./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/CostasArray-12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/xcsp/CostasArray-12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c1d73d134ef96188c1fd0faedcc5a8b4eb5b71f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.1-dev-4e77c04 [2021-10-13 07:23:42,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:23:42,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:23:43,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:23:43,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:23:43,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:23:43,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:23:43,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:23:43,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:23:43,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:23:43,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:23:43,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:23:43,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:23:43,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:23:43,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:23:43,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:23:43,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:23:43,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:23:43,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:23:43,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:23:43,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:23:43,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:23:43,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:23:43,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:23:43,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:23:43,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:23:43,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:23:43,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:23:43,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:23:43,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:23:43,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:23:43,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:23:43,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:23:43,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:23:43,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:23:43,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:23:43,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:23:43,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:23:43,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:23:43,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:23:43,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:23:43,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:23:43,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:23:43,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:23:43,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:23:43,123 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:23:43,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:23:43,123 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:23:43,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:23:43,124 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:23:43,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:23:43,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:23:43,125 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:23:43,125 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:23:43,126 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:23:43,126 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:23:43,126 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:23:43,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:23:43,127 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:23:43,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:23:43,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:23:43,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:23:43,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:23:43,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:23:43,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:23:43,129 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:23:43,130 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:23:43,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:23:43,130 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:23:43,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:23:43,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:23:43,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:23:43,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:23:43,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:23:43,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:23:43,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:23:43,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:23:43,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:23:43,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:23:43,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:23:43,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:23:43,134 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c1d73d134ef96188c1fd0faedcc5a8b4eb5b71f [2021-10-13 07:23:43,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:23:43,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:23:43,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:23:43,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:23:43,466 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:23:43,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/xcsp/CostasArray-12.c [2021-10-13 07:23:43,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/data/b5c48db5b/e9a60f2e5af04b1c9efff2689fdce46f/FLAGcf5e7a769 [2021-10-13 07:23:44,111 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:23:44,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/sv-benchmarks/c/xcsp/CostasArray-12.c [2021-10-13 07:23:44,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/data/b5c48db5b/e9a60f2e5af04b1c9efff2689fdce46f/FLAGcf5e7a769 [2021-10-13 07:23:44,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/data/b5c48db5b/e9a60f2e5af04b1c9efff2689fdce46f [2021-10-13 07:23:44,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:23:44,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:23:44,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:23:44,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:23:44,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:23:44,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:44,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f87303b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44, skipping insertion in model container [2021-10-13 07:23:44,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:44,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:23:44,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:23:44,780 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/sv-benchmarks/c/xcsp/CostasArray-12.c[18670,18683] [2021-10-13 07:23:44,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:23:44,811 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:23:44,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/sv-benchmarks/c/xcsp/CostasArray-12.c[18670,18683] [2021-10-13 07:23:44,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:23:44,947 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:23:44,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44 WrapperNode [2021-10-13 07:23:44,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:23:44,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:23:44,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:23:44,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:23:44,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:44,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:45,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:23:45,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:23:45,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:23:45,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:23:45,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:45,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:45,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:45,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:45,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:45,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:45,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:45,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:23:45,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:23:45,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:23:45,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:23:45,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (1/1) ... [2021-10-13 07:23:45,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:23:45,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:23:45,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:23:45,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:23:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:23:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:23:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:23:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:24:07,677 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:24:07,678 INFO L299 CfgBuilder]: Removed 1128 assume(true) statements. [2021-10-13 07:24:07,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:24:07 BoogieIcfgContainer [2021-10-13 07:24:07,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:24:07,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:24:07,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:24:07,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:24:07,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:44" (1/3) ... [2021-10-13 07:24:07,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753a2ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:24:07, skipping insertion in model container [2021-10-13 07:24:07,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:44" (2/3) ... [2021-10-13 07:24:07,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753a2ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:24:07, skipping insertion in model container [2021-10-13 07:24:07,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:24:07" (3/3) ... [2021-10-13 07:24:07,689 INFO L111 eAbstractionObserver]: Analyzing ICFG CostasArray-12.c [2021-10-13 07:24:07,695 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:24:07,695 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:24:07,740 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:24:07,747 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:24:07,747 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:24:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:24:07,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 07:24:07,765 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:24:07,765 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-13 07:24:07,766 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:24:07,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:24:07,771 INFO L82 PathProgramCache]: Analyzing