./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum03-1.i --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_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum03-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/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 02c9c5d0d7fccf07466527195598f336cd5622e5 ............................................................................................................................................................................................................................................................................................................................................... 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 16:24:28,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:24:28,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:24:28,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:24:28,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:24:28,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:24:28,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:24:28,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:24:28,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:24:28,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:24:28,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:24:28,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:24:28,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:24:28,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:24:28,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:24:28,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:24:28,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:24:28,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:24:28,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:24:28,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:24:28,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:24:28,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:24:28,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:24:28,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:24:28,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:24:28,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:24:28,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:24:28,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:24:28,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:24:28,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:24:28,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:24:28,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:24:28,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:24:28,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:24:28,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:24:28,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:24:28,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:24:28,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:24:28,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:24:28,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:24:28,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:24:28,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:24:28,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:24:28,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:24:28,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:24:28,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:24:28,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:24:28,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:24:28,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:24:28,988 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:24:28,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:24:28,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:24:28,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:24:28,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:24:28,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:24:28,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:24:28,991 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:24:28,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:24:28,991 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:24:28,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:24:28,992 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:24:28,992 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:24:28,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:24:28,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:24:28,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:24:28,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:24:28,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:24:28,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:24:28,995 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:24:28,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:24:28,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:24:28,996 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_226e757e-d4ba-444d-b052-cbdc5bf06903/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02c9c5d0d7fccf07466527195598f336cd5622e5 [2020-12-01 16:24:29,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:24:29,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:24:29,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:24:29,392 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:24:29,394 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:24:29,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/../../sv-benchmarks/c/loops/sum03-1.i [2020-12-01 16:24:29,533 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/data/aec6156eb/7849ca208f154701921413f0e5d24abf/FLAG8d6660b2a [2020-12-01 16:24:30,088 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:24:30,089 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/sv-benchmarks/c/loops/sum03-1.i [2020-12-01 16:24:30,103 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/data/aec6156eb/7849ca208f154701921413f0e5d24abf/FLAG8d6660b2a [2020-12-01 16:24:30,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/data/aec6156eb/7849ca208f154701921413f0e5d24abf [2020-12-01 16:24:30,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:24:30,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:24:30,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:24:30,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:24:30,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:24:30,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32da5e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30, skipping insertion in model container [2020-12-01 16:24:30,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:24:30,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:24:30,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:24:30,740 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:24:30,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:24:30,796 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:24:30,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30 WrapperNode [2020-12-01 16:24:30,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:24:30,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:24:30,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:24:30,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:24:30,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:24:30,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:24:30,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:24:30,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:24:30,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:30,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:24:30,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:24:30,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:24:30,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:24:30,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/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 16:24:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:24:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:24:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:24:30,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:24:31,329 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:24:31,329 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:24:31,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:24:31 BoogieIcfgContainer [2020-12-01 16:24:31,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:24:31,334 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:24:31,334 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:24:31,359 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:24:31,360 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:24:31" (1/1) ... [2020-12-01 16:24:31,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:24:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:31,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2020-12-01 