./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/nsqmf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/nsqmf.c -s /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/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 84af1a44340d97934a061498051a9028cf73e371 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 17:32:52,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:32:52,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:32:52,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:32:52,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:32:52,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:32:52,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:32:52,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:32:52,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:32:52,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:32:52,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:32:52,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:32:52,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:32:52,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:32:52,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:32:52,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:32:52,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:32:52,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:32:52,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:32:52,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:32:52,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:32:52,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:32:52,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:32:52,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:32:52,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:32:52,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:32:52,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:32:52,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:32:52,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:32:52,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:32:52,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:32:52,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:32:52,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:32:52,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:32:52,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:32:52,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:32:52,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:32:52,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:32:52,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:32:52,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:32:52,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:32:52,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:32:53,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:32:53,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:32:53,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:32:53,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:32:53,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:32:53,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:32:53,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:32:53,030 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:32:53,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:32:53,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:32:53,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:32:53,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:32:53,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:32:53,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:32:53,033 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:32:53,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:32:53,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:32:53,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:32:53,034 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:32:53,035 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:32:53,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:32:53,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:32:53,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:32:53,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:32:53,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:32:53,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:32:53,037 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:32:53,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:32:53,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:32:53,039 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_574c79b0-1b1a-4846-9071-272bbe7f361e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84af1a44340d97934a061498051a9028cf73e371 [2020-12-01 17:32:53,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:32:53,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:32:53,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:32:53,466 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:32:53,467 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:32:53,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/../../sv-benchmarks/c/array-fpi/nsqmf.c [2020-12-01 17:32:53,561 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/data/ff7d8034b/73f7c1e2204c4dec8470351f281dd0b1/FLAG531a03345 [2020-12-01 17:32:54,244 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:32:54,246 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/sv-benchmarks/c/array-fpi/nsqmf.c [2020-12-01 17:32:54,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/data/ff7d8034b/73f7c1e2204c4dec8470351f281dd0b1/FLAG531a03345 [2020-12-01 17:32:54,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/data/ff7d8034b/73f7c1e2204c4dec8470351f281dd0b1 [2020-12-01 17:32:54,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:32:54,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:32:54,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:32:54,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:32:54,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:32:54,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:54,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489164ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54, skipping insertion in model container [2020-12-01 17:32:54,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:54,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:32:54,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:32:54,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:32:54,891 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:32:54,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:32:54,939 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:32:54,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54 WrapperNode [2020-12-01 17:32:54,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:32:54,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:32:54,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:32:54,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:32:54,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:54,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:55,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:32:55,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:32:55,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:32:55,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:32:55,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:55,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:55,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:55,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:55,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:55,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:55,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54" (1/1) ... [2020-12-01 17:32:55,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:32:55,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:32:55,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:32:55,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:32:55,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/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 [2020-12-01 17:32:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:32:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:32:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:32:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:32:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:32:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:32:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:32:55,804 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:32:55,804 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 17:32:55,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:32:55 BoogieIcfgContainer [2020-12-01 17:32:55,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:32:55,808 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:32:55,808 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:32:55,819 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:32:55,819 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:32:55" (1/1) ... [2020-12-01 17:32:55,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:32:55,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-12-01 17:32:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-12-01 17:32:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:32:55,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:32:56,039 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:32:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:32:56,088 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:32:56,183 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-12-01 17:32:56,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:32:56 ImpRootNode [2020-12-01 17:32:56,245 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:32:56,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:32:56,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:32:56,247 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:32:56,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:32:55" (3/4) ... [2020-12-01 17:32:56,253 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:32:56,328 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_574c79b0-1b1a-4846-9071-272bbe7f361e/bin/ukojak/witness.graphml [2020-12-01 17:32:56,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:32:56,330 INFO L168 Benchmark]: Toolchain (without parser) took 1720.41 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 66.4 MB in the beginning and 91.8 MB in the end (delta: -25.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:32:56,331 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:32:56,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.35 ms. Allocated memory is still 96.5 MB. Free memory was 66.1 MB in the beginning and 72.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:56,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.65 ms. Allocated memory is still 96.5 MB. Free memory was 72.7 MB in the beginning and 71.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:56,333 INFO L168 Benchmark]: Boogie Preprocessor took 64.29 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 69.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:56,333 INFO L168 Benchmark]: RCFGBuilder took 724.32 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 47.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:56,334 INFO L168 Benchmark]: CodeCheck took 437.34 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 47.5 MB in the beginning and 94.0 MB in the end (delta: -46.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:56,335 INFO L168 Benchmark]: Witness Printer took 81.75 ms. Allocated memory is still 117.4 MB. Free memory was 94.0 MB in the beginning and 91.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:56,338 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L31] b[0] = 1 [L32] a[0] = 1 [L34] i=1 VAL [N=1] [L34] COND FALSE !(i