./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/condmf.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_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/condmf.c -s /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/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 e84fa47d445c1764a4d529303801930082611d3b ........................................................................................................................................................................................................................................................... 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 [2020-11-28 04:43:35,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:35,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:35,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:35,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:35,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:35,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:35,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:35,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:35,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:35,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:35,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:35,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:35,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:35,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:35,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:35,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:35,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:35,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:35,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:35,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:35,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:35,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:35,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:35,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:35,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:35,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:35,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:35,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:35,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:35,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:35,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:35,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:35,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:35,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:35,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:35,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:35,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:35,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:35,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:35,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:35,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:35,335 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:35,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:35,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:35,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:35,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:35,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:35,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:35,338 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:35,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:35,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:35,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:35,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:35,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:35,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:35,341 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:35,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:35,341 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:35,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:35,342 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:35,342 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:35,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:35,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:35,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:35,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:35,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:35,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:35,343 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:35,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:35,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:35,343 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_840e7061-1db4-493a-9803-21c5d059ae9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e84fa47d445c1764a4d529303801930082611d3b [2020-11-28 04:43:35,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:35,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:35,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:35,616 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:35,619 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:35,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/../../sv-benchmarks/c/array-fpi/condmf.c [2020-11-28 04:43:35,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/data/432559880/9752ec4fa0884d7fbf8a4359d4fb41c5/FLAG31e68e846 [2020-11-28 04:43:36,087 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:36,087 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/sv-benchmarks/c/array-fpi/condmf.c [2020-11-28 04:43:36,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/data/432559880/9752ec4fa0884d7fbf8a4359d4fb41c5/FLAG31e68e846 [2020-11-28 04:43:36,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/data/432559880/9752ec4fa0884d7fbf8a4359d4fb41c5 [2020-11-28 04:43:36,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:36,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:36,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:36,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:36,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:36,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2731b74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36, skipping insertion in model container [2020-11-28 04:43:36,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:36,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:36,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:36,718 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:36,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:36,748 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:36,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36 WrapperNode [2020-11-28 04:43:36,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:36,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:36,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:36,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:36,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:36,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:36,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:36,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:36,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:36,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:36,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:36,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:36,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/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 [2020-11-28 04:43:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:43:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:43:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:43:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:43:37,392 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:37,392 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-28 04:43:37,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:37 BoogieIcfgContainer [2020-11-28 04:43:37,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:43:37,395 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:43:37,395 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:43:37,403 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:43:37,404 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:37" (1/1) ... [2020-11-28 04:43:37,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:43:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-11-28 04:43:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-11-28 04:43:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:43:37,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:37,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2020-11-28 04:43:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2020-11-28 04:43:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:43:37,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:43:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2020-11-28 04:43:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2020-11-28 04:43:37,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:43:37,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:38,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:38,085 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:38,151 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:38,176 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:38,203 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2020-11-28 04:43:38,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:43:38 ImpRootNode [2020-11-28 04:43:38,249 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:43:38,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:43:38,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:43:38,250 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:43:38,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:37" (3/4) ... [2020-11-28 04:43:38,253 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:43:38,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_840e7061-1db4-493a-9803-21c5d059ae9b/bin/ukojak/witness.graphml [2020-11-28 04:43:38,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:43:38,308 INFO L168 Benchmark]: Toolchain (without parser) took 1806.09 ms. Allocated memory is still 104.9 MB. Free memory was 77.7 MB in the beginning and 50.2 MB in the end (delta: 27.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:38,309 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory is still 38.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:38,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.04 ms. Allocated memory is still 104.9 MB. Free memory was 77.4 MB in the beginning and 82.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:38,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.14 ms. Allocated memory is still 104.9 MB. Free memory was 82.1 MB in the beginning and 80.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:38,311 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 ms. Allocated memory is still 104.9 MB. Free memory was 80.8 MB in the beginning and 79.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:38,312 INFO L168 Benchmark]: RCFGBuilder took 585.38 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 56.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:38,313 INFO L168 Benchmark]: CodeCheck took 853.95 ms. Allocated memory is still 104.9 MB. Free memory was 56.5 MB in the beginning and 52.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:38,313 INFO L168 Benchmark]: Witness Printer took 56.48 ms. Allocated memory is still 104.9 MB. Free memory was 52.3 MB in the beginning and 50.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:38,321 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: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 34 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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] int *a = malloc(sizeof(int)*N); [L30] i = 0 VAL [N=1] [L30] COND TRUE i < N [L32] a[i] = 0 [L30] i++ VAL [N=1] [L30] COND FALSE !(i < N) [L35] i = 0 VAL [N=1] [L35] COND TRUE i < N [L37] COND TRUE N%2 == 1 [L39] EXPR a[i] [L39] a[i] = a[i] + 2 [L35] i++ VAL [N=1] [L35] COND FALSE !(i < N) [L47] i = 0 VAL [N=1] [L47] COND TRUE i < N [L49] a[i] [L15] COND TRUE !(cond) VAL [N=1] [L10] __assert_fail("0", "condmf.c", 10, "reach_error") VAL [N=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory is still 38.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 246.04 ms. Allocated memory is still 104.9 MB. Free memory was 77.4 MB in the beginning and 82.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.14 ms. Allocated memory is still 104.9 MB. Free memory was 82.1 MB in the beginning and 80.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.76 ms. Allocated memory is still 104.9 MB. Free memory was 80.8 MB in the beginning and 79.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 585.38 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 56.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 853.95 ms. Allocated memory is still 104.9 MB. Free memory was 56.5 MB in the beginning and 52.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 56.48 ms. Allocated memory is still 104.9 MB. Free memory was 52.3 MB in the beginning and 50.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...