./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c -s /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/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 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:26:50,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:26:50,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:26:50,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:26:50,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:26:50,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:26:50,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:26:50,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:26:50,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:26:50,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:26:50,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:26:50,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:26:50,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:26:50,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:26:50,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:26:50,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:26:50,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:26:50,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:26:50,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:26:50,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:26:50,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:26:50,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:26:50,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:26:50,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:26:50,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:26:50,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:26:50,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:26:50,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:26:50,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:26:50,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:26:50,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:26:50,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:26:50,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:26:50,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:26:50,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:26:50,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:26:50,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:26:50,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:26:50,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:26:50,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:26:50,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:26:50,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 02:26:50,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:26:50,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:26:50,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:26:50,434 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:26:50,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:26:50,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:26:50,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:26:50,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:26:50,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:26:50,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:26:50,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:26:50,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:26:50,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:26:50,438 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 02:26:50,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:26:50,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:26:50,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:26:50,439 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:26:50,439 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:26:50,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:26:50,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:26:50,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:26:50,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:26:50,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:26:50,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:26:50,441 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:26:50,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:26:50,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:26:50,442 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/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/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 -> 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 [2019-11-20 02:26:50,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:26:50,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:26:50,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:26:50,641 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:26:50,642 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:26:50,643 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2019-11-20 02:26:50,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/data/b976ed439/85c5387b537c4492b00aaa0f2265546c/FLAG2a2382725 [2019-11-20 02:26:51,107 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:26:51,108 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2019-11-20 02:26:51,115 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/data/b976ed439/85c5387b537c4492b00aaa0f2265546c/FLAG2a2382725 [2019-11-20 02:26:51,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/data/b976ed439/85c5387b537c4492b00aaa0f2265546c [2019-11-20 02:26:51,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:26:51,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:26:51,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:26:51,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:26:51,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:26:51,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368a4949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51, skipping insertion in model container [2019-11-20 02:26:51,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,504 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:26:51,522 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:26:51,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:26:51,734 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:26:51,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:26:51,861 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:26:51,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51 WrapperNode [2019-11-20 02:26:51,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:26:51,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:26:51,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:26:51,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:26:51,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:26:51,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:26:51,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:26:51,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:26:51,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51" (1/1) ... [2019-11-20 02:26:51,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:26:51,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:26:51,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:26:51,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:26:51,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/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 [2019-11-20 02:26:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:26:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:26:52,187 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:26:52,188 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 02:26:52,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:52 BoogieIcfgContainer [2019-11-20 02:26:52,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:26:52,189 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:26:52,189 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:26:52,199 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:26:52,200 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:52" (1/1) ... [2019-11-20 02:26:52,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:26:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:26:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-20 02:26:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-20 02:26:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 02:26:52,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:26:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:26:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:26:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:26:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2019-11-20 02:26:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-11-20 02:26:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 02:26:52,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:26:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:26:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:26:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:26:52,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2019-11-20 02:26:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-11-20 02:26:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 02:26:52,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:26:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:26:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:26:52,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:26:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-11-20 02:26:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-11-20 02:26:52,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:26:52,885 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-11-20 02:26:52,895 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-11-20 02:26:52,930 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 02:26:52,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:26:52 ImpRootNode [2019-11-20 02:26:52,942 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:26:52,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:26:52,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:26:52,943 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:26:52,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:52" (3/4) ... [2019-11-20 02:26:52,948 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:26:52,962 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 02:26:52,962 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 02:26:52,962 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:26:53,023 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_819ac196-d487-41be-891b-7b31b8ab8703/bin/ukojak/witness.graphml [2019-11-20 02:26:53,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:26:53,026 INFO L168 Benchmark]: Toolchain (without parser) took 1545.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:26:53,027 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:26:53,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -202.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:26:53,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:26:53,030 INFO L168 Benchmark]: Boogie Preprocessor took 27.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:26:53,033 INFO L168 Benchmark]: RCFGBuilder took 255.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:26:53,033 INFO L168 Benchmark]: CodeCheck took 753.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:26:53,034 INFO L168 Benchmark]: Witness Printer took 80.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:26:53,039 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, 7 locations, 2 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 80 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -202.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 255.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * CodeCheck took 753.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 80.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...