./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/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 3428809e66c8ffa9373e37ec3d02a46642c7f8bc ..................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 16:17:08,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:17:08,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:17:08,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:17:08,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:17:08,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:17:08,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:17:08,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:17:08,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:17:08,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:17:08,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:17:08,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:17:08,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:17:08,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:17:08,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:17:08,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:17:08,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:17:08,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:17:08,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:17:08,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:17:08,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:17:08,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:17:08,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:17:08,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:17:08,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:17:08,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:17:08,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:17:08,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:17:08,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:17:08,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:17:08,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:17:08,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:17:08,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:17:08,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:17:08,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:17:08,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:17:08,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:17:08,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:17:08,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:17:08,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:17:08,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:17:08,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 16:17:08,665 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:17:08,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:17:08,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:17:08,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:17:08,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:17:08,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:17:08,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:17:08,668 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:17:08,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:17:08,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:17:08,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:17:08,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:17:08,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:17:08,671 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 16:17:08,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:17:08,671 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:17:08,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:17:08,671 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:17:08,672 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:17:08,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:17:08,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:17:08,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:17:08,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:17:08,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:17:08,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:17:08,673 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:17:08,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:17:08,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:17:08,674 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_f9216459-47c8-410a-bcf0-1ee221719e36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3428809e66c8ffa9373e37ec3d02a46642c7f8bc [2020-12-01 16:17:08,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:17:08,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:17:09,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:17:09,002 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:17:09,003 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:17:09,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2020-12-01 16:17:09,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/data/f5dc2df05/c90540036a6a4803b03401132a067632/FLAGd52793088 [2020-12-01 16:17:09,527 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:17:09,528 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2020-12-01 16:17:09,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/data/f5dc2df05/c90540036a6a4803b03401132a067632/FLAGd52793088 [2020-12-01 16:17:09,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/data/f5dc2df05/c90540036a6a4803b03401132a067632 [2020-12-01 16:17:09,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:17:09,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:17:09,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:17:09,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:17:09,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:17:09,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:17:09" (1/1) ... [2020-12-01 16:17:09,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44123cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:09, skipping insertion in model container [2020-12-01 16:17:09,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:17:09" (1/1) ... [2020-12-01 16:17:09,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:17:09,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:17:10,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:17:10,112 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:17:10,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:17:10,184 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:17:10,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10 WrapperNode [2020-12-01 16:17:10,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:17:10,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:17:10,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:17:10,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:17:10,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:17:10,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:17:10,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:17:10,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:17:10,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:17:10,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:17:10,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:17:10,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:17:10,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/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 [2020-12-01 16:17:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:17:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:17:10,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:17:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:17:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:17:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:17:10,582 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:17:10,583 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 16:17:10,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:10 BoogieIcfgContainer [2020-12-01 16:17:10,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:17:10,586 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:17:10,587 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:17:10,598 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:17:10,598 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:17:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:10,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2020-12-01 16:17:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-12-01 16:17:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:17:10,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2020-12-01 16:17:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-12-01 16:17:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:17:10,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2020-12-01 16:17:11,026 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-12-01 16:17:11,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:17:11,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2020-12-01 16:17:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2020-12-01 16:17:11,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:17:11,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2020-12-01 16:17:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2020-12-01 16:17:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:17:11,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2020-12-01 16:17:11,757 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-12-01 16:17:11,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:17:11,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:17:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2020-12-01 16:17:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2020-12-01 16:17:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:17:11,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,919 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:12,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2020-12-01 16:17:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2020-12-01 16:17:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:17:12,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:17:12,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2020-12-01 16:17:12,137 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2020-12-01 16:17:12,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:17:12,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:12,168 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:12,191 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:12,235 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:12,245 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:12,282 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2020-12-01 16:17:12,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:17:12 ImpRootNode [2020-12-01 16:17:12,304 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:17:12,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:17:12,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:17:12,304 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:17:12,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:10" (3/4) ... [2020-12-01 16:17:12,307 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:17:12,350 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f9216459-47c8-410a-bcf0-1ee221719e36/bin/ukojak/witness.graphml [2020-12-01 16:17:12,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:17:12,357 INFO L168 Benchmark]: Toolchain (without parser) took 2406.18 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 87.1 MB in the beginning and 78.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,358 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory was 42.9 MB in the beginning and 42.8 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:17:12,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.86 ms. Allocated memory is still 113.2 MB. Free memory was 86.8 MB in the beginning and 91.9 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.78 ms. Allocated memory is still 113.2 MB. Free memory was 91.9 MB in the beginning and 90.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:17:12,367 INFO L168 Benchmark]: Boogie Preprocessor took 42.44 ms. Allocated memory is still 113.2 MB. Free memory was 90.2 MB in the beginning and 89.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,368 INFO L168 Benchmark]: RCFGBuilder took 319.16 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 74.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,369 INFO L168 Benchmark]: CodeCheck took 1717.22 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 74.1 MB in the beginning and 80.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,369 INFO L168 Benchmark]: Witness Printer took 50.30 ms. Allocated memory is still 136.3 MB. Free memory was 80.8 MB in the beginning and 78.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,377 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, 20 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 864 SDtfs, 348 SDslu, 16 SDs, 0 SdLazy, 3486 SolverSat, 1294 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 405 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 1075 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 2/14 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int a_length = __VERIFIER_nondet_int(); [L13] COND FALSE !(a_length < 1) [L16] int a[a_length]; [L17] int j = 0; [L17] COND TRUE j < a_length [L18] a[j] = __VERIFIER_nondet_int() [L17] j++ [L17] COND FALSE !(j < a_length) [L20] int offset = 1; [L21] int i = 0; [L22] COND TRUE i < a_length [L23] EXPR a[i] [L23] COND FALSE !(a[i] < 0) [L26] EXPR i + offset [L26] EXPR a[i] [L26] i + offset + a[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory was 42.9 MB in the beginning and 42.8 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 235.86 ms. Allocated memory is still 113.2 MB. Free memory was 86.8 MB in the beginning and 91.9 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.78 ms. Allocated memory is still 113.2 MB. Free memory was 91.9 MB in the beginning and 90.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.44 ms. Allocated memory is still 113.2 MB. Free memory was 90.2 MB in the beginning and 89.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 319.16 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 74.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1717.22 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 74.1 MB in the beginning and 80.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Witness Printer took 50.30 ms. Allocated memory is still 136.3 MB. Free memory was 80.8 MB in the beginning and 78.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...