./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.i --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_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.i -s /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/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 c7eba07debb0aad75be3d6c81175278352db792c ...................................................................................................................................................................................................................................... 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 04:43:02,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:02,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:02,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:02,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:02,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:02,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:02,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:02,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:02,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:02,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:02,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:02,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:02,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:02,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:02,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:02,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:02,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:02,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:02,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:02,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:02,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:02,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:02,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:02,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:02,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:02,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:02,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:02,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:02,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:02,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:02,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:02,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:02,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:02,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:02,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:02,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:02,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:02,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:02,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:02,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:02,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:02,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:02,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:02,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:02,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:02,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:02,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:02,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:02,924 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:02,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:02,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:02,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:02,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:02,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:02,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:02,927 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:02,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:02,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:02,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:02,927 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:02,927 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:02,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:02,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:02,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:02,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:02,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:02,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:02,929 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:02,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:02,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:02,929 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_45a4db5c-302a-49c0-b439-09b8522cea98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7eba07debb0aad75be3d6c81175278352db792c [2020-11-28 04:43:03,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:03,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:03,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:03,227 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:03,228 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:03,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test_while_int.i [2020-11-28 04:43:03,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/data/4ab4f7796/dd1acc39b8dd402ea3ee40bd1a17448d/FLAGa65f64deb [2020-11-28 04:43:03,708 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:03,709 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/sv-benchmarks/c/ldv-regression/test_while_int.i [2020-11-28 04:43:03,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/data/4ab4f7796/dd1acc39b8dd402ea3ee40bd1a17448d/FLAGa65f64deb [2020-11-28 04:43:04,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/data/4ab4f7796/dd1acc39b8dd402ea3ee40bd1a17448d [2020-11-28 04:43:04,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:04,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:04,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:04,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:04,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:04,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b5575a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04, skipping insertion in model container [2020-11-28 04:43:04,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:04,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:04,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:04,425 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:04,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:04,453 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:04,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04 WrapperNode [2020-11-28 04:43:04,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:04,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:04,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:04,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:04,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:04,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:04,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:04,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:04,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:04,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:04,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:04,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:04,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/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 04:43:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:43:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:04,897 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:04,897 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-28 04:43:04,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:04 BoogieIcfgContainer [2020-11-28 04:43:04,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:43:04,900 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:43:04,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:43:04,911 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:43:04,912 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:43:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2020-11-28 04:43:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2020-11-28 04:43:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:43:04,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:05,190 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 04:43:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:05,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2020-11-28 04:43:05,298 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2020-11-28 04:43:05,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:43:05,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:05,656 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-11-28 04:43:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2020-11-28 04:43:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-11-28 04:43:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:43:05,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:05,749 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:05,784 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:05,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:05,878 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:05,892 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2020-11-28 04:43:05,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:43:05 ImpRootNode [2020-11-28 04:43:05,919 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:43:05,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:43:05,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:43:05,924 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:43:05,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:04" (3/4) ... [2020-11-28 04:43:05,929 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:43:06,002 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_45a4db5c-302a-49c0-b439-09b8522cea98/bin/ukojak/witness.graphml [2020-11-28 04:43:06,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:43:06,005 INFO L168 Benchmark]: Toolchain (without parser) took 1866.54 ms. Allocated memory is still 121.6 MB. Free memory was 91.3 MB in the beginning and 85.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,006 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:06,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.71 ms. Allocated memory is still 121.6 MB. Free memory was 91.3 MB in the beginning and 99.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.78 ms. Allocated memory is still 121.6 MB. Free memory was 99.1 MB in the beginning and 97.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:06,012 INFO L168 Benchmark]: Boogie Preprocessor took 20.23 ms. Allocated memory is still 121.6 MB. Free memory was 97.8 MB in the beginning and 96.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,013 INFO L168 Benchmark]: RCFGBuilder took 392.15 ms. Allocated memory is still 121.6 MB. Free memory was 96.7 MB in the beginning and 84.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,013 INFO L168 Benchmark]: CodeCheck took 1018.91 ms. Allocated memory is still 121.6 MB. Free memory was 84.1 MB in the beginning and 87.4 MB in the end (delta: -3.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:06,014 INFO L168 Benchmark]: Witness Printer took 80.15 ms. Allocated memory is still 121.6 MB. Free memory was 87.4 MB in the beginning and 85.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,016 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, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 46 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L25] int i=0; [L26] COND TRUE i<5 [L27] i++ [L20] (b) ? (0) : __blast_assert () [L26] COND TRUE i<5 [L27] i++ [L20] (b) ? (0) : __blast_assert () [L26] COND TRUE i<5 [L27] i++ [L20] (b) ? (0) : __blast_assert () [L3] __assert_fail("0", "test_while_int.i", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 311.71 ms. Allocated memory is still 121.6 MB. Free memory was 91.3 MB in the beginning and 99.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.78 ms. Allocated memory is still 121.6 MB. Free memory was 99.1 MB in the beginning and 97.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.23 ms. Allocated memory is still 121.6 MB. Free memory was 97.8 MB in the beginning and 96.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 392.15 ms. Allocated memory is still 121.6 MB. Free memory was 96.7 MB in the beginning and 84.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 1018.91 ms. Allocated memory is still 121.6 MB. Free memory was 84.1 MB in the beginning and 87.4 MB in the end (delta: -3.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 80.15 ms. Allocated memory is still 121.6 MB. Free memory was 87.4 MB in the beginning and 85.3 MB in the end (delta: 2.1 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...