./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sina5f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/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 d29356a0d85cd27fbd6689e83624859b3ccceafa ................................................................................................................................................................................................................................................................................................. 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 0.1.24-6b5699a [2019-11-26 02:49:35,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:49:35,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:49:35,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:49:35,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:49:35,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:49:35,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:49:35,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:49:35,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:49:35,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:49:35,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:49:35,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:49:35,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:49:35,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:49:35,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:49:35,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:49:35,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:49:35,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:49:35,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:49:35,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:49:35,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:49:35,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:49:35,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:49:35,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:49:35,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:49:35,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:49:35,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:49:35,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:49:35,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:49:35,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:49:35,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:49:35,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:49:35,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:49:35,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:49:35,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:49:35,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:49:35,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:49:35,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:49:35,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:49:35,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:49:35,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:49:35,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:49:35,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:49:35,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:49:35,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:49:35,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:49:35,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:49:35,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:49:35,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:49:35,685 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:49:35,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:49:35,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:49:35,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:49:35,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:49:35,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:49:35,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:49:35,686 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:49:35,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:49:35,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:49:35,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:49:35,687 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:49:35,687 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:49:35,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:49:35,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:49:35,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:49:35,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:49:35,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:49:35,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:49:35,689 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:49:35,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:49:35,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:49:35,689 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_8480f792-b01c-4832-b755-17bb892d4cc7/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 -> d29356a0d85cd27fbd6689e83624859b3ccceafa [2019-11-26 02:49:35,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:49:35,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:49:35,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:49:35,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:49:35,836 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:49:35,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/../../sv-benchmarks/c/array-fpi/sina5f.c [2019-11-26 02:49:35,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/data/a9d5cae43/6e39c0b60cdd44598426855a3dbfef45/FLAG409b9739a [2019-11-26 02:49:36,282 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:49:36,283 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/sv-benchmarks/c/array-fpi/sina5f.c [2019-11-26 02:49:36,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/data/a9d5cae43/6e39c0b60cdd44598426855a3dbfef45/FLAG409b9739a [2019-11-26 02:49:36,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/data/a9d5cae43/6e39c0b60cdd44598426855a3dbfef45 [2019-11-26 02:49:36,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:49:36,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:49:36,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:49:36,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:49:36,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:49:36,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291cccf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36, skipping insertion in model container [2019-11-26 02:49:36,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:49:36,332 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:49:36,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:49:36,599 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:49:36,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:49:36,636 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:49:36,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36 WrapperNode [2019-11-26 02:49:36,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:49:36,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:49:36,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:49:36,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:49:36,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:49:36,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:49:36,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:49:36,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:49:36,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36" (1/1) ... [2019-11-26 02:49:36,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:49:36,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:49:36,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:49:36,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:49:36,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/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 [2019-11-26 02:49:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:49:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:49:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:49:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:49:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:49:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:49:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:49:37,220 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:49:37,220 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-26 02:49:37,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:49:37 BoogieIcfgContainer [2019-11-26 02:49:37,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:49:37,222 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:49:37,222 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:49:37,231 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:49:37,231 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:49:37" (1/1) ... [2019-11-26 02:49:37,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:49:37,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2019-11-26 02:49:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2019-11-26 02:49:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:49:37,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:49:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:49:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:37,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2019-11-26 02:49:37,477 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2019-11-26 02:49:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:49:37,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:49:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:49:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:37,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2019-11-26 02:49:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2019-11-26 02:49:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:49:37,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:49:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:49:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:37,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2019-11-26 02:49:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2019-11-26 02:49:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:49:37,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:49:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:49:37,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2019-11-26 02:49:37,829 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2019-11-26 02:49:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:49:37,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:49:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-26 02:49:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-11-26 02:49:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-11-26 02:49:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:49:37,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:49:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:49:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:49:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:49:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:49:38,178 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2019-11-26 02:49:38,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:49:38 ImpRootNode [2019-11-26 02:49:38,236 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:49:38,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:49:38,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:49:38,238 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:49:38,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:49:37" (3/4) ... [2019-11-26 02:49:38,241 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:49:38,304 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8480f792-b01c-4832-b755-17bb892d4cc7/bin/ukojak/witness.graphml [2019-11-26 02:49:38,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:49:38,306 INFO L168 Benchmark]: Toolchain (without parser) took 2003.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -90.6 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:38,306 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:49:38,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:38,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:49:38,308 INFO L168 Benchmark]: Boogie Preprocessor took 26.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:38,309 INFO L168 Benchmark]: RCFGBuilder took 517.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:38,309 INFO L168 Benchmark]: CodeCheck took 1014.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:38,309 INFO L168 Benchmark]: Witness Printer took 66.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:49:38,312 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: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 272 SDtfs, 104 SDslu, 0 SDs, 0 SdLazy, 454 SolverSat, 198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 510 GetRequests, 488 SyntacticMatches, 16 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1425 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 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] long long *a = malloc(sizeof(long long)*N); [L25] long long *b = malloc(sizeof(long long)*N); [L27] sum[0] = 0 [L28] i=0 VAL [N=1] [L28] COND TRUE i