./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTermination3-2.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_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/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 b10c0555613e3e1e99ee574b69e31152fe0aa7f9 ............................................................................................................................................................................................................................... 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 10:54:12,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:54:12,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:54:12,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:54:12,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:54:12,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:54:12,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:54:12,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:54:12,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:54:12,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:54:12,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:54:12,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:54:12,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:54:12,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:54:12,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:54:12,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:54:13,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:54:13,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:54:13,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:54:13,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:54:13,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:54:13,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:54:13,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:54:13,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:54:13,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:54:13,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:54:13,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:54:13,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:54:13,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:54:13,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:54:13,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:54:13,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:54:13,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:54:13,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:54:13,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:54:13,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:54:13,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:54:13,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:54:13,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:54:13,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:54:13,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:54:13,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 10:54:13,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:54:13,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:54:13,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:54:13,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:54:13,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:54:13,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:54:13,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:54:13,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:54:13,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:54:13,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:54:13,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:54:13,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:54:13,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:54:13,036 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 10:54:13,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:54:13,037 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:54:13,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:54:13,037 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:54:13,037 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:54:13,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:54:13,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:54:13,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:54:13,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:54:13,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:54:13,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:54:13,039 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:54:13,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:54:13,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:54:13,039 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_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/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 -> b10c0555613e3e1e99ee574b69e31152fe0aa7f9 [2019-11-20 10:54:13,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:54:13,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:54:13,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:54:13,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:54:13,199 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:54:13,200 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c [2019-11-20 10:54:13,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/data/8e9dacd81/da37604c6cae4bacbcab912aa351f1b8/FLAG9a4d199d3 [2019-11-20 10:54:13,657 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:54:13,658 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/sv-benchmarks/c/termination-crafted/NonTermination3-2.c [2019-11-20 10:54:13,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/data/8e9dacd81/da37604c6cae4bacbcab912aa351f1b8/FLAG9a4d199d3 [2019-11-20 10:54:13,680 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/data/8e9dacd81/da37604c6cae4bacbcab912aa351f1b8 [2019-11-20 10:54:13,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:54:13,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:54:13,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:54:13,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:54:13,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:54:13,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:54:13" (1/1) ... [2019-11-20 10:54:13,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f2b762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:13, skipping insertion in model container [2019-11-20 10:54:13,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:54:13" (1/1) ... [2019-11-20 10:54:13,702 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:54:13,719 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:54:13,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:54:13,969 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:54:13,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:54:14,004 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:54:14,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14 WrapperNode [2019-11-20 10:54:14,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:54:14,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:54:14,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:54:14,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:54:14,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14" (1/1) ... [2019-11-20 10:54:14,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14" (1/1) ... [2019-11-20 10:54:14,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:54:14,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:54:14,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:54:14,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:54:14,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14" (1/1) ... [2019-11-20 10:54:14,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14" (1/1) ... [2019-11-20 10:54:14,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14" (1/1) ... [2019-11-20 10:54:14,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14" (1/1) ... [2019-11-20 10:54:14,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14" (1/1) ... [2019-11-20 10:54:14,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14" (1/1) ... [2019-11-20 10:54:14,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14" (1/1) ... [2019-11-20 10:54:14,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:54:14,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:54:14,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:54:14,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:54:14,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/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 10:54:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:54:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:54:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:54:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:54:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:54:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:54:14,425 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:54:14,426 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 10:54:14,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:14 BoogieIcfgContainer [2019-11-20 10:54:14,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:54:14,429 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:54:14,429 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:54:14,442 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:54:14,442 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:14" (1/1) ... [2019-11-20 10:54:14,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:54:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:14,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2019-11-20 10:54:14,479 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-11-20 10:54:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 10:54:14,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:14,615 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 10:54:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-20 10:54:14,646 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-20 10:54:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 10:54:14,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:14,688 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 10:54:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-20 10:54:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-20 10:54:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 10:54:14,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:54:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2019-11-20 10:54:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2019-11-20 10:54:14,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:54:14,973 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-11-20 10:54:14,982 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-11-20 10:54:15,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:54:15,034 INFO L569 CodeCheckObserver]: Invariant with dag size 5 [2019-11-20 10:54:15,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:54:15 ImpRootNode [2019-11-20 10:54:15,042 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:54:15,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:54:15,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:54:15,043 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:54:15,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:14" (3/4) ... [2019-11-20 10:54:15,047 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:54:15,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 10:54:15,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 10:54:15,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:54:15,133 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3fb08cac-878a-4a94-ae86-3dfd0e269fe7/bin/ukojak/witness.graphml [2019-11-20 10:54:15,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:54:15,138 INFO L168 Benchmark]: Toolchain (without parser) took 1452.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 950.2 MB in the beginning and 1.0 GB in the end (delta: -95.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:15,139 INFO L168 Benchmark]: CDTParser took 0.25 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 10:54:15,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:15,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.18 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 10:54:15,141 INFO L168 Benchmark]: Boogie Preprocessor took 20.66 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 10:54:15,142 INFO L168 Benchmark]: RCFGBuilder took 370.31 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:15,142 INFO L168 Benchmark]: CodeCheck took 612.70 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:15,143 INFO L168 Benchmark]: Witness Printer took 94.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:15,150 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, 10 locations, 2 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 30 SDslu, 0 SDs, 0 SdLazy, 116 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: 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: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 <= n + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 318.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.18 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 20.66 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 370.31 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * CodeCheck took 612.70 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Witness Printer took 94.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...