./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/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_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/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_0abd5380-537c-4c84-a155-0a6f39a91bb5/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 a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 --- 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 20:21:55,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:21:55,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:21:55,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:21:55,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:21:55,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:21:55,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:21:55,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:21:55,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:21:55,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:21:55,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:21:55,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:21:55,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:21:55,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:21:55,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:21:55,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:21:55,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:21:55,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:21:55,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:21:55,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:21:55,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:21:55,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:21:55,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:21:55,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:21:55,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:21:55,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:21:55,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:21:55,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:21:55,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:21:55,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:21:55,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:21:55,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:21:55,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:21:55,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:21:55,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:21:55,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:21:55,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:21:55,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:21:55,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:21:55,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:21:55,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:21:55,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:21:55,174 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:21:55,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:21:55,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:21:55,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:21:55,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:21:55,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:21:55,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:21:55,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:21:55,177 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:21:55,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:21:55,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:21:55,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:21:55,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:21:55,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:21:55,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:21:55,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:21:55,178 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:21:55,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:21:55,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:21:55,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:21:55,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:21:55,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:21:55,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:21:55,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:21:55,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:21:55,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:21:55,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:21:55,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:21:55,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:21:55,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:21:55,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:21:55,181 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:21:55,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:21:55,181 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:21:55,181 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_0abd5380-537c-4c84-a155-0a6f39a91bb5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 [2022-12-13 20:21:55,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:21:55,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:21:55,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:21:55,392 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:21:55,393 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:21:55,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2022-12-13 20:21:58,039 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:21:58,284 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:21:58,285 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2022-12-13 20:21:58,302 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/data/c66f74f90/566cb42460cf45479fef3b61ec122a6f/FLAGe274ba7ee [2022-12-13 20:21:58,316 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/data/c66f74f90/566cb42460cf45479fef3b61ec122a6f [2022-12-13 20:21:58,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:21:58,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:21:58,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:21:58,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:21:58,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:21:58,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:21:58" (1/1) ... [2022-12-13 20:21:58,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cf1bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:58, skipping insertion in model container [2022-12-13 20:21:58,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:21:58" (1/1) ... [2022-12-13 20:21:58,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:21:58,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:21:58,661 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:21:59,021 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:21:59,026 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:21:59,028 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:21:59,031 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:21:59,031 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:21:59,052 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:21:59,059 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:21:59,069 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:21:59,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:21:59,080 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:21:59,097 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:21:59,140 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:21:59,142 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:21:59,143 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:21:59,145 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:21:59,145 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:21:59,150 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:21:59,153 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:21:59,157 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:21:59,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:21:59,275 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:21:59,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59 WrapperNode [2022-12-13 20:21:59,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:21:59,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:21:59,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:21:59,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:21:59,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,315 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2022-12-13 20:21:59,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:21:59,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:21:59,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:21:59,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:21:59,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,332 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:21:59,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:21:59,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:21:59,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:21:59,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (1/1) ... [2022-12-13 20:21:59,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:21:59,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:21:59,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:21:59,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:21:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 20:21:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 20:21:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 20:21:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:21:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:21:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:21:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 20:21:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:21:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:21:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:21:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:21:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:21:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:21:59,502 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:21:59,503 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:21:59,677 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:21:59,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:21:59,684 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:21:59,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:21:59 BoogieIcfgContainer [2022-12-13 20:21:59,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:21:59,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:21:59,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:21:59,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:21:59,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:21:58" (1/3) ... [2022-12-13 20:21:59,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5680d89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:21:59, skipping insertion in model container [2022-12-13 20:21:59,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:21:59" (2/3) ... [2022-12-13 20:21:59,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5680d89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:21:59, skipping insertion in model container [2022-12-13 