./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d03898b2adab3b021eca92ab7fbddac81b7b0464 .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:13:08,443 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:13:08,444 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:13:08,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:13:08,451 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:13:08,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:13:08,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:13:08,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:13:08,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:13:08,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:13:08,456 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:13:08,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:13:08,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:13:08,457 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:13:08,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:13:08,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:13:08,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:13:08,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:13:08,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:13:08,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:13:08,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:13:08,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:13:08,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:13:08,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:13:08,468 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:13:08,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:13:08,469 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:13:08,470 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:13:08,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:13:08,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:13:08,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:13:08,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:13:08,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:13:08,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:13:08,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:13:08,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:13:08,473 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:13:08,484 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:13:08,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:13:08,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:13:08,485 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:13:08,485 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:13:08,485 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:13:08,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:13:08,486 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:13:08,486 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:13:08,487 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:13:08,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:13:08,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:13:08,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:13:08,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:13:08,487 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:13:08,487 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:13:08,488 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:13:08,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:13:08,488 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:13:08,488 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:13:08,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:13:08,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:13:08,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:13:08,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:13:08,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:13:08,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:13:08,489 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:13:08,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:13:08,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:13:08,489 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d03898b2adab3b021eca92ab7fbddac81b7b0464 [2018-11-18 11:13:08,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:13:08,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:13:08,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:13:08,526 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:13:08,526 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:13:08,527 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i [2018-11-18 11:13:08,569 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/data/7cdefaa43/ec5ca342b85446e580e6f052b2afbe76/FLAGef7827937 [2018-11-18 11:13:08,871 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:13:08,872 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/sv-benchmarks/c/loops/sum_array_false-unreach-call.i [2018-11-18 11:13:08,877 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/data/7cdefaa43/ec5ca342b85446e580e6f052b2afbe76/FLAGef7827937 [2018-11-18 11:13:08,886 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/data/7cdefaa43/ec5ca342b85446e580e6f052b2afbe76 [2018-11-18 11:13:08,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:13:08,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:13:08,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:13:08,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:13:08,893 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:13:08,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:13:08" (1/1) ... [2018-11-18 11:13:08,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:08, skipping insertion in model container [2018-11-18 11:13:08,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:13:08" (1/1) ... [2018-11-18 11:13:08,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:13:08,916 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:13:09,019 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:13:09,021 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:13:09,039 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:13:09,050 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:13:09,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09 WrapperNode [2018-11-18 11:13:09,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:13:09,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:13:09,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:13:09,051 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:13:09,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09" (1/1) ... [2018-11-18 11:13:09,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09" (1/1) ... [2018-11-18 11:13:09,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:13:09,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:13:09,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:13:09,080 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:13:09,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09" (1/1) ... [2018-11-18 11:13:09,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09" (1/1) ... [2018-11-18 11:13:09,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09" (1/1) ... [2018-11-18 11:13:09,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09" (1/1) ... [2018-11-18 11:13:09,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09" (1/1) ... [2018-11-18 11:13:09,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09" (1/1) ... [2018-11-18 11:13:09,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09" (1/1) ... [2018-11-18 11:13:09,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:13:09,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:13:09,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:13:09,133 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:13:09,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/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 [2018-11-18 11:13:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:13:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:13:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:13:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:13:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:13:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:13:09,377 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:13:09,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:13:09 BoogieIcfgContainer [2018-11-18 11:13:09,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:13:09,378 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:13:09,378 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:13:09,386 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:13:09,387 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:13:09" (1/1) ... [2018-11-18 11:13:09,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:09,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2018-11-18 11:13:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2018-11-18 11:13:09,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:13:09,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-18 11:13:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-18 11:13:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 11:13:09,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:09,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2018-11-18 11:13:09,674 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2018-11-18 11:13:09,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:13:09,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:10,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2018-11-18 11:13:10,018 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2018-11-18 11:13:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:13:10,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:10,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:13:10,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:10,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2018-11-18 11:13:10,150 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2018-11-18 11:13:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 11:13:10,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:13:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:13:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:13:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:13:10,314 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2018-11-18 11:13:10,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:13:10 ImpRootNode [2018-11-18 11:13:10,342 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:13:10,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:13:10,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:13:10,343 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:13:10,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:13:09" (3/4) ... [2018-11-18 11:13:10,345 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 11:13:10,392 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ffebd772-74b4-47eb-8e3a-a02954aeafb3/bin-2019/ukojak/witness.graphml [2018-11-18 11:13:10,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:13:10,393 INFO L168 Benchmark]: Toolchain (without parser) took 1504.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -77.4 MB). Peak memory consumption was 95.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:10,394 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:13:10,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.76 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:10,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.91 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:10,396 INFO L168 Benchmark]: Boogie Preprocessor took 52.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -221.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:10,397 INFO L168 Benchmark]: RCFGBuilder took 244.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:10,398 INFO L168 Benchmark]: CodeCheck took 964.42 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: 109.1 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:10,399 INFO L168 Benchmark]: Witness Printer took 49.85 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. [2018-11-18 11:13:10,403 INFO L336 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, 25 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 272 SDtfs, 184 SDslu, 168 SDs, 0 SdLazy, 258 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 399 SyntacticMatches, 14 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 5631 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] unsigned int M = __VERIFIER_nondet_uint(); [L15] FCALL int A[M], B[M], C[M]; [L16] unsigned int i; [L18] i=0 [L18] COND TRUE i