20,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:56:20 ImpRootNode [2018-12-02 03:56:20,558 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 03:56:20,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:56:20,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:56:20,558 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:56:20,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:56:19" (3/4) ... [2018-12-02 03:56:20,560 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:56:20,566 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 03:56:20,566 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 03:56:20,566 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 03:56:20,593 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6ba871b6-9e71-4309-93dd-a4e456283dd6/bin-2019/ukojak/witness.graphml [2018-12-02 03:56:20,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:56:20,593 INFO L168 Benchmark]: Toolchain (without parser) took 951.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 954.4 MB in the beginning and 958.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 85.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:56:20,594 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:56:20,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 119.40 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-02 03:56:20,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.29 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:56:20,595 INFO L168 Benchmark]: Boogie Preprocessor took 38.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-02 03:56:20,595 INFO L168 Benchmark]: RCFGBuilder took 134.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-02 03:56:20,596 INFO L168 Benchmark]: CodeCheck took 603.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 961.0 MB in the end (delta: 114.9 MB). Peak memory consumption was 114.9 MB. Max. memory is 11.5 GB. [2018-12-02 03:56:20,596 INFO L168 Benchmark]: Witness Printer took 34.85 ms. Allocated memory is still 1.1 GB. Free memory was 961.0 MB in the beginning and 958.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:56:20,598 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, 16 locations, 4 error locations. SAFE Result, 0.5s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 496 SDslu, 0 SDs, 0 SdLazy, 2070 SolverSat, 358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 313 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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: 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 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: 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: q <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 119.40 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.29 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 134.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * CodeCheck took 603.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 961.0 MB in the end (delta: 114.9 MB). Peak memory consumption was 114.9 MB. Max. memory is 11.5 GB. * Witness Printer took 34.85 ms. Allocated memory is still 1.1 GB. Free memory was 961.0 MB in the beginning and 958.4 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...