./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2d5a928396209f6afbe052db99b548634822ad989fb038e22efdc46c01ec1641 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:29:47,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:29:47,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:29:47,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:29:47,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:29:47,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:29:47,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:29:47,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:29:47,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:29:47,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:29:47,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:29:47,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:29:47,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:29:47,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:29:47,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:29:47,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:29:47,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:29:47,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:29:47,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:29:47,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:29:47,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:29:47,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:29:47,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:29:47,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:29:47,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:29:47,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:29:47,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:29:47,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:29:47,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:29:47,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:29:47,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:29:47,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:29:47,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:29:47,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:29:47,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:29:47,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:29:47,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:29:47,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:29:47,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:29:47,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:29:47,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:29:47,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 12:29:47,292 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:29:47,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:29:47,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:29:47,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:29:47,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:29:47,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:29:47,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:29:47,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:29:47,294 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:29:47,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:29:47,294 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:29:47,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:29:47,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:29:47,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:29:47,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:29:47,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:29:47,295 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:29:47,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:29:47,296 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:29:47,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:29:47,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:29:47,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:29:47,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:29:47,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:29:47,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:29:47,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:29:47,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:29:47,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:29:47,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:29:47,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:29:47,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:29:47,298 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:29:47,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:29:47,298 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:29:47,298 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d5a928396209f6afbe052db99b548634822ad989fb038e22efdc46c01ec1641 [2022-12-13 12:29:47,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:29:47,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:29:47,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:29:47,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:29:47,532 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:29:47,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_good.i [2022-12-13 12:29:50,058 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:29:50,282 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:29:50,282 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_good.i [2022-12-13 12:29:50,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/data/584268d6b/492678eb0f24474fa391981c5239e070/FLAG27f6c9f04 [2022-12-13 12:29:50,306 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/data/584268d6b/492678eb0f24474fa391981c5239e070 [2022-12-13 12:29:50,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:29:50,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:29:50,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:29:50,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:29:50,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:29:50,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:29:50" (1/1) ... [2022-12-13 12:29:50,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63fa1933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:50, skipping insertion in model container [2022-12-13 12:29:50,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:29:50" (1/1) ... [2022-12-13 12:29:50,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:29:50,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:29:50,615 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:29:50,924 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:29:50,930 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:29:50,932 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:29:50,935 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:29:50,935 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:29:50,970 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:29:50,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:29:50,979 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:29:50,998 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:29:51,043 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:29:51,045 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:29:51,046 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:29:51,048 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:29:51,049 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:29:51,058 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:29:51,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:29:51,169 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:29:51,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51 WrapperNode [2022-12-13 12:29:51,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:29:51,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:29:51,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:29:51,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:29:51,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,226 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-12-13 12:29:51,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:29:51,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:29:51,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:29:51,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:29:51,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,252 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:29:51,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:29:51,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:29:51,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:29:51,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (1/1) ... [2022-12-13 12:29:51,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:29:51,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:29:51,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:29:51,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:29:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 12:29:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 12:29:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 12:29:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 12:29:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:29:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:29:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:29:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 12:29:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:29:51,449 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:29:51,451 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:29:51,627 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:29:51,632 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:29:51,632 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 12:29:51,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:29:51 