./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn3f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c4f39de7d4cdbe0c9103e2c499bf48f3ddaeb30 .................................................................................................................................................................................................................................. 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 0.2.0-a4ecdab [2020-11-30 00:12:05,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:12:05,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:12:06,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:12:06,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:12:06,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:12:06,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:12:06,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:12:06,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:12:06,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:12:06,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:12:06,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:12:06,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:12:06,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:12:06,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:12:06,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:12:06,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:12:06,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:12:06,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:12:06,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:12:06,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:12:06,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:12:06,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:12:06,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:12:06,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:12:06,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:12:06,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:12:06,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:12:06,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:12:06,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:12:06,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:12:06,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:12:06,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:12:06,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:12:06,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:12:06,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:12:06,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:12:06,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:12:06,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:12:06,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:12:06,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:12:06,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:12:06,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:12:06,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:12:06,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:12:06,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:12:06,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:12:06,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:12:06,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:12:06,228 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:12:06,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:12:06,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:12:06,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:12:06,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:12:06,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:12:06,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:12:06,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:12:06,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:12:06,232 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:12:06,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:12:06,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:12:06,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:12:06,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:12:06,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:12:06,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:12:06,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:12:06,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:12:06,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:12:06,235 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:12:06,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:12:06,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:12:06,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c4f39de7d4cdbe0c9103e2c499bf48f3ddaeb30 [2020-11-30 00:12:06,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:12:06,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:12:06,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:12:06,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:12:06,650 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:12:06,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/../../sv-benchmarks/c/array-fpi/eqn3f.c [2020-11-30 00:12:06,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/data/1cd32ca53/c3336b1e072b4b8d9ca494d981406e74/FLAG3f041f1d8 [2020-11-30 00:12:07,333 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:12:07,334 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/sv-benchmarks/c/array-fpi/eqn3f.c [2020-11-30 00:12:07,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/data/1cd32ca53/c3336b1e072b4b8d9ca494d981406e74/FLAG3f041f1d8 [2020-11-30 00:12:07,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/data/1cd32ca53/c3336b1e072b4b8d9ca494d981406e74 [2020-11-30 00:12:07,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:12:07,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:12:07,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:12:07,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:12:07,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:12:07,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:12:07" (1/1) ... [2020-11-30 00:12:07,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403f4f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:07, skipping insertion in model container [2020-11-30 00:12:07,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:12:07" (1/1) ... [2020-11-30 00:12:07,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:12:07,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:12:07,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:12:08,011 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:12:08,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:12:08,084 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:12:08,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08 WrapperNode [2020-11-30 00:12:08,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:12:08,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:12:08,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:12:08,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:12:08,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08" (1/1) ... [2020-11-30 00:12:08,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08" (1/1) ... [2020-11-30 00:12:08,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:12:08,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:12:08,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:12:08,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:12:08,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08" (1/1) ... [2020-11-30 00:12:08,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08" (1/1) ... [2020-11-30 00:12:08,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08" (1/1) ... [2020-11-30 00:12:08,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08" (1/1) ... [2020-11-30 00:12:08,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08" (1/1) ... [2020-11-30 00:12:08,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08" (1/1) ... [2020-11-30 00:12:08,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08" (1/1) ... [2020-11-30 00:12:08,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:12:08,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:12:08,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:12:08,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:12:08,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:12:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:12:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:12:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:12:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:12:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:12:08,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:12:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:12:08,971 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:12:08,971 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-30 00:12:08,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:08 BoogieIcfgContainer [2020-11-30 00:12:08,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:12:08,974 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:12:08,975 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:12:08,991 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:12:08,992 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:08" (1/1) ... [2020-11-30 00:12:09,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:12:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-11-30 00:12:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-11-30 00:12:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 00:12:09,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:12:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:09,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:09,263 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:09,298 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-30 00:12:09,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:12:09 ImpRootNode [2020-11-30 00:12:09,335 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:12:09,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:12:09,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:12:09,336 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:12:09,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:08" (3/4) ... [2020-11-30 00:12:09,340 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:12:09,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c46bfa41-4f35-4f8f-987f-1ebaa14d4da9/bin/ukojak/witness.graphml [2020-11-30 00:12:09,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:12:09,397 INFO L168 Benchmark]: Toolchain (without parser) took 1710.12 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 63.7 MB in the beginning and 52.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:09,397 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:12:09,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.98 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 63.4 MB in the beginning and 94.8 MB in the end (delta: -31.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:09,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.86 ms. Allocated memory is still 117.4 MB. Free memory was 94.2 MB in the beginning and 92.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:09,401 INFO L168 Benchmark]: Boogie Preprocessor took 34.41 ms. Allocated memory is still 117.4 MB. Free memory was 92.7 MB in the beginning and 91.8 MB in the end (delta: 868.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:12:09,402 INFO L168 Benchmark]: RCFGBuilder took 772.60 ms. Allocated memory is still 117.4 MB. Free memory was 91.8 MB in the beginning and 69.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:09,403 INFO L168 Benchmark]: CodeCheck took 360.45 ms. Allocated memory is still 117.4 MB. Free memory was 69.0 MB in the beginning and 54.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:09,404 INFO L168 Benchmark]: Witness Printer took 58.22 ms. Allocated memory is still 117.4 MB. Free memory was 53.5 MB in the beginning and 52.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:12:09,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L31] a[0] = 6 [L32] b[0] = 10 [L34] i=1 VAL [N=1] [L34] COND FALSE !(i