./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res2of.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/res2of.c -s /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fbfae688002978f573d529f096837ca8e206a82 ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 23:26:15,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 23:26:15,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 23:26:15,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 23:26:15,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 23:26:15,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 23:26:15,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 23:26:15,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 23:26:15,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 23:26:15,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 23:26:15,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 23:26:15,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 23:26:15,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 23:26:15,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 23:26:15,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 23:26:15,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 23:26:15,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 23:26:15,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 23:26:15,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 23:26:15,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 23:26:15,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 23:26:15,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 23:26:15,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 23:26:15,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 23:26:15,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 23:26:15,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 23:26:15,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 23:26:15,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 23:26:15,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 23:26:15,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 23:26:15,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 23:26:15,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 23:26:15,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 23:26:15,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 23:26:15,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 23:26:15,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 23:26:15,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 23:26:15,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 23:26:15,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 23:26:15,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 23:26:15,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 23:26:15,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 23:26:15,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 23:26:15,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 23:26:15,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 23:26:15,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 23:26:15,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 23:26:15,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 23:26:15,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 23:26:15,386 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 23:26:15,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 23:26:15,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 23:26:15,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 23:26:15,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 23:26:15,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 23:26:15,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 23:26:15,386 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 23:26:15,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 23:26:15,387 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 23:26:15,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 23:26:15,387 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 23:26:15,387 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 23:26:15,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 23:26:15,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 23:26:15,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 23:26:15,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 23:26:15,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 23:26:15,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 23:26:15,388 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 23:26:15,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 23:26:15,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 23:26:15,388 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/run_dir_18be978a-d96e-4a86-8dcc-904692003919/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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fbfae688002978f573d529f096837ca8e206a82 [2019-12-01 23:26:15,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 23:26:15,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 23:26:15,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 23:26:15,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 23:26:15,502 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 23:26:15,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/../../sv-benchmarks/c/array-fpi/res2of.c [2019-12-01 23:26:15,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/data/ce21c288f/a6a695d6c0a04bababc90eef3f93c634/FLAGa8b19b5db [2019-12-01 23:26:15,937 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 23:26:15,937 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/sv-benchmarks/c/array-fpi/res2of.c [2019-12-01 23:26:15,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/data/ce21c288f/a6a695d6c0a04bababc90eef3f93c634/FLAGa8b19b5db [2019-12-01 23:26:16,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/data/ce21c288f/a6a695d6c0a04bababc90eef3f93c634 [2019-12-01 23:26:16,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 23:26:16,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 23:26:16,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 23:26:16,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 23:26:16,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 23:26:16,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b8aa41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16, skipping insertion in model container [2019-12-01 23:26:16,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 23:26:16,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 23:26:16,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:26:16,480 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 23:26:16,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:26:16,543 INFO L208 MainTranslator]: Completed translation [2019-12-01 23:26:16,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16 WrapperNode [2019-12-01 23:26:16,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 23:26:16,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 23:26:16,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 23:26:16,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 23:26:16,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 23:26:16,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 23:26:16,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 23:26:16,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 23:26:16,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 23:26:16,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 23:26:16,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 23:26:16,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 23:26:16,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:26:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/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 [2019-12-01 23:26:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 23:26:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 23:26:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 23:26:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 23:26:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 23:26:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 23:26:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 23:26:16,873 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 23:26:16,873 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-01 23:26:16,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:26:16 BoogieIcfgContainer [2019-12-01 23:26:16,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 23:26:16,875 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 23:26:16,875 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 23:26:16,884 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 23:26:16,884 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:26:16" (1/1) ... [2019-12-01 23:26:16,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 23:26:16,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2019-12-01 23:26:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2019-12-01 23:26:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 23:26:16,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:26:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 21 states and 42 transitions. [2019-12-01 23:26:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 42 transitions. [2019-12-01 23:26:17,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 23:26:17,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:26:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 22 states and 45 transitions. [2019-12-01 23:26:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 45 transitions. [2019-12-01 23:26:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 23:26:17,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:26:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2019-12-01 23:26:17,389 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2019-12-01 23:26:17,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 23:26:17,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 23:26:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 24 states and 51 transitions. [2019-12-01 23:26:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 51 transitions. [2019-12-01 23:26:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 23:26:17,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 23:26:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 25 states and 54 transitions. [2019-12-01 23:26:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 54 transitions. [2019-12-01 23:26:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 23:26:17,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:26:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 26 states and 58 transitions. [2019-12-01 23:26:17,554 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 58 transitions. [2019-12-01 23:26:17,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 23:26:17,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:26:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 27 states and 61 transitions. [2019-12-01 23:26:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 61 transitions. [2019-12-01 23:26:17,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 23:26:17,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:26:17,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 28 states and 65 transitions. [2019-12-01 23:26:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 65 transitions. [2019-12-01 23:26:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 23:26:17,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:26:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 29 states and 69 transitions. [2019-12-01 23:26:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 69 transitions. [2019-12-01 23:26:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 23:26:17,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:26:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 30 states and 73 transitions. [2019-12-01 23:26:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 73 transitions. [2019-12-01 23:26:17,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 23:26:17,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:26:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 31 states and 77 transitions. [2019-12-01 23:26:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 77 transitions. [2019-12-01 23:26:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 23:26:17,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 23:26:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 23:26:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 23:26:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 23:26:17,890 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2019-12-01 23:26:17,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:26:17 ImpRootNode [2019-12-01 23:26:17,927 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 23:26:17,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 23:26:17,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 23:26:17,928 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 23:26:17,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:26:16" (3/4) ... [2019-12-01 23:26:17,930 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 23:26:17,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_18be978a-d96e-4a86-8dcc-904692003919/bin/ukojak/witness.graphml [2019-12-01 23:26:17,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 23:26:17,981 INFO L168 Benchmark]: Toolchain (without parser) took 1638.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 943.5 MB in the beginning and 887.4 MB in the end (delta: 56.1 MB). Peak memory consumption was 146.3 MB. Max. memory is 11.5 GB. [2019-12-01 23:26:17,982 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:26:17,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:26:17,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:26:17,983 INFO L168 Benchmark]: Boogie Preprocessor took 22.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:26:17,984 INFO L168 Benchmark]: RCFGBuilder took 279.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-12-01 23:26:17,985 INFO L168 Benchmark]: CodeCheck took 1052.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 892.8 MB in the end (delta: 158.4 MB). Peak memory consumption was 158.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:26:17,985 INFO L168 Benchmark]: Witness Printer took 51.97 ms. Allocated memory is still 1.1 GB. Free memory was 892.8 MB in the beginning and 887.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:26:17,989 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, 14 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.9s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4096 SDtfs, 12132 SDslu, 0 SDs, 0 SdLazy, 70638 SolverSat, 15918 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1528 GetRequests, 1463 SyntacticMatches, 45 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 4108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 30/30 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: [L14] int N; [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] int *a = malloc(sizeof(int)*N); [L25] int *b = malloc(sizeof(int)*N); [L26] int *c = malloc(sizeof(int)*N); [L28] sum[0] = 0 [L29] i=0 VAL [N=1] [L29] COND TRUE i