BoogieIcfgContainer [2022-12-13 12:29:51,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:29:51,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:29:51,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:29:51,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:29:51,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:29:50" (1/3) ... [2022-12-13 12:29:51,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7679cf73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:29:51, skipping insertion in model container [2022-12-13 12:29:51,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:29:51" (2/3) ... [2022-12-13 12:29:51,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7679cf73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:29:51, skipping insertion in model container [2022-12-13 12:29:51,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:29:51" (3/3) ... [2022-12-13 12:29:51,640 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_03_good.i [2022-12-13 12:29:51,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:29:51,653 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 12:29:51,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:29:51,692 INFO L357 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, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@102ab094, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:29:51,693 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 12:29:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 52 states have internal predecessors, (58), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 12:29:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 12:29:51,701 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:51,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:51,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:29:51,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:51,706 INFO L85 PathProgramCache]: Analyzing trace with hash 500210408, now seen corresponding path program 1 times [2022-12-13 12:29:51,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:51,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473504152] [2022-12-13 12:29:51,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:51,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:29:51,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:51,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473504152] [2022-12-13 12:29:51,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473504152] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:51,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:51,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:29:51,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116238619] [2022-12-13 12:29:51,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:51,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 12:29:51,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:51,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 12:29:51,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:29:51,885 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 52 states have internal predecessors, (58), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:29:51,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:51,917 INFO L93 Difference]: Finished difference Result 107 states and 142 transitions. [2022-12-13 12:29:51,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 12:29:51,919 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 12:29:51,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:51,927 INFO L225 Difference]: With dead ends: 107 [2022-12-13 12:29:51,927 INFO L226 Difference]: Without dead ends: 48 [2022-12-13 12:29:51,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:29:51,934 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:51,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:29:51,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-13 12:29:51,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-12-13 12:29:51,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 32 states have (on average 1.375) internal successors, (44), 41 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 12:29:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2022-12-13 12:29:51,970 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 12 [2022-12-13 12:29:51,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:51,972 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2022-12-13 12:29:51,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:29:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2022-12-13 12:29:51,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 12:29:51,973 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:51,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:51,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:29:51,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:29:51,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:51,975 INFO L85 PathProgramCache]: Analyzing trace with hash -604163379, now seen corresponding path program 1 times [2022-12-13 12:29:51,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:51,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969093650] [2022-12-13 12:29:51,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:51,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:29:52,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:52,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969093650] [2022-12-13 12:29:52,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969093650] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:52,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:52,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:29:52,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553518507] [2022-12-13 12:29:52,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:52,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:29:52,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:52,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:29:52,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:29:52,080 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:29:52,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:52,090 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2022-12-13 12:29:52,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:29:52,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 12:29:52,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:52,092 INFO L225 Difference]: With dead ends: 48 [2022-12-13 12:29:52,092 INFO L226 Difference]: Without dead ends: 47 [2022-12-13 12:29:52,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:29:52,093 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:52,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 102 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:29:52,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-13 12:29:52,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-12-13 12:29:52,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.34375) internal successors, (43), 40 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 12:29:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-12-13 12:29:52,097 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 14 [2022-12-13 12:29:52,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:52,098 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-12-13 12:29:52,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:29:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-12-13 12:29:52,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 12:29:52,098 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:52,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:52,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:29:52,099 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:29:52,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:52,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1549195495, now seen corresponding path program 1 times [2022-12-13 12:29:52,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:52,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418356976] [2022-12-13 12:29:52,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:52,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:29:52,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:52,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418356976] [2022-12-13 12:29:52,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418356976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:52,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:52,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:29:52,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551657147] [2022-12-13 12:29:52,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:52,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:29:52,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:52,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:29:52,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:29:52,197 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:29:52,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:52,218 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2022-12-13 12:29:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:29:52,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 12:29:52,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:52,219 INFO L225 Difference]: With dead ends: 47 [2022-12-13 12:29:52,219 INFO L226 Difference]: Without dead ends: 46 [2022-12-13 12:29:52,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:29:52,220 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 30 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:52,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 114 