20:21:59,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:21:59" (3/3) ... [2022-12-13 20:21:59,695 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2022-12-13 20:21:59,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:21:59,715 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 20:21:59,764 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:21:59,770 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;@1825ab96, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:21:59,770 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 20:21:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 60 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 20:21:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 20:21:59,782 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:21:59,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:21:59,783 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 20:21:59,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:21:59,787 INFO L85 PathProgramCache]: Analyzing trace with hash -457675659, now seen corresponding path program 1 times [2022-12-13 20:21:59,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:21:59,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274726390] [2022-12-13 20:21:59,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:21:59,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:21:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:22:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,041 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 20:22:00,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:22:00,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274726390] [2022-12-13 20:22:00,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274726390] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:22:00,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:22:00,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:22:00,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922500025] [2022-12-13 20:22:00,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:22:00,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:22:00,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:22:00,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:22:00,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:22:00,077 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 60 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 20:22:00,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:00,125 INFO L93 Difference]: Finished difference Result 122 states and 170 transitions. [2022-12-13 20:22:00,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:22:00,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-12-13 20:22:00,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:00,134 INFO L225 Difference]: With dead ends: 122 [2022-12-13 20:22:00,134 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 20:22:00,136 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 20:22:00,139 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 81 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:00,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 79 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:22:00,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 20:22:00,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 20:22:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 53 states have internal predecessors, (54), 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 20:22:00,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 74 transitions. [2022-12-13 20:22:00,172 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 74 transitions. Word has length 13 [2022-12-13 20:22:00,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:22:00,173 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 74 transitions. [2022-12-13 20:22:00,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 20:22:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-12-13 20:22:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 20:22:00,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:22:00,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:22:00,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:22:00,175 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 20:22:00,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:22:00,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1858149296, now seen corresponding path program 1 times [2022-12-13 20:22:00,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:22:00,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441357404] [2022-12-13 20:22:00,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:22:00,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:22:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:22:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,261 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 20:22:00,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:22:00,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441357404] [2022-12-13 20:22:00,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441357404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:22:00,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:22:00,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:22:00,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6420987] [2022-12-13 20:22:00,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:22:00,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:22:00,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:22:00,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:22:00,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:22:00,265 INFO L87 Difference]: Start difference. First operand 57 states and 74 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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 20:22:00,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:00,299 INFO L93 Difference]: Finished difference Result 134 states and 173 transitions. [2022-12-13 20:22:00,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:22:00,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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 20:22:00,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:00,301 INFO L225 Difference]: With dead ends: 134 [2022-12-13 20:22:00,301 INFO L226 Difference]: Without dead ends: 93 [2022-12-13 20:22:00,302 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 20:22:00,303 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 40 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:00,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 141 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:22:00,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-12-13 20:22:00,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 60. [2022-12-13 20:22:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 55 states have internal predecessors, (59), 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 20:22:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions. [2022-12-13 20:22:00,316 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 15 [2022-12-13 20:22:00,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:22:00,317 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 79 transitions. [2022-12-13 20:22:00,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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 20:22:00,317 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2022-12-13 20:22:00,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 20:22:00,318 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:22:00,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:22:00,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:22:00,318 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 20:22:00,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:22:00,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1768053402, now seen corresponding path program 1 times [2022-12-13 20:22:00,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:22:00,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764627947] [2022-12-13 20:22:00,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:22:00,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:22:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:22:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,383 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 20:22:00,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:22:00,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764627947] [2022-12-13 20:22:00,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764627947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:22:00,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:22:00,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:22:00,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953479112] [2022-12-13 20:22:00,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:22:00,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:22:00,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:22:00,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:22:00,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:22:00,385 INFO L87 Difference]: Start difference. First operand 60 states and 79 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 20:22:00,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:00,408 INFO L93 Difference]: Finished difference Result 92 states and 120 transitions. [2022-12-13 20:22:00,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:22:00,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2022-12-13 20:22:00,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:00,411 INFO L225 Difference]: With dead ends: 92 [2022-12-13 20:22:00,411 INFO L226 Difference]: Without dead ends: 91 [2022-12-13 20:22:00,411 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 20:22:00,413 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 33 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:00,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 176 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:22:00,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-13 20:22:00,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 59. [2022-12-13 20:22:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 54 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 20:22:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2022-12-13 20:22:00,421 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 78 transitions. Word has length 16 [2022-12-13 20:22:00,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:22:00,421 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 78 transitions. [2022-12-13 20:22:00,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 20:22:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2022-12-13 20:22:00,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 20:22:00,422 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:22:00,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:22:00,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:22:00,422 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 20:22:00,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:22:00,423 INFO L85 PathProgramCache]: Analyzing trace with hash 612967497, now seen corresponding path program 1 times [2022-12-13 