./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ebb74e337af9534aacfcb2a7a413bdbed21e04b2 ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:13:05,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:05,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:05,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:05,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:05,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:05,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:05,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:05,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:05,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:05,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:05,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:05,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:05,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:05,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:05,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:05,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:05,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:05,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:05,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:05,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:05,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:05,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:05,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:05,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:05,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:05,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:05,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:05,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:05,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:05,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:05,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:05,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:05,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:05,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:05,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:05,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:05,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:05,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:05,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:05,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:05,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-10-22 10:13:05,940 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:05,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:05,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:13:05,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:13:05,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:05,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:05,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:05,942 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:13:05,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:05,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:05,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:13:05,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:05,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:13:05,943 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 10:13:05,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:13:05,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:05,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:13:05,944 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:05,944 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:05,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:05,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:05,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:05,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:05,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:05,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:13:05,946 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:05,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:05,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:13:05,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebb74e337af9534aacfcb2a7a413bdbed21e04b2 [2019-10-22 10:13:05,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:05,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:05,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:06,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:06,000 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:06,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2019-10-22 10:13:06,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/data/64017af81/455441a0c5864beeaa06299d1d196d85/FLAG317f39bf1 [2019-10-22 10:13:06,432 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:06,433 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2019-10-22 10:13:06,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/data/64017af81/455441a0c5864beeaa06299d1d196d85/FLAG317f39bf1 [2019-10-22 10:13:06,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/data/64017af81/455441a0c5864beeaa06299d1d196d85 [2019-10-22 10:13:06,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:06,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:06,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:06,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:06,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:06,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:06" (1/1) ... [2019-10-22 10:13:06,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e322a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:06, skipping insertion in model container [2019-10-22 10:13:06,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:06" (1/1) ... [2019-10-22 10:13:06,847 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:06,866 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:06,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:06,999 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:07,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:07,086 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:07,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07 WrapperNode [2019-10-22 10:13:07,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:07,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:07,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:07,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:07,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07" (1/1) ... [2019-10-22 10:13:07,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07" (1/1) ... [2019-10-22 10:13:07,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:07,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:07,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:07,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:07,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07" (1/1) ... [2019-10-22 10:13:07,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07" (1/1) ... [2019-10-22 10:13:07,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07" (1/1) ... [2019-10-22 10:13:07,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07" (1/1) ... [2019-10-22 10:13:07,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07" (1/1) ... [2019-10-22 10:13:07,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07" (1/1) ... [2019-10-22 10:13:07,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07" (1/1) ... [2019-10-22 10:13:07,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:07,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:07,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:07,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:07,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:07,350 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:07,350 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 10:13:07,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:07 BoogieIcfgContainer [2019-10-22 10:13:07,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:07,352 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:07,352 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:07,362 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:07,362 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:07" (1/1) ... [2019-10-22 10:13:07,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:13:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2019-10-22 10:13:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-10-22 10:13:07,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:13:07,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2019-10-22 10:13:07,614 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2019-10-22 10:13:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:13:07,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:07,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:07,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2019-10-22 10:13:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2019-10-22 10:13:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:13:07,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2019-10-22 10:13:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2019-10-22 10:13:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:13:07,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:08,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2019-10-22 10:13:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2019-10-22 10:13:08,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:13:08,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:08,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2019-10-22 10:13:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2019-10-22 10:13:08,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:13:08,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2019-10-22 10:13:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2019-10-22 10:13:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:13:08,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:08,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2019-10-22 10:13:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2019-10-22 10:13:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:13:08,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:08,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:08,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2019-10-22 10:13:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2019-10-22 10:13:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:13:08,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:08,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:09,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:09,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2019-10-22 10:13:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2019-10-22 10:13:09,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:13:09,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2019-10-22 10:13:09,742 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2019-10-22 10:13:09,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:13:09,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:10,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2019-10-22 10:13:10,207 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2019-10-22 10:13:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:13:10,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2019-10-22 10:13:10,605 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2019-10-22 10:13:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:13:10,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:10,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2019-10-22 10:13:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-10-22 10:13:10,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:13:10,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:10,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2019-10-22 10:13:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2019-10-22 10:13:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:13:11,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2019-10-22 10:13:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-10-22 10:13:11,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:13:11,647 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2019-10-22 10:13:11,656 INFO L771 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2019-10-22 10:13:11,722 INFO L575 CodeCheckObserver]: Invariant with dag size 20 [2019-10-22 10:13:11,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:13:11 ImpRootNode [2019-10-22 10:13:11,734 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:13:11,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:13:11,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:13:11,734 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:13:11,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:07" (3/4) ... [2019-10-22 10:13:11,740 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:13:11,750 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 10:13:11,751 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 10:13:11,751 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:13:11,801 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3748cbbf-4fbc-43fb-9a4d-eb0c5e870fef/bin/ukojak/witness.graphml [2019-10-22 10:13:11,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:13:11,803 INFO L168 Benchmark]: Toolchain (without parser) took 4972.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 945.7 MB in the beginning and 753.2 MB in the end (delta: 192.6 MB). Peak memory consumption was 368.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:11,803 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:11,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:11,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.13 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:11,805 INFO L168 Benchmark]: Boogie Preprocessor took 18.08 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:11,805 INFO L168 Benchmark]: RCFGBuilder took 214.55 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:11,806 INFO L168 Benchmark]: CodeCheck took 4381.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 761.1 MB in the end (delta: 306.6 MB). Peak memory consumption was 386.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:11,806 INFO L168 Benchmark]: Witness Printer took 67.44 ms. Allocated memory is still 1.2 GB. Free memory was 761.1 MB in the beginning and 753.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:11,816 INFO L335 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, 20 locations, 8 error locations. Result: SAFE, OverallTime: 4.2s, OverallIterations: 16, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 65536 SDtfs, 109266 SDslu, 0 SDs, 0 SdLazy, 735992 SolverSat, 164326 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1193 GetRequests, 1027 SyntacticMatches, 40 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6985 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 3199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 4/22 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((y + 2147483648 < 0 && q <= y + 2147483646) || (q + y <= 2147483646 && 2147483647 < y)) || ((0 <= y + 2147483648 && y <= 2147483647) && q <= 2147483647) * 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 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.13 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.08 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 214.55 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * CodeCheck took 4381.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 761.1 MB in the end (delta: 306.6 MB). Peak memory consumption was 386.3 MB. Max. memory is 11.5 GB. * Witness Printer took 67.44 ms. Allocated memory is still 1.2 GB. Free memory was 761.1 MB in the beginning and 753.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...