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:29:52,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-13 12:29:52,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-13 12:29:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.3125) internal successors, (42), 39 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 12:29:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2022-12-13 12:29:52,225 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 15 [2022-12-13 12:29:52,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:52,225 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2022-12-13 12:29:52,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:29:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-12-13 12:29:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 12:29:52,226 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:52,226 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:52,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:29:52,226 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:29:52,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:52,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1513370470, now seen corresponding path program 1 times [2022-12-13 12:29:52,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:52,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189595523] [2022-12-13 12:29:52,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:52,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:29:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 12:29:52,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:52,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189595523] [2022-12-13 12:29:52,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189595523] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:52,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:52,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:29:52,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711407703] [2022-12-13 12:29:52,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:52,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:29:52,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:52,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:29:52,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:29:52,317 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 12:29:52,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:52,327 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2022-12-13 12:29:52,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:29:52,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-12-13 12:29:52,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:52,329 INFO L225 Difference]: With dead ends: 46 [2022-12-13 12:29:52,329 INFO L226 Difference]: Without dead ends: 45 [2022-12-13 12:29:52,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:29:52,331 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 2 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:52,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 98 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:29:52,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-13 12:29:52,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-13 12:29:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.28125) internal successors, (41), 38 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 12:29:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2022-12-13 12:29:52,336 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 24 [2022-12-13 12:29:52,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:52,336 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2022-12-13 12:29:52,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 12:29:52,336 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-12-13 12:29:52,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 12:29:52,337 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:52,337 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:52,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:29:52,337 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:29:52,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:52,337 INFO L85 PathProgramCache]: Analyzing trace with hash -330155588, now seen corresponding path program 1 times [2022-12-13 12:29:52,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:52,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558582340] [2022-12-13 12:29:52,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:52,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:29:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 12:29:52,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:52,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558582340] [2022-12-13 12:29:52,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558582340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:52,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:52,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:29:52,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304082047] [2022-12-13 12:29:52,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:52,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:29:52,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:52,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:29:52,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:29:52,441 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 12:29:52,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:52,459 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2022-12-13 12:29:52,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:29:52,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-12-13 12:29:52,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:52,461 INFO L225 Difference]: With dead ends: 45 [2022-12-13 12:29:52,461 INFO L226 Difference]: Without dead ends: 44 [2022-12-13 12:29:52,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:29:52,462 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 19 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:52,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 122 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:29:52,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-13 12:29:52,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-12-13 12:29:52,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.25) internal successors, (40), 37 states have internal predecessors, (40), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 12:29:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2022-12-13 12:29:52,467 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 25 [2022-12-13 12:29:52,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:52,467 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2022-12-13 12:29:52,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 12:29:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-12-13 12:29:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 12:29:52,468 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:52,468 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:52,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:29:52,468 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:29:52,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:52,468 INFO L85 PathProgramCache]: Analyzing trace with hash -912545366, now seen corresponding path program 1 times [2022-12-13 12:29:52,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:52,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353052746] [2022-12-13 12:29:52,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:52,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:29:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 12:29:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 12:29:52,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:52,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353052746] [2022-12-13 12:29:52,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353052746] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:52,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:52,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:29:52,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258676746] [2022-12-13 12:29:52,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:52,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:29:52,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:52,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:29:52,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:29:52,530 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 12:29:52,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:52,547 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2022-12-13 12:29:52,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:29:52,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2022-12-13 12:29:52,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:52,548 INFO L225 Difference]: With dead ends: 44 [2022-12-13 12:29:52,548 INFO L226 Difference]: Without dead ends: 43 [2022-12-13 12:29:52,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:29:52,549 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 5 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:52,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 138 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:29:52,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-13 12:29:52,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-13 12:29:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.21875) internal successors, (39), 36 states have internal predecessors, (39), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 12:29:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2022-12-13 12:29:52,552 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 32 [2022-12-13 