./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/id_build_true-unreach-call.i.p+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build_true-unreach-call.i.p+sep-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/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 0e005ade34f94c5c325f6dba20e4a523c0e30c86 ........................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:42:57,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:42:57,116 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:42:57,124 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:42:57,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:42:57,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:42:57,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:42:57,126 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:42:57,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:42:57,128 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:42:57,128 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:42:57,129 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:42:57,129 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:42:57,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:42:57,131 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:42:57,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:42:57,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:42:57,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:42:57,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:42:57,135 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:42:57,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:42:57,137 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:42:57,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:42:57,139 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:42:57,139 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:42:57,139 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:42:57,140 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:42:57,141 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:42:57,141 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:42:57,142 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:42:57,142 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:42:57,143 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:42:57,143 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:42:57,143 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:42:57,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:42:57,144 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:42:57,144 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:42:57,155 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:42:57,155 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:42:57,156 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:42:57,156 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:42:57,156 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:42:57,156 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:42:57,156 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:42:57,157 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:42:57,157 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:42:57,157 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:42:57,157 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:42:57,157 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:42:57,157 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:42:57,158 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:42:57,158 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:42:57,158 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:42:57,158 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:42:57,158 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:42:57,158 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:42:57,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:42:57,159 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:42:57,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:42:57,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:42:57,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:42:57,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:42:57,159 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:42:57,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:42:57,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:42:57,160 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_326c81f6-8e56-47b0-a97e-1ea716baf8ea/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 -> 0e005ade34f94c5c325f6dba20e4a523c0e30c86 [2018-11-10 07:42:57,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:42:57,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:42:57,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:42:57,193 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:42:57,193 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:42:57,194 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/id_build_true-unreach-call.i.p+sep-reducer.c [2018-11-10 07:42:57,230 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/data/0ff9e705c/7332932b01d94cc3bd46e2b8b3f95cf9/FLAG436c21c18 [2018-11-10 07:42:57,666 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:42:57,667 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/sv-benchmarks/c/loop-invgen/id_build_true-unreach-call.i.p+sep-reducer.c [2018-11-10 07:42:57,676 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/data/0ff9e705c/7332932b01d94cc3bd46e2b8b3f95cf9/FLAG436c21c18 [2018-11-10 07:42:57,685 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/data/0ff9e705c/7332932b01d94cc3bd46e2b8b3f95cf9 [2018-11-10 07:42:57,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:42:57,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:42:57,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:42:57,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:42:57,691 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:42:57,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:42:57" (1/1) ... [2018-11-10 07:42:57,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd11db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:57, skipping insertion in model container [2018-11-10 07:42:57,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:42:57" (1/1) ... [2018-11-10 07:42:57,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:42:57,748 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:42:58,046 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:42:58,050 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:42:58,164 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:42:58,173 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:42:58,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58 WrapperNode [2018-11-10 07:42:58,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:42:58,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:42:58,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:42:58,175 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:42:58,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58" (1/1) ... [2018-11-10 07:42:58,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58" (1/1) ... [2018-11-10 07:42:58,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:42:58,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:42:58,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:42:58,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:42:58,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58" (1/1) ... [2018-11-10 07:42:58,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58" (1/1) ... [2018-11-10 07:42:58,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58" (1/1) ... [2018-11-10 07:42:58,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58" (1/1) ... [2018-11-10 07:42:58,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58" (1/1) ... [2018-11-10 07:42:58,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58" (1/1) ... [2018-11-10 07:42:58,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58" (1/1) ... [2018-11-10 07:42:58,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:42:58,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:42:58,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:42:58,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:42:58,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/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 [2018-11-10 07:42:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:42:58,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:42:59,326 