./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1-modified.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1-modified.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/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 f55c3c29f65baba8ba49ec35fe2e62008dfb74b3 .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 03:00:30,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:00:30,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:00:30,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:00:30,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:00:30,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:00:30,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:00:30,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:00:30,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:00:30,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:00:30,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:00:30,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:00:30,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:00:30,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:00:30,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:00:30,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:00:30,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:00:30,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:00:30,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:00:30,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:00:30,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:00:30,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:00:30,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:00:30,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:00:30,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:00:30,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:00:30,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:00:30,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:00:30,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:00:30,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:00:30,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:00:30,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:00:30,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:00:30,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:00:30,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:00:30,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:00:30,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:00:30,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:00:30,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:00:30,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:00:30,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:00:30,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 03:00:30,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:00:30,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:00:30,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:00:30,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 03:00:30,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 03:00:30,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 03:00:30,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:00:30,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 03:00:30,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:00:30,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:00:30,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:00:30,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:00:30,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:00:30,186 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 03:00:30,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:00:30,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 03:00:30,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:00:30,187 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 03:00:30,187 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 03:00:30,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:00:30,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:00:30,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 03:00:30,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:00:30,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:00:30,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:00:30,188 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 03:00:30,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:00:30,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:00:30,189 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_5127d2b7-df80-453e-8be5-5fdd6f735f0e/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 -> f55c3c29f65baba8ba49ec35fe2e62008dfb74b3 [2019-11-26 03:00:30,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:00:30,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:00:30,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:00:30,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:00:30,350 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:00:30,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1-modified.c [2019-11-26 03:00:30,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/data/cbbbfad98/a20bd1cb23cc4ebaa3f35533f0d15354/FLAG1ee2ef783 [2019-11-26 03:00:30,832 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:00:30,834 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1-modified.c [2019-11-26 03:00:30,840 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/data/cbbbfad98/a20bd1cb23cc4ebaa3f35533f0d15354/FLAG1ee2ef783 [2019-11-26 03:00:31,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/data/cbbbfad98/a20bd1cb23cc4ebaa3f35533f0d15354 [2019-11-26 03:00:31,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:00:31,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:00:31,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:31,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:00:31,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:00:31,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a322e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31, skipping insertion in model container [2019-11-26 03:00:31,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:00:31,259 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:00:31,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:31,473 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:00:31,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:31,582 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:00:31,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31 WrapperNode [2019-11-26 03:00:31,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:31,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:31,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:00:31,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:00:31,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:31,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:00:31,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:00:31,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:00:31,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:00:31,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:00:31,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:00:31,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:00:31,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/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 [2019-11-26 03:00:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:00:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:00:31,909 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:00:31,909 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 03:00:31,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:31 BoogieIcfgContainer [2019-11-26 03:00:31,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:00:31,911 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 03:00:31,911 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 03:00:31,921 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 03:00:31,922 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:31,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-11-26 03:00:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-11-26 03:00:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 03:00:31,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:32,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:32,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2019-11-26 03:00:32,250 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2019-11-26 03:00:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 03:00:32,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:32,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:32,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2019-11-26 03:00:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-11-26 03:00:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 03:00:32,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2019-11-26 03:00:32,707 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-11-26 03:00:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 03:00:32,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:32,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2019-11-26 03:00:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-26 03:00:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 03:00:32,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2019-11-26 03:00:33,366 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2019-11-26 03:00:33,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 03:00:33,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2019-11-26 03:00:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2019-11-26 03:00:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 03:00:34,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:34,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2019-11-26 03:00:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2019-11-26 03:00:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 03:00:34,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:34,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2019-11-26 03:00:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2019-11-26 03:00:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 03:00:35,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2019-11-26 03:00:36,160 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2019-11-26 03:00:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 03:00:36,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 60 transitions. [2019-11-26 03:00:37,095 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2019-11-26 03:00:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 03:00:37,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2019-11-26 03:00:38,122 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2019-11-26 03:00:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 03:00:38,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2019-11-26 03:00:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2019-11-26 03:00:38,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 03:00:38,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:39,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 50 states and 73 transitions. [2019-11-26 03:00:39,504 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2019-11-26 03:00:39,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 03:00:39,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:40,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:40,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2019-11-26 03:00:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-11-26 03:00:40,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 03:00:40,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-26 03:00:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2019-11-26 03:00:41,457 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2019-11-26 03:00:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 03:00:41,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:00:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:41,545 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-26 03:00:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:00:42,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2019-11-26 03:00:42,351 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-11-26 03:00:42,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:00:42,352 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2019-11-26 03:00:42,360 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-11-26 03:00:42,407 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:00:42,411 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 03:00:42,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 03:00:42 ImpRootNode [2019-11-26 03:00:42,416 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 03:00:42,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:00:42,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:00:42,417 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:00:42,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:31" (3/4) ... [2019-11-26 03:00:42,419 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:00:42,427 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 03:00:42,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 03:00:42,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:00:42,466 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5127d2b7-df80-453e-8be5-5fdd6f735f0e/bin/ukojak/witness.graphml [2019-11-26 03:00:42,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:00:42,468 INFO L168 Benchmark]: Toolchain (without parser) took 11242.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:42,468 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:00:42,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -201.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:42,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.03 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. [2019-11-26 03:00:42,470 INFO L168 Benchmark]: Boogie Preprocessor took 25.51 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. [2019-11-26 03:00:42,470 INFO L168 Benchmark]: RCFGBuilder took 262.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:42,471 INFO L168 Benchmark]: CodeCheck took 10505.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.7 MB). Peak memory consumption was 117.9 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:42,472 INFO L168 Benchmark]: Witness Printer took 50.11 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:42,475 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, 14 locations, 4 error locations. Result: SAFE, OverallTime: 10.4s, OverallIterations: 17, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 372872 SDslu, 0 SDs, 0 SdLazy, 2173948 SolverSat, 486324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1823 GetRequests, 1519 SyntacticMatches, 116 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15951 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 10810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 42/159 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((0 <= y1 && y1 <= 2147483647) && y2 <= 2147483647) && 0 <= y2 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -201.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.03 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. * Boogie Preprocessor took 25.51 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. * RCFGBuilder took 262.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * CodeCheck took 10505.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.7 MB). Peak memory consumption was 117.9 MB. Max. memory is 11.5 GB. * Witness Printer took 50.11 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: 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...