12:29:52,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:52,553 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2022-12-13 12:29:52,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 12:29:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2022-12-13 12:29:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 12:29:52,553 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:52,553 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:52,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:29:52,554 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:29:52,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:52,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1775864847, now seen corresponding path program 1 times [2022-12-13 12:29:52,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:52,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744815522] [2022-12-13 12:29:52,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:52,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:29:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 12:29:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 12:29:52,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:52,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744815522] [2022-12-13 12:29:52,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744815522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:52,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:52,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:29:52,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619075095] [2022-12-13 12:29:52,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:52,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:29:52,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:52,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:29:52,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:29:52,617 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 12:29:52,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:52,631 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2022-12-13 12:29:52,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:29:52,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2022-12-13 12:29:52,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:52,633 INFO L225 Difference]: With dead ends: 43 [2022-12-13 12:29:52,633 INFO L226 Difference]: Without dead ends: 42 [2022-12-13 12:29:52,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:29:52,634 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 8 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:52,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 131 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:29:52,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-13 12:29:52,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-12-13 12:29:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.1875) internal successors, (38), 35 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 12:29:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-12-13 12:29:52,638 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 33 [2022-12-13 12:29:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:52,639 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-12-13 12:29:52,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 12:29:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-12-13 12:29:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 12:29:52,639 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:52,640 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:52,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:29:52,640 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:29:52,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:52,640 INFO L85 PathProgramCache]: Analyzing trace with hash 532251284, now seen corresponding path program 1 times [2022-12-13 12:29:52,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:52,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131179308] [2022-12-13 12:29:52,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:52,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:29:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 12:29:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 12:29:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 12:29:52,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:52,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131179308] [2022-12-13 12:29:52,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131179308] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:52,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:52,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:29:52,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011342328] [2022-12-13 12:29:52,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:52,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:29:52,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:52,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:29:52,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:29:52,708 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 12:29:52,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:52,721 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-12-13 12:29:52,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:29:52,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2022-12-13 12:29:52,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:52,722 INFO L225 Difference]: With dead ends: 42 [2022-12-13 12:29:52,723 INFO L226 Difference]: Without dead ends: 41 [2022-12-13 12:29:52,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:29:52,724 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 5 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:52,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 135 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:29:52,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-12-13 12:29:52,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-12-13 12:29:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 32 states have (on average 1.15625) internal successors, (37), 34 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 12:29:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2022-12-13 12:29:52,728 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 41 [2022-12-13 12:29:52,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:52,728 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2022-12-13 12:29:52,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 12:29:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-12-13 12:29:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 12:29:52,729 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:29:52,729 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:52,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:29:52,729 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:29:52,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:29:52,729 INFO L85 PathProgramCache]: Analyzing trace with hash -680079241, now seen corresponding path program 1 times [2022-12-13 12:29:52,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:29:52,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118548106] [2022-12-13 12:29:52,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:29:52,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:29:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:29:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:29:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 12:29:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 12:29:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:29:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 12:29:52,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:29:52,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118548106] [2022-12-13 12:29:52,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118548106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:29:52,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:29:52,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:29:52,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283474653] [2022-12-13 12:29:52,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:29:52,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:29:52,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:29:52,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:29:52,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:29:52,798 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 12:29:52,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:29:52,809 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2022-12-13 12:29:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:29:52,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-12-13 12:29:52,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:29:52,810 INFO L225 Difference]: With dead ends: 41 [2022-12-13 12:29:52,810 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:29:52,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:29:52,811 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 2 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:29:52,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 135 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:29:52,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:29:52,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:29:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-12-13 12:29:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:29:52,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-12-13 12:29:52,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:29:52,812 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:29:52,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 12:29:52,812 