./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d5156303ae8e6f56e2b0966ff8f578a2264e0b7 ...................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:13:30,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:30,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:30,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:30,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:30,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:30,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:30,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:30,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:30,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:30,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:30,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:30,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:30,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:30,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:30,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:30,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:30,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:30,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:30,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:30,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:30,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:30,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:30,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:30,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:30,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:30,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:30,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:30,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:30,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:30,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:30,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:30,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:30,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:30,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:30,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:30,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:30,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:30,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:30,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:30,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:30,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:13:30,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:30,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:30,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:30,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:30,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:30,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:30,183 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:13:30,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:30,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:30,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:30,184 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:13:30,184 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:13:30,184 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:13:30,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:30,185 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:30,185 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:30,185 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:30,186 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:30,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:30,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:30,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:30,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:30,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:30,187 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:30,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:30,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 9d5156303ae8e6f56e2b0966ff8f578a2264e0b7 [2019-10-22 10:13:30,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:30,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:30,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:30,235 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:30,236 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:30,236 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/../../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2019-10-22 10:13:30,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/data/6d25a653f/36515214e3c24423b0752872f5a76696/FLAGca660a4bd [2019-10-22 10:13:30,765 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:30,765 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2019-10-22 10:13:30,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/data/6d25a653f/36515214e3c24423b0752872f5a76696/FLAGca660a4bd [2019-10-22 10:13:31,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/data/6d25a653f/36515214e3c24423b0752872f5a76696 [2019-10-22 10:13:31,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:31,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:31,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:31,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:31,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:31,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31, skipping insertion in model container [2019-10-22 10:13:31,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,280 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:31,320 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:31,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:31,681 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:31,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:31,812 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:31,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31 WrapperNode [2019-10-22 10:13:31,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:31,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:31,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:31,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:31,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:31,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:31,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:31,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:31,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:31,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:31,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:31,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:31,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:13:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:13:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 10:13:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:13:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:32,413 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:32,414 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 10:13:32,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:32 BoogieIcfgContainer [2019-10-22 10:13:32,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:32,415 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:32,415 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:32,427 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:32,429 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:32" (1/1) ... [2019-10-22 10:13:32,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:13:32,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 58 states and 64 transitions. [2019-10-22 10:13:32,476 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2019-10-22 10:13:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:13:32,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2019-10-22 10:13:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2019-10-22 10:13:32,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:13:32,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 62 states and 73 transitions. [2019-10-22 10:13:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2019-10-22 10:13:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:13:32,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2019-10-22 10:13:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2019-10-22 10:13:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:13:33,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2019-10-22 10:13:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2019-10-22 10:13:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:13:34,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2019-10-22 10:13:34,058 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2019-10-22 10:13:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:13:34,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:34,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2019-10-22 10:13:34,222 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2019-10-22 10:13:34,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:13:34,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2019-10-22 