./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.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_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/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 bc157475d6c321934f68f6b441d83c0582720461 ................................................................................................................................................................................................................................................. 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 02:04:52,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:04:52,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:04:52,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:04:52,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:04:52,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:04:52,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:04:52,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:04:52,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:04:52,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:04:52,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:04:52,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:04:52,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:04:52,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:04:52,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:04:52,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:04:52,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:04:52,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:04:52,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:04:52,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:04:52,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:04:52,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:04:52,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:04:52,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:04:52,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:04:52,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:04:52,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:04:52,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:04:52,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:04:52,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:04:52,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:04:52,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:04:52,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:04:52,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:04:52,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:04:52,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:04:52,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:04:52,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:04:52,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:04:52,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:04:52,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:04:52,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 02:04:52,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:04:52,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:04:52,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:04:52,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:04:52,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:04:52,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:04:52,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:04:52,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:04:52,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:04:52,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:04:52,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:04:52,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:04:52,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:04:52,836 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:04:52,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:04:52,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:04:52,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:04:52,838 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:04:52,838 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:04:52,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:04:52,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:04:52,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:04:52,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:04:52,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:04:52,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:04:52,840 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:04:52,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:04:52,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:04:52,841 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_dc0e6f47-61bb-47e9-9873-8931fae8ff76/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 -> bc157475d6c321934f68f6b441d83c0582720461 [2019-11-26 02:04:52,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:04:52,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:04:52,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:04:52,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:04:52,999 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:04:52,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-11-26 02:04:53,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/data/e117f3587/cc8e5b7ef3954ca7bf6431271728cad3/FLAGe29f4705a [2019-11-26 02:04:53,472 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:04:53,473 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-11-26 02:04:53,479 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/data/e117f3587/cc8e5b7ef3954ca7bf6431271728cad3/FLAGe29f4705a [2019-11-26 02:04:53,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/data/e117f3587/cc8e5b7ef3954ca7bf6431271728cad3 [2019-11-26 02:04:53,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:04:53,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:04:53,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:04:53,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:04:53,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:04:53,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ac5180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53, skipping insertion in model container [2019-11-26 02:04:53,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:04:53,544 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:04:53,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:04:53,696 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:04:53,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:04:53,786 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:04:53,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53 WrapperNode [2019-11-26 02:04:53,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:04:53,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:04:53,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:04:53,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:04:53,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:04:53,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:04:53,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:04:53,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:04:53,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53" (1/1) ... [2019-11-26 02:04:53,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:04:53,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:04:53,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:04:53,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:04:53,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/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 02:04:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:04:53,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:04:54,239 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:04:54,239 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:04:54,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:04:54 BoogieIcfgContainer [2019-11-26 02:04:54,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:04:54,241 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:04:54,241 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:04:54,252 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:04:54,252 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:04:54" (1/1) ... [2019-11-26 02:04:54,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:04:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:54,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2019-11-26 02:04:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-11-26 02:04:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:04:54,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:54,412 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 02:04:54,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2019-11-26 02:04:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-11-26 02:04:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:04:54,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:54,491 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 02:04:54,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2019-11-26 02:04:54,525 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-26 02:04:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:04:54,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:54,558 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 02:04:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2019-11-26 02:04:54,689 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2019-11-26 02:04:54,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:04:54,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:54,774 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 02:04:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2019-11-26 02:04:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-11-26 02:04:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:04:54,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:04:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2019-11-26 02:04:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2019-11-26 02:04:55,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:04:55,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:04:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:55,234 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 02:04:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:04:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2019-11-26 02:04:55,475 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-11-26 02:04:55,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:04:55,476 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2019-11-26 02:04:55,488 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-11-26 02:04:55,547 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-26 02:04:55,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:04:55 ImpRootNode [2019-11-26 02:04:55,563 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:04:55,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:04:55,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:04:55,564 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:04:55,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:04:54" (3/4) ... [2019-11-26 02:04:55,569 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:04:55,584 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:04:55,585 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:04:55,585 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:04:55,646 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dc0e6f47-61bb-47e9-9873-8931fae8ff76/bin/ukojak/witness.graphml [2019-11-26 02:04:55,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:04:55,649 INFO L168 Benchmark]: Toolchain (without parser) took 2147.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -58.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:55,649 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:04:55,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:55,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.42 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 02:04:55,651 INFO L168 Benchmark]: Boogie Preprocessor took 17.74 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 02:04:55,651 INFO L168 Benchmark]: RCFGBuilder took 399.75 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: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:55,652 INFO L168 Benchmark]: CodeCheck took 1321.86 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: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:55,652 INFO L168 Benchmark]: Witness Printer took 82.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:04:55,659 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, 13 locations, 4 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 128 SDtfs, 232 SDslu, 0 SDs, 0 SdLazy, 1052 SolverSat, 268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 309 GetRequests, 266 SyntacticMatches, 13 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 0/6 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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: 17]: Loop Invariant Derived loop invariant: 0 <= x + 2147483648 && 0 == debug * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.42 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 17.74 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 399.75 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: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * CodeCheck took 1321.86 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: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Witness Printer took 82.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...