./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ssinaf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ssinaf.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/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 4618b75d413d783d7edda184b58fd1988f40d7dc ................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:06,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:06,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:06,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:06,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:06,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:06,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:06,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:06,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:06,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:06,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:06,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:06,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:06,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:06,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:06,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:06,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:06,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:06,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:06,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:06,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:06,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:06,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:06,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:06,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:06,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:06,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:06,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:06,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:06,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:06,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:06,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:06,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:06,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:06,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:06,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:06,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:06,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:06,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:06,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:06,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:06,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:06,886 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:06,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:06,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:06,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:06,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:06,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:06,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:06,889 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:06,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:06,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:06,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:06,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:06,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:06,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:06,890 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:06,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:06,891 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:06,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:06,891 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:06,891 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:06,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:06,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:06,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:06,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:06,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:06,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:06,893 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:06,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:06,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:06,893 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_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4618b75d413d783d7edda184b58fd1988f40d7dc [2020-11-28 04:44:07,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:07,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:07,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:07,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:07,184 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:07,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/../../sv-benchmarks/c/array-fpi/ssinaf.c [2020-11-28 04:44:07,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/data/5a221f7ca/1193ec11734142f7904af46119428dbc/FLAG0ef23779b [2020-11-28 04:44:07,694 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:07,695 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/sv-benchmarks/c/array-fpi/ssinaf.c [2020-11-28 04:44:07,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/data/5a221f7ca/1193ec11734142f7904af46119428dbc/FLAG0ef23779b [2020-11-28 04:44:08,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/data/5a221f7ca/1193ec11734142f7904af46119428dbc [2020-11-28 04:44:08,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:08,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:08,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:08,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:08,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:08,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b75d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08, skipping insertion in model container [2020-11-28 04:44:08,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:08,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:08,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:08,355 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:08,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:08,413 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:08,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08 WrapperNode [2020-11-28 04:44:08,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:08,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:08,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:08,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:08,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:08,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:08,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:08,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:08,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... [2020-11-28 04:44:08,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:08,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:08,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:08,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:08,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:44:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:44:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:44:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:44:09,274 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:09,274 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-28 04:44:09,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:09 BoogieIcfgContainer [2020-11-28 04:44:09,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:09,277 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:09,277 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:09,286 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:09,286 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:09" (1/1) ... [2020-11-28 04:44:09,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:09,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2020-11-28 04:44:09,335 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2020-11-28 04:44:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:44:09,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:09,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:09,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2020-11-28 04:44:09,611 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2020-11-28 04:44:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:44:09,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2020-11-28 04:44:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2020-11-28 04:44:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:44:09,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:09,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 04:44:09,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2020-11-28 04:44:10,041 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2020-11-28 04:44:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:44:10,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:10,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 04:44:10,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:10,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2020-11-28 04:44:10,192 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2020-11-28 04:44:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:44:10,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:10,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 04:44:10,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:10,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2020-11-28 04:44:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2020-11-28 04:44:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:44:10,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:10,398 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:10,444 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:10,483 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2020-11-28 04:44:10,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:10 ImpRootNode [2020-11-28 04:44:10,542 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:10,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:10,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:10,543 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:10,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:09" (3/4) ... [2020-11-28 04:44:10,545 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:44:10,602 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2116b65a-9c75-4e4b-83e2-fe9ec2b29555/bin/ukojak/witness.graphml [2020-11-28 04:44:10,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:10,606 INFO L168 Benchmark]: Toolchain (without parser) took 2489.39 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 63.5 MB in the beginning and 81.7 MB in the end (delta: -18.2 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:10,607 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:10,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.14 ms. Allocated memory is still 90.2 MB. Free memory was 63.3 MB in the beginning and 67.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:10,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.53 ms. Allocated memory is still 90.2 MB. Free memory was 67.9 MB in the beginning and 66.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:10,609 INFO L168 Benchmark]: Boogie Preprocessor took 57.34 ms. Allocated memory is still 90.2 MB. Free memory was 66.2 MB in the beginning and 64.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:10,610 INFO L168 Benchmark]: RCFGBuilder took 730.68 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 64.8 MB in the beginning and 86.8 MB in the end (delta: -22.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:10,612 INFO L168 Benchmark]: CodeCheck took 1265.38 ms. Allocated memory is still 111.1 MB. Free memory was 86.8 MB in the beginning and 84.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:10,613 INFO L168 Benchmark]: Witness Printer took 59.52 ms. Allocated memory is still 111.1 MB. Free memory was 84.6 MB in the beginning and 81.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:10,616 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, 14 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 272 SDtfs, 98 SDslu, 0 SDs, 0 SdLazy, 448 SolverSat, 198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 505 SyntacticMatches, 19 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1425 SizeOfPredicates, 3 NumberOfNonLiveVariables, 294 ConjunctsInSsa, 9 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: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 VAL [N=1] [L32] COND TRUE i