10:13:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2019-10-22 10:13:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:13:34,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 109 transitions. [2019-10-22 10:13:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2019-10-22 10:13:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:13:34,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:35,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2019-10-22 10:13:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-10-22 10:13:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:13:35,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:35,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 80 states and 118 transitions. [2019-10-22 10:13:35,868 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2019-10-22 10:13:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:13:35,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:37,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2019-10-22 10:13:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2019-10-22 10:13:37,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:13:37,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:37,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 87 states and 133 transitions. [2019-10-22 10:13:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions. [2019-10-22 10:13:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:13:37,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2019-10-22 10:13:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2019-10-22 10:13:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:13:38,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:39,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 92 states and 144 transitions. [2019-10-22 10:13:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2019-10-22 10:13:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:13:39,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:39,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:40,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2019-10-22 10:13:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2019-10-22 10:13:40,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:13:40,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:41,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 101 states and 162 transitions. [2019-10-22 10:13:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2019-10-22 10:13:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:13:41,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:42,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:42,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 105 states and 185 transitions. [2019-10-22 10:13:42,662 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 185 transitions. [2019-10-22 10:13:42,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:13:42,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 112 states and 200 transitions. [2019-10-22 10:13:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 200 transitions. [2019-10-22 10:13:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:13:44,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 113 states and 200 transitions. [2019-10-22 10:13:45,406 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 200 transitions. [2019-10-22 10:13:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:13:45,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 121 states and 216 transitions. [2019-10-22 10:13:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2019-10-22 10:13:48,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:13:48,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 120 states and 215 transitions. [2019-10-22 10:13:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 215 transitions. [2019-10-22 10:13:48,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:13:48,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:49,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:49,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 99 states and 157 transitions. [2019-10-22 10:13:49,427 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2019-10-22 10:13:49,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:13:49,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:13:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 98 states and 156 transitions. [2019-10-22 10:13:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 156 transitions. [2019-10-22 10:13:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:13:50,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:51,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 100 states and 161 transitions. [2019-10-22 10:13:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 161 transitions. [2019-10-22 10:13:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:13:51,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 109 states and 176 transitions. [2019-10-22 10:13:56,474 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 176 transitions. [2019-10-22 10:13:56,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:13:56,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:56,549 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2019-10-22 10:13:56,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:13:56 ImpRootNode [2019-10-22 10:13:56,577 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:13:56,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:13:56,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:13:56,578 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:13:56,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:32" (3/4) ... [2019-10-22 10:13:56,581 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:13:56,641 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0e24df18-ac74-4d76-ae2b-85030b6243b5/bin/ukojak/witness.graphml [2019-10-22 10:13:56,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:13:56,643 INFO L168 Benchmark]: Toolchain (without parser) took 25380.38 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 547.9 MB). Free memory was 945.9 MB in the beginning and 904.9 MB in the end (delta: 40.9 MB). Peak memory consumption was 588.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:56,644 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:56,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:56,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:56,645 INFO L168 Benchmark]: Boogie Preprocessor took 40.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:56,646 INFO L168 Benchmark]: RCFGBuilder took 513.76 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: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:56,646 INFO L168 Benchmark]: CodeCheck took 24162.27 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 425.2 MB). Free memory was 1.1 GB in the beginning and 909.8 MB in the end (delta: 147.8 MB). Peak memory consumption was 573.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:56,647 INFO L168 Benchmark]: Witness Printer took 63.63 ms. Allocated memory is still 1.6 GB. Free memory was 909.8 MB in the beginning and 904.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:56,661 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 58 locations, 29 error locations. Result: UNSAFE, OverallTime: 24.0s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 89391248 SDtfs, 91739908 SDslu, 68308064 SDs, 0 SdLazy, 668767562 SolverSat, 173752410 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1908 GetRequests, 1537 SyntacticMatches, 25 SemanticMatches, 346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58908 ImplicationChecksByTransitivity, 22.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 8376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 21/33 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: 521]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L531] int *a; [L532] int N = __VERIFIER_nondet_int(); [L514] int *best, *prev, i, j, max = 0; [L515] best = (int*) malloc(sizeof(int) * N) [L516] prev = (int*) malloc(sizeof(int) * N) [L517] i = 0 [L517] COND TRUE i < N [L518] best[i] = 1 [L518] prev[i] = i [L517] i++ [L517] COND TRUE i < N [L518] best[i] = 1 [L518] prev[i] = i [L517] i++ [L517] COND FALSE !(i < N) [L519] i = 1 [L519] COND TRUE i < N [L520] j = 0 [L520] COND TRUE j < i [L521] a[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 549.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 513.76 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: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * CodeCheck took 24162.27 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 425.2 MB). Free memory was 1.1 GB in the beginning and 909.8 MB in the end (delta: 147.8 MB). Peak memory consumption was 573.0 MB. Max. memory is 11.5 GB. * Witness Printer took 63.63 ms. Allocated memory is still 1.6 GB. Free memory was 909.8 MB in the beginning and 904.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...