16:24:31,427 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2020-12-01 16:24:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:24:31,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:31,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:31,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2020-12-01 16:24:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2020-12-01 16:24:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:24:31,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2020-12-01 16:24:32,940 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2020-12-01 16:24:32,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:24:32,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2020-12-01 16:24:34,425 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-12-01 16:24:34,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:24:34,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2020-12-01 16:24:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2020-12-01 16:24:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:24:35,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:37,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2020-12-01 16:24:37,986 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2020-12-01 16:24:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:24:37,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:38,411 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:39,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:39,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2020-12-01 16:24:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-12-01 16:24:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:24:39,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:41,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2020-12-01 16:24:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-12-01 16:24:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:24:41,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:44,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:44,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2020-12-01 16:24:44,043 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-12-01 16:24:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:24:44,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:45,746 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 23 [2020-12-01 16:24:46,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:46,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2020-12-01 16:24:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-12-01 16:24:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:24:46,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:50,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2020-12-01 16:24:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2020-12-01 16:24:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:24:50,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:24:50,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:24:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:24:50,974 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:24:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:24:51,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:24:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:24:51,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:24:51,789 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2020-12-01 16:24:51,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:24:51 ImpRootNode [2020-12-01 16:24:51,859 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:24:51,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:24:51,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:24:51,861 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:24:51,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:24:31" (3/4) ... [2020-12-01 16:24:51,865 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:24:51,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_226e757e-d4ba-444d-b052-cbdc5bf06903/bin/ukojak/witness.graphml [2020-12-01 16:24:51,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:24:51,981 INFO L168 Benchmark]: Toolchain (without parser) took 21554.45 ms. Allocated memory was 86.0 MB in the beginning and 182.5 MB in the end (delta: 96.5 MB). Free memory was 54.0 MB in the beginning and 112.0 MB in the end (delta: -58.1 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:24:51,982 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 86.0 MB. Free memory was 59.2 MB in the beginning and 59.2 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:24:51,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.03 ms. Allocated memory is still 86.0 MB. Free memory was 53.7 MB in the beginning and 64.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:24:51,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.93 ms. Allocated memory is still 86.0 MB. Free memory was 64.7 MB in the beginning and 63.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:24:51,984 INFO L168 Benchmark]: Boogie Preprocessor took 24.64 ms. Allocated memory is still 86.0 MB. Free memory was 63.3 MB in the beginning and 62.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:24:51,985 INFO L168 Benchmark]: RCFGBuilder took 456.90 ms. Allocated memory is still 86.0 MB. Free memory was 62.3 MB in the beginning and 47.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:24:51,986 INFO L168 Benchmark]: CodeCheck took 20525.12 ms. Allocated memory was 86.0 MB in the beginning and 182.5 MB in the end (delta: 96.5 MB). Free memory was 47.6 MB in the beginning and 115.2 MB in the end (delta: -67.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:24:51,987 INFO L168 Benchmark]: Witness Printer took 119.58 ms. Allocated memory is still 182.5 MB. Free memory was 115.2 MB in the beginning and 112.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:24:51,990 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, 8 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.3s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1024 SDtfs, 3796 SDslu, 1024 SDs, 0 SdLazy, 20964 SolverSat, 7512 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1015 GetRequests, 780 SyntacticMatches, 89 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13536 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 34326 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/330 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: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L21] int sn=0; [L22] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L22] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L23] unsigned int x=0; [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L14] COND FALSE !(!(cond)) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L14] COND FALSE !(!(cond)) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L14] COND FALSE !(!(cond)) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L14] COND FALSE !(!(cond)) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L14] COND FALSE !(!(cond)) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L14] COND FALSE !(!(cond)) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L14] COND FALSE !(!(cond)) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L14] COND FALSE !(!(cond)) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L14] COND FALSE !(!(cond)) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L14] COND FALSE !(!(cond)) [L24] COND TRUE 1 [L25] COND FALSE !(x<10) [L28] x++ [L14] COND TRUE !(cond) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "sum03-1.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 86.0 MB. Free memory was 59.2 MB in the beginning and 59.2 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 367.03 ms. Allocated memory is still 86.0 MB. Free memory was 53.7 MB in the beginning and 64.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.93 ms. Allocated memory is still 86.0 MB. Free memory was 64.7 MB in the beginning and 63.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.64 ms. Allocated memory is still 86.0 MB. Free memory was 63.3 MB in the beginning and 62.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 456.90 ms. Allocated memory is still 86.0 MB. Free memory was 62.3 MB in the beginning and 47.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 20525.12 ms. Allocated memory was 86.0 MB in the beginning and 182.5 MB in the end (delta: 96.5 MB). Free memory was 47.6 MB in the beginning and 115.2 MB in the end (delta: -67.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * Witness Printer took 119.58 ms. Allocated memory is still 182.5 MB. Free memory was 115.2 MB in the beginning and 112.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...