./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/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 263033368f66896d5c79f69cd87eb218f4523caf ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:41:25,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:41:25,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:41:25,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:41:25,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:41:25,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:41:25,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:41:25,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:41:25,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:41:25,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:41:25,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:41:25,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:41:25,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:41:25,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:41:25,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:41:25,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:41:25,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:41:25,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:41:25,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:41:25,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:41:25,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:41:25,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:41:25,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:41:25,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:41:25,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:41:25,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:41:25,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:41:25,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:41:25,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:41:25,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:41:25,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:41:25,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:41:25,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:41:25,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:41:25,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:41:25,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:41:25,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:41:25,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:41:25,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:41:25,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:41:25,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:41:25,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:41:25,218 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:41:25,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:41:25,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:41:25,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:41:25,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:41:25,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:41:25,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:41:25,222 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:41:25,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:41:25,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:41:25,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:41:25,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:41:25,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:41:25,224 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:41:25,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:41:25,225 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:41:25,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:41:25,225 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:41:25,225 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:41:25,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:41:25,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:41:25,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:41:25,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:41:25,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:41:25,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:41:25,227 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:41:25,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:41:25,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:41:25,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 263033368f66896d5c79f69cd87eb218f4523caf [2020-11-28 04:41:25,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:41:25,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:41:25,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:41:25,529 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:41:25,530 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:41:25,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c [2020-11-28 04:41:25,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/data/3873b7c1f/3db34bf74474418a99296b6c71cba18a/FLAG0ea403e77 [2020-11-28 04:41:26,120 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:41:26,121 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c [2020-11-28 04:41:26,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/data/3873b7c1f/3db34bf74474418a99296b6c71cba18a/FLAG0ea403e77 [2020-11-28 04:41:26,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/data/3873b7c1f/3db34bf74474418a99296b6c71cba18a [2020-11-28 04:41:26,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:41:26,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:41:26,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:26,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:41:26,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:41:26,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667004aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26, skipping insertion in model container [2020-11-28 04:41:26,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:41:26,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:41:26,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:26,699 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:41:26,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:26,728 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:41:26,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26 WrapperNode [2020-11-28 04:41:26,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:26,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:26,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:41:26,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:41:26,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:26,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:41:26,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:41:26,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:41:26,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:41:26,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:41:26,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:41:26,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:41:26,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/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 [2020-11-28 04:41:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:41:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:41:27,074 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:41:27,075 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 04:41:27,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:27 BoogieIcfgContainer [2020-11-28 04:41:27,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:41:27,078 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:41:27,078 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:41:27,093 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:41:27,094 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:27" (1/1) ... [2020-11-28 04:41:27,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:41:27,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-28 04:41:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-28 04:41:27,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:41:27,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:27,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-28 04:41:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-28 04:41:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:41:27,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:27,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2020-11-28 04:41:27,612 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-11-28 04:41:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:41:27,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2020-11-28 04:41:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-11-28 04:41:28,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:41:28,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:28,129 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:28,151 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:28,176 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:28,184 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:28,190 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-11-28 04:41:28,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:41:28 ImpRootNode [2020-11-28 04:41:28,207 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:41:28,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:41:28,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:41:28,208 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:41:28,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:27" (3/4) ... [2020-11-28 04:41:28,211 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:41:28,252 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3cbb4955-febb-438a-b7d8-4a35b2c7c8d3/bin/ukojak/witness.graphml [2020-11-28 04:41:28,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:41:28,254 INFO L168 Benchmark]: Toolchain (without parser) took 1770.42 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 63.3 MB in the beginning and 92.1 MB in the end (delta: -28.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:28,255 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory was 48.9 MB in the beginning and 48.8 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:28,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.54 ms. Allocated memory is still 94.4 MB. Free memory was 63.1 MB in the beginning and 73.6 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:28,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.19 ms. Allocated memory is still 94.4 MB. Free memory was 73.6 MB in the beginning and 72.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:28,257 INFO L168 Benchmark]: Boogie Preprocessor took 18.39 ms. Allocated memory is still 94.4 MB. Free memory was 72.5 MB in the beginning and 71.5 MB in the end (delta: 922.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:28,258 INFO L168 Benchmark]: RCFGBuilder took 296.02 ms. Allocated memory is still 94.4 MB. Free memory was 71.5 MB in the beginning and 61.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:28,259 INFO L168 Benchmark]: CodeCheck took 1128.94 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 37.6 MB in the end (delta: 23.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:28,260 INFO L168 Benchmark]: Witness Printer took 44.38 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 37.1 MB in the beginning and 92.1 MB in the end (delta: -55.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:28,264 INFO L339 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, 11 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 20 SDslu, 8 SDs, 0 SdLazy, 124 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int k, i, j, tmp; [L16] k = __VERIFIER_nondet_int() [L17] i = __VERIFIER_nondet_int() [L18] j = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j [L22] EXPR tmp + 1 [L22] j = tmp + 1 [L23] k - 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory was 48.9 MB in the beginning and 48.8 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 238.54 ms. Allocated memory is still 94.4 MB. Free memory was 63.1 MB in the beginning and 73.6 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.19 ms. Allocated memory is still 94.4 MB. Free memory was 73.6 MB in the beginning and 72.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.39 ms. Allocated memory is still 94.4 MB. Free memory was 72.5 MB in the beginning and 71.5 MB in the end (delta: 922.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 296.02 ms. Allocated memory is still 94.4 MB. Free memory was 71.5 MB in the beginning and 61.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 1128.94 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 37.6 MB in the end (delta: 23.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * Witness Printer took 44.38 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 37.1 MB in the beginning and 92.1 MB in the end (delta: -55.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...