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:42:59,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:42:59 BoogieIcfgContainer [2018-11-10 07:42:59,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:42:59,327 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:42:59,327 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:42:59,337 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:42:59,337 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:42:59" (1/1) ... [2018-11-10 07:42:59,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:42:59,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 245 states and 480 transitions. [2018-11-10 07:42:59,376 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 480 transitions. [2018-11-10 07:42:59,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 07:42:59,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 247 states and 480 transitions. [2018-11-10 07:42:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 480 transitions. [2018-11-10 07:42:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-10 07:42:59,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:00,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:43:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:43:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 250 states and 483 transitions. [2018-11-10 07:43:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 483 transitions. [2018-11-10 07:43:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 07:43:00,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:43:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:43:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:43:00,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 253 states and 488 transitions. [2018-11-10 07:43:00,540 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 488 transitions. [2018-11-10 07:43:00,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 07:43:00,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:43:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:43:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:43:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 255 states and 490 transitions. [2018-11-10 07:43:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 490 transitions. [2018-11-10 07:43:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 07:43:00,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:43:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:43:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:43:00,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 256 states and 493 transitions. [2018-11-10 07:43:00,996 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 493 transitions. [2018-11-10 07:43:00,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 07:43:00,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:43:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 07:43:01,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:43:01,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 255 states and 491 transitions. [2018-11-10 07:43:01,154 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 491 transitions. [2018-11-10 07:43:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 07:43:01,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:43:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:43:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:43:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 241 states and 473 transitions. [2018-11-10 07:43:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 473 transitions. [2018-11-10 07:43:01,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:43:01,301 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 07:43:01,309 INFO L778 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-11-10 07:43:01,584 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-11-10 07:43:01,591 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:43:01,591 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:43:01,591 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:43:01,591 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-11-10 07:43:01,592 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-11-10 07:43:01,592 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:43:01,592 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:43:01,592 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:43:01,592 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:43:01,593 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:43:01,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:43:01 ImpRootNode [2018-11-10 07:43:01,593 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:43:01,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:43:01,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:43:01,594 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:43:01,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:42:59" (3/4) ... [2018-11-10 07:43:01,598 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:43:01,616 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 07:43:01,617 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:43:01,618 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:43:01,754 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_326c81f6-8e56-47b0-a97e-1ea716baf8ea/bin-2019/ukojak/witness.graphml [2018-11-10 07:43:01,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:43:01,755 INFO L168 Benchmark]: Toolchain (without parser) took 4067.60 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 957.5 MB in the beginning and 1.3 GB in the end (delta: -300.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:01,756 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:43:01,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.67 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 913.5 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:01,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -203.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:01,757 INFO L168 Benchmark]: Boogie Preprocessor took 41.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:01,757 INFO L168 Benchmark]: RCFGBuilder took 1014.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.1 MB in the end (delta: 155.4 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:01,757 INFO L168 Benchmark]: CodeCheck took 2266.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 954.6 MB in the beginning and 1.3 GB in the end (delta: -336.3 MB). Peak memory consumption was 265.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:01,757 INFO L168 Benchmark]: Witness Printer took 160.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:01,759 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, 247 locations, 2 error locations. SAFE Result, 1.9s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25856 SDtfs, 12554 SDslu, 5376 SDs, 0 SdLazy, 20410 SolverSat, 1280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7782 GetRequests, 7614 SyntacticMatches, 122 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 954 NumberOfCodeBlocks, 954 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 947 ConstructedInterpolants, 0 QuantifiedInterpolants, 250742 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 4/6 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 - PositiveResult [Line: 2307]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1998]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 2294]: Loop Invariant Derived loop invariant: main__i < main__nlen && 0 < main__i + 1 - InvariantResult [Line: 1258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: main__i < main__nlen && 0 < main__i + 1 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: main__i < main__nlen && 0 < main__i + 1 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 485.67 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 913.5 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -203.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1014.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.1 MB in the end (delta: 155.4 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. * CodeCheck took 2266.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 954.6 MB in the beginning and 1.3 GB in the end (delta: -336.3 MB). Peak memory consumption was 265.2 MB. Max. memory is 11.5 GB. * Witness Printer took 160.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...