trace with hash 179365, now seen corresponding path program 1 times [2021-10-13 07:24:07,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:24:07,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967855954] [2021-10-13 07:24:07,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:24:07,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:24:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:24:26,935 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:25:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:25:19,099 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:25:19,102 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:25:19,104 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:25:19,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:25:19,112 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:25:19,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:25:19 BoogieIcfgContainer [2021-10-13 07:25:19,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:25:19,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:25:19,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:25:19,239 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:25:19,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:24:07" (3/4) ... [2021-10-13 07:25:19,242 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 07:25:19,375 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:25:19,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:25:19,378 INFO L168 Benchmark]: Toolchain (without parser) took 94951.62 ms. Allocated memory was 98.6 MB in the beginning and 3.6 GB in the end (delta: 3.5 GB). Free memory was 69.6 MB in the beginning and 2.8 GB in the end (delta: -2.7 GB). Peak memory consumption was 780.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:25:19,378 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 98.6 MB. Free memory is still 67.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:25:19,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.00 ms. Allocated memory is still 98.6 MB. Free memory was 69.4 MB in the beginning and 46.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:25:19,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 224.62 ms. Allocated memory is still 123.7 MB. Free memory was 100.6 MB in the beginning and 65.4 MB in the end (delta: 35.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:25:19,380 INFO L168 Benchmark]: Boogie Preprocessor took 184.01 ms. Allocated memory is still 123.7 MB. Free memory was 65.4 MB in the beginning and 88.2 MB in the end (delta: -22.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:25:19,381 INFO L168 Benchmark]: RCFGBuilder took 22306.27 ms. Allocated memory was 123.7 MB in the beginning and 557.8 MB in the end (delta: 434.1 MB). Free memory was 88.2 MB in the beginning and 445.3 MB in the end (delta: -357.1 MB). Peak memory consumption was 223.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:25:19,381 INFO L168 Benchmark]: TraceAbstraction took 71552.80 ms. Allocated memory was 557.8 MB in the beginning and 3.6 GB in the end (delta: 3.0 GB). Free memory was 444.3 MB in the beginning and 2.8 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.1 GB. [2021-10-13 07:25:19,382 INFO L168 Benchmark]: Witness Printer took 137.75 ms. Allocated memory is still 3.6 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:25:19,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 98.6 MB. Free memory is still 67.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.00 ms. Allocated memory is still 98.6 MB. Free memory was 69.4 MB in the beginning and 46.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 224.62 ms. Allocated memory is still 123.7 MB. Free memory was 100.6 MB in the beginning and 65.4 MB in the end (delta: 35.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 184.01 ms. Allocated memory is still 123.7 MB. Free memory was 65.4 MB in the beginning and 88.2 MB in the end (delta: -22.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22306.27 ms. Allocated memory was 123.7 MB in the beginning and 557.8 MB in the end (delta: 434.1 MB). Free memory was 88.2 MB in the beginning and 445.3 MB in the end (delta: -357.1 MB). Peak memory consumption was 223.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 71552.80 ms. Allocated memory was 557.8 MB in the beginning and 3.6 GB in the end (delta: 3.0 GB). Free memory was 444.3 MB in the beginning and 2.8 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.1 GB. * Witness Printer took 137.75 ms. Allocated memory is still 3.6 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 738]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int cond0; [L23] int dummy = 0; [L24] int N; [L25] int var0; [L26] var0 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L29] int var1; [L30] var1 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L33] int var2; [L34] var2 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L37] int var3; [L38] var3 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L41] int var4; [L42] var4 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L45] int var5; [L46] var5 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L49] int var6; [L50] var6 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L53] int var7; [L54] var7 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L57] int var8; [L58] var8 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L61] int var9; [L62] var9 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L65] int var10; [L66] var10 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L69] int var11; [L70] var11 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L73] int var12; [L74] var12 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L78] int var13; [L79] var13 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L88] int var15; [L89] var15 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L93] int var16; [L94] var16 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L98] int var17; [L99] var17 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L103] int var18; [L104] var18 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L108] int var19; [L109] var19 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L113] int var20; [L114] var20 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L118] int var21; [L119] var21 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L123] int var22; [L124] var22 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L128] int var23; [L129] var23 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L133] int var24; [L134] var24 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L138] int var25; [L139] var25 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L143] int var26; [L144] var26 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L148] int var27; [L149] var27 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L153] int var28; [L154] var28 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L158] int var29; [L159] var29 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L163] int var30; [L164] var30 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L168] int var31; [L169] var31 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L173] int var32; [L174] var32 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L178] int var33; [L179] var33 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L183] int var34; [L184] var34 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L188] int var35; [L189] var35 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L193] int var36; [L194] var36 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L198] int var37; [L199] var37 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L203] int var38; [L204] var38 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L208] int var39; [L209] var39 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L213] int var40; [L214] var40 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L218] int var41; [L219] var41 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L223] int var42; [L224] var42 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L228] int var43; [L229] var43 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L233] int var44; [L234] var44 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L238] int var45; [L239] var45 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L243] int var46; [L244] var46 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L248] int var47; [L249] var47 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L253] int var48; [L254] var48 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L258] int var49; [L259] var49 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L263] int var50; [L264] var50 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L268] int var51; [L269] var51 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L273] int var52; [L274] var52 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L278] int var53; [L279] var53 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L283] int var54; [L284] var54 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L288] int var55; [L289] var55 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L293] int var56; [L294] var56 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L298] int var57; [L299] var57 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L303] int var58; [L304] var58 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L308] int var59; [L309] var59 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L313] int var60; [L314] var60 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L318] int var61; [L319] var61 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L323] int var62; [L324] var62 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L328] int var63; [L329] var63 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L333] int var64; [L334] var64 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L338] int var65; [L339] var65 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L343] int var66; [L344] var66 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L348] int var67; [L349] var67 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L353] int var68; [L354] var68 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L358] int var69; [L359] var69 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L363] int var70; [L364] var70 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L368] int var71; [L369] var71 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L373] int var72; [L374] var72 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L378] int var73; [L379] var73 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L383] int var74; [L384] var74 = __VERIFIER_nondet_int() [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L388] int myvar0 = 1; [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L18] COND FALSE !(!cond) [L738] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 71372.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.1ms SsaConstructionTime, 19074.5ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-13 07:25:19,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680e07c-9bb7-419f-aa90-8aac6611a3ee/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...