20:22:00,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:22:00,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484684786] [2022-12-13 20:22:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:22:00,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:22:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:22:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,475 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 20:22:00,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:22:00,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484684786] [2022-12-13 20:22:00,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484684786] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:22:00,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:22:00,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:22:00,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702861111] [2022-12-13 20:22:00,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:22:00,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:22:00,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:22:00,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:22:00,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:22:00,477 INFO L87 Difference]: Start difference. First operand 59 states and 78 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20:22:00,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:00,504 INFO L93 Difference]: Finished difference Result 107 states and 134 transitions. [2022-12-13 20:22:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:22:00,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 21 [2022-12-13 20:22:00,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:00,505 INFO L225 Difference]: With dead ends: 107 [2022-12-13 20:22:00,505 INFO L226 Difference]: Without dead ends: 80 [2022-12-13 20:22:00,506 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 20:22:00,507 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 25 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:00,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 130 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:22:00,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-12-13 20:22:00,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 62. [2022-12-13 20:22:00,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 56 states have internal predecessors, (62), 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 20:22:00,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 82 transitions. [2022-12-13 20:22:00,517 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 82 transitions. Word has length 21 [2022-12-13 20:22:00,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:22:00,518 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 82 transitions. [2022-12-13 20:22:00,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20:22:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-13 20:22:00,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 20:22:00,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:22:00,519 INFO L195 NwaCegarLoop]: trace histogram [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 20:22:00,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:22:00,520 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 20:22:00,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:22:00,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1822123333, now seen corresponding path program 1 times [2022-12-13 20:22:00,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:22:00,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293290565] [2022-12-13 20:22:00,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:22:00,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:22:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:22:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,582 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 20:22:00,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:22:00,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293290565] [2022-12-13 20:22:00,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293290565] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:22:00,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:22:00,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:22:00,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901020521] [2022-12-13 20:22:00,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:22:00,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:22:00,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:22:00,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:22:00,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:22:00,584 INFO L87 Difference]: Start difference. First operand 62 states and 82 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20:22:00,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:00,599 INFO L93 Difference]: Finished difference Result 80 states and 103 transitions. [2022-12-13 20:22:00,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:22:00,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 22 [2022-12-13 20:22:00,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:00,600 INFO L225 Difference]: With dead ends: 80 [2022-12-13 20:22:00,600 INFO L226 Difference]: Without dead ends: 79 [2022-12-13 20:22:00,600 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 20:22:00,601 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 19 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:00,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 149 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:22:00,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-12-13 20:22:00,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 61. [2022-12-13 20:22:00,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 55 states have internal predecessors, (61), 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 20:22:00,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2022-12-13 20:22:00,607 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 22 [2022-12-13 20:22:00,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:22:00,607 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2022-12-13 20:22:00,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20:22:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2022-12-13 20:22:00,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 20:22:00,608 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:22:00,608 INFO L195 NwaCegarLoop]: trace histogram [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 20:22:00,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:22:00,608 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 20:22:00,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:22:00,609 INFO L85 PathProgramCache]: Analyzing trace with hash -869928021, now seen corresponding path program 1 times [2022-12-13 20:22:00,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:22:00,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93207427] [2022-12-13 20:22:00,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:22:00,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:22:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:22:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,654 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 20:22:00,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:22:00,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93207427] [2022-12-13 20:22:00,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93207427] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:22:00,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:22:00,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:22:00,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223634635] [2022-12-13 20:22:00,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:22:00,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:22:00,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:22:00,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:22:00,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:22:00,656 INFO L87 Difference]: Start difference. First operand 61 states and 81 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 20:22:00,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:00,668 INFO L93 Difference]: Finished difference Result 61 states and 81 transitions. [2022-12-13 20:22:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:22:00,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 24 [2022-12-13 20:22:00,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:00,669 INFO L225 Difference]: With dead ends: 61 [2022-12-13 20:22:00,669 INFO L226 Difference]: Without dead ends: 60 [2022-12-13 20:22:00,670 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 20:22:00,670 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 12 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:00,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 115 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:22:00,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-13 20:22:00,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-12-13 20:22:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 54 states have internal predecessors, (60), 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 20:22:00,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 80 transitions. [2022-12-13 20:22:00,679 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 80 transitions. Word has length 24 [2022-12-13 20:22:00,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:22:00,679 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 80 transitions. [2022-12-13 20:22:00,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 20:22:00,680 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2022-12-13 20:22:00,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 20:22:00,680 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:22:00,680 INFO L195 NwaCegarLoop]: trace histogram [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 20:22:00,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:22:00,681 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 20:22:00,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:22:00,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1197964736, now seen corresponding path program 1 times [2022-12-13 20:22:00,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:22:00,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761314693] [2022-12-13 20:22:00,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:22:00,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:22:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:22:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,725 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 20:22:00,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:22:00,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761314693] [2022-12-13 20:22:00,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761314693] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:22:00,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:22:00,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:22:00,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441440103] [2022-12-13 