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:29:52,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:29:52,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 12:29:52,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 12:29:52,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 12:29:52,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 12:29:52,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 12:29:52,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 12:29:52,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 12:29:52,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 12:29:52,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:29:52,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:29:52,842 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 12:29:52,843 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 12:29:52,843 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 12:29:52,843 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 12:29:52,843 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 12:29:52,843 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 12:29:52,843 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 12:29:52,843 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-13 12:29:52,843 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2022-12-13 12:29:52,844 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1624) no Hoare annotation was computed. [2022-12-13 12:29:52,844 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 12:29:52,844 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1618 1633) no Hoare annotation was computed. [2022-12-13 12:29:52,844 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2022-12-13 12:29:52,844 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 12:29:52,844 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2022-12-13 12:29:52,844 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-12-13 12:29:52,844 INFO L899 garLoopResultBuilder]: For program point L1580-2(line 1580) no Hoare annotation was computed. [2022-12-13 12:29:52,844 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1641 1648) the Hoare annotation is: true [2022-12-13 12:29:52,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-12-13 12:29:52,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-12-13 12:29:52,845 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2022-12-13 12:29:52,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 12:29:52,845 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-13 12:29:52,845 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-12-13 12:29:52,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-12-13 12:29:52,845 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 12:29:52,845 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1595) no Hoare annotation was computed. [2022-12-13 12:29:52,845 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) [2022-12-13 12:29:52,846 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-12-13 12:29:52,846 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1607) no Hoare annotation was computed. [2022-12-13 12:29:52,846 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1597 1616) no Hoare annotation was computed. [2022-12-13 12:29:52,846 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 12:29:52,846 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2022-12-13 12:29:52,846 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1640) no Hoare annotation was computed. [2022-12-13 12:29:52,846 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 12:29:52,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-12-13 12:29:52,846 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1555) no Hoare annotation was computed. [2022-12-13 12:29:52,846 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1573) no Hoare annotation was computed. [2022-12-13 12:29:52,847 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2022-12-13 12:29:52,847 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 12:29:52,847 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-12-13 12:29:52,847 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-12-13 12:29:52,847 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-12-13 12:29:52,847 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2022-12-13 12:29:52,847 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2022-12-13 12:29:52,847 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-12-13 12:29:52,847 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1581) no Hoare annotation was computed. [2022-12-13 12:29:52,847 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2022-12-13 12:29:52,848 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1575 1595) no Hoare annotation was computed. [2022-12-13 12:29:52,848 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) [2022-12-13 12:29:52,848 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1548 1573) no Hoare annotation was computed. [2022-12-13 12:29:52,848 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-13 12:29:52,848 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2022-12-13 12:29:52,848 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2022-12-13 12:29:52,848 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2022-12-13 12:29:52,848 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-12-13 12:29:52,848 INFO L899 garLoopResultBuilder]: For program point L1554-2(line 1554) no Hoare annotation was computed. [2022-12-13 12:29:52,848 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-12-13 12:29:52,851 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:29:52,853 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:29:52,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:29:52 BoogieIcfgContainer [2022-12-13 12:29:52,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:29:52,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:29:52,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:29:52,860 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:29:52,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:29:51" (3/4) ... [2022-12-13 12:29:52,862 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:29:52,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 12:29:52,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 12:29:52,870 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 12:29:52,870 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 12:29:52,870 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 12:29:52,871 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:29:52,897 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:29:52,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:29:52,898 INFO L158 Benchmark]: Toolchain (without parser) took 2589.31ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 85.6MB in the beginning and 104.4MB in the end (delta: -18.7MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2022-12-13 12:29:52,898 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:29:52,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.59ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 85.6MB in the beginning and 106.8MB in the end (delta: -21.2MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-12-13 12:29:52,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.10ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 103.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:29:52,899 INFO L158 Benchmark]: Boogie Preprocessor took 30.32ms. Allocated memory is still 157.3MB. Free memory was 103.5MB in the beginning and 101.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:29:52,899 INFO L158 Benchmark]: RCFGBuilder took 375.45ms. Allocated memory is still 157.3MB. Free memory was 101.7MB in the beginning and 83.7MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 12:29:52,899 INFO L158 Benchmark]: TraceAbstraction took 1224.27ms. Allocated memory is still 157.3MB. Free memory was 82.9MB in the beginning and 107.5MB in the end (delta: -24.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:29:52,899 INFO L158 Benchmark]: Witness Printer took 37.88ms. Allocated memory is still 157.3MB. Free memory was 107.5MB in the beginning and 104.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:29:52,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 860.59ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 85.6MB in the beginning and 106.8MB in the end (delta: -21.2MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.10ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 103.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.32ms. Allocated memory is still 157.3MB. Free memory was 103.5MB in the beginning and 101.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.45ms. Allocated memory is still 157.3MB. Free memory was 101.7MB in the beginning and 83.7MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1224.27ms. Allocated memory is still 157.3MB. Free memory was 82.9MB in the beginning and 107.5MB in the end (delta: -24.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.88ms. Allocated memory is still 157.3MB. Free memory was 107.5MB in the beginning and 104.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 58 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 1041 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 589 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 452 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 28 PreInvPairs, 36 NumberOfFragments, 40 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 291 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 56/56 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1641]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 12:29:52,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e043a402-f9c9-4a98-aa0d-61f3fce4e1eb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE