./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.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_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/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 df3ddc93bc6339292c9158119f1fdb949bb8842d ................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:48:12,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:48:12,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:48:12,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:48:12,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:48:12,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:48:12,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:48:12,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:48:12,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:48:12,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:48:12,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:48:12,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:48:12,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:48:12,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:48:12,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:48:12,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:48:12,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:48:12,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:48:12,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:48:12,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:48:12,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:48:12,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:48:12,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:48:12,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:48:12,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:48:12,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:48:12,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:48:12,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:48:12,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:48:12,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:48:12,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:48:12,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:48:12,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:48:12,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:48:12,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:48:12,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:48:12,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:48:12,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:48:12,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:48:12,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:48:12,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:48:12,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-19 23:48:12,682 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:48:12,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:48:12,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 23:48:12,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 23:48:12,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:48:12,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:48:12,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:48:12,685 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:48:12,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:48:12,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:48:12,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:48:12,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:48:12,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:48:12,686 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 23:48:12,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:48:12,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:48:12,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:48:12,687 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 23:48:12,687 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 23:48:12,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:48:12,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:48:12,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:48:12,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:48:12,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:48:12,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:48:12,689 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 23:48:12,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:48:12,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:48:12,690 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_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/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 -> df3ddc93bc6339292c9158119f1fdb949bb8842d [2019-11-19 23:48:12,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:48:12,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:48:12,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:48:12,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:48:12,874 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:48:12,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2019-11-19 23:48:12,947 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/data/585c66d29/9a6d2afb5e024fe98fafe89a98aa68e4/FLAGdae5be192 [2019-11-19 23:48:13,379 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:48:13,380 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2019-11-19 23:48:13,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/data/585c66d29/9a6d2afb5e024fe98fafe89a98aa68e4/FLAGdae5be192 [2019-11-19 23:48:13,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/data/585c66d29/9a6d2afb5e024fe98fafe89a98aa68e4 [2019-11-19 23:48:13,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:48:13,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:48:13,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:48:13,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:48:13,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:48:13,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:48:13" (1/1) ... [2019-11-19 23:48:13,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@833615f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:13, skipping insertion in model container [2019-11-19 23:48:13,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:48:13" (1/1) ... [2019-11-19 23:48:13,760 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:48:13,776 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:48:13,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:48:13,934 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:48:13,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:48:14,053 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:48:14,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14 WrapperNode [2019-11-19 23:48:14,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:48:14,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:48:14,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:48:14,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:48:14,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14" (1/1) ... [2019-11-19 23:48:14,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14" (1/1) ... [2019-11-19 23:48:14,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:48:14,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:48:14,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:48:14,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:48:14,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14" (1/1) ... [2019-11-19 23:48:14,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14" (1/1) ... [2019-11-19 23:48:14,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14" (1/1) ... [2019-11-19 23:48:14,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14" (1/1) ... [2019-11-19 23:48:14,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14" (1/1) ... [2019-11-19 23:48:14,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14" (1/1) ... [2019-11-19 23:48:14,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14" (1/1) ... [2019-11-19 23:48:14,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:48:14,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:48:14,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:48:14,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:48:14,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:48:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/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 [2019-11-19 23:48:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:48:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:48:14,467 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:48:14,467 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 23:48:14,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:48:14 BoogieIcfgContainer [2019-11-19 23:48:14,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:48:14,469 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 23:48:14,469 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 23:48:14,482 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 23:48:14,486 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:48:14" (1/1) ... [2019-11-19 23:48:14,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:48:14,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:48:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2019-11-19 23:48:14,558 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-11-19 23:48:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-19 23:48:14,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:48:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:48:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:48:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:48:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2019-11-19 23:48:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-19 23:48:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-19 23:48:14,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:48:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:48:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:48:14,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:48:14,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2019-11-19 23:48:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-11-19 23:48:14,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:48:14,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:48:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:48:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:48:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:48:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2019-11-19 23:48:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-11-19 23:48:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:48:15,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:48:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:48:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:48:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:48:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-19 23:48:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-19 23:48:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 23:48:15,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:48:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:48:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:48:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:48:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-11-19 23:48:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-19 23:48:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 23:48:15,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:48:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:48:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:48:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:48:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2019-11-19 23:48:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-11-19 23:48:15,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:48:15,468 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2019-11-19 23:48:15,480 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-11-19 23:48:15,535 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-19 23:48:15,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 11:48:15 ImpRootNode [2019-11-19 23:48:15,549 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 23:48:15,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:48:15,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:48:15,550 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:48:15,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:48:14" (3/4) ... [2019-11-19 23:48:15,555 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:48:15,568 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-19 23:48:15,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 23:48:15,570 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:48:15,615 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_88590a31-5a0f-4aea-8cb3-75ed0051e0dd/bin/ukojak/witness.graphml [2019-11-19 23:48:15,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:48:15,618 INFO L168 Benchmark]: Toolchain (without parser) took 1880.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -117.5 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:15,618 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. [2019-11-19 23:48:15,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:15,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.63 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. [2019-11-19 23:48:15,620 INFO L168 Benchmark]: Boogie Preprocessor took 29.38 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. [2019-11-19 23:48:15,621 INFO L168 Benchmark]: RCFGBuilder took 339.92 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:15,621 INFO L168 Benchmark]: CodeCheck took 1080.00 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: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:15,622 INFO L168 Benchmark]: Witness Printer took 65.97 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. [2019-11-19 23:48:15,625 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, 12 locations, 4 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 224 SDtfs, 306 SDslu, 0 SDs, 0 SdLazy, 1164 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 269 GetRequests, 243 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 16]: Loop Invariant Derived loop invariant: x <= 2147483647 && 0 <= x + 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 316.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.63 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 29.38 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 339.92 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1080.00 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: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. * Witness Printer took 65.97 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...