20:22:00,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:22:00,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:22:00,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:22:00,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:22:00,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:22:00,727 INFO L87 Difference]: Start difference. First operand 60 states and 80 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 20:22:00,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:00,743 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2022-12-13 20:22:00,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:22:00,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 25 [2022-12-13 20:22:00,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:00,744 INFO L225 Difference]: With dead ends: 82 [2022-12-13 20:22:00,744 INFO L226 Difference]: Without dead ends: 73 [2022-12-13 20:22:00,745 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 20:22:00,745 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 8 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:00,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 129 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:22:00,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-13 20:22:00,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 64. [2022-12-13 20:22:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 57 states have internal predecessors, (64), 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 20:22:00,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 84 transitions. [2022-12-13 20:22:00,751 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 84 transitions. Word has length 25 [2022-12-13 20:22:00,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:22:00,751 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 84 transitions. [2022-12-13 20:22:00,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 20:22:00,751 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-12-13 20:22:00,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 20:22:00,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:22:00,752 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, 1, 1, 1, 1, 1] [2022-12-13 20:22:00,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:22:00,752 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 20:22:00,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:22:00,752 INFO L85 PathProgramCache]: Analyzing trace with hash 229647890, now seen corresponding path program 1 times [2022-12-13 20:22:00,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:22:00,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117412459] [2022-12-13 20:22:00,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:22:00,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:22:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:22:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 20:22:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,794 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 20:22:00,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:22:00,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117412459] [2022-12-13 20:22:00,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117412459] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:22:00,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:22:00,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:22:00,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920557006] [2022-12-13 20:22:00,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:22:00,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:22:00,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:22:00,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:22:00,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:22:00,795 INFO L87 Difference]: Start difference. First operand 64 states and 84 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:22:00,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:00,803 INFO L93 Difference]: Finished difference Result 102 states and 129 transitions. [2022-12-13 20:22:00,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:22:00,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2022-12-13 20:22:00,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:00,804 INFO L225 Difference]: With dead ends: 102 [2022-12-13 20:22:00,805 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 20:22:00,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 20:22:00,805 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:00,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 59 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:22:00,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 20:22:00,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 20:22:00,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 50 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:22:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-12-13 20:22:00,810 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 30 [2022-12-13 20:22:00,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:22:00,810 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2022-12-13 20:22:00,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:22:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-12-13 20:22:00,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 20:22:00,811 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:22:00,811 INFO L195 NwaCegarLoop]: trace histogram [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, 1] [2022-12-13 20:22:00,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 20:22:00,811 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 20:22:00,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:22:00,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1113802565, now seen corresponding path program 1 times [2022-12-13 20:22:00,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:22:00,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538681428] [2022-12-13 20:22:00,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:22:00,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:22:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:22:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:22:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,854 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 20:22:00,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:22:00,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538681428] [2022-12-13 20:22:00,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538681428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:22:00,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:22:00,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:22:00,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923229783] [2022-12-13 20:22:00,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:22:00,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:22:00,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:22:00,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:22:00,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:22:00,856 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 20:22:00,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:00,863 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2022-12-13 20:22:00,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:22:00,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 34 [2022-12-13 20:22:00,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:00,865 INFO L225 Difference]: With dead ends: 57 [2022-12-13 20:22:00,865 INFO L226 Difference]: Without dead ends: 56 [2022-12-13 20:22:00,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 20:22:00,866 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 2 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:00,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:22:00,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-13 20:22:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-12-13 20:22:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 45 states have (on average 1.2) internal successors, (54), 49 states have internal predecessors, (54), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:22:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2022-12-13 20:22:00,874 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 34 [2022-12-13 20:22:00,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:22:00,874 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2022-12-13 20:22:00,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 20:22:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-12-13 20:22:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 20:22:00,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:22:00,876 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2022-12-13 20:22:00,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 20:22:00,876 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 20:22:00,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:22:00,877 INFO L85 PathProgramCache]: Analyzing trace with hash -168140984, now seen corresponding path program 1 times [2022-12-13 20:22:00,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:22:00,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364038839] [2022-12-13 20:22:00,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:22:00,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:22:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:22:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:22:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:22:00,920 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 20:22:00,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:22:00,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364038839] [2022-12-13 20:22:00,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364038839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:22:00,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:22:00,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:22:00,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390062292] [2022-12-13 20:22:00,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:22:00,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:22:00,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:22:00,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:22:00,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:22:00,922 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 20:22:00,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:22:00,930 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2022-12-13 20:22:00,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:22:00,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 35 [2022-12-13 20:22:00,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:22:00,930 INFO L225 Difference]: With dead ends: 56 [2022-12-13 20:22:00,931 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:22:00,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 20:22:00,932 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:22:00,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:22:00,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:22:00,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:22:00,933 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 20:22:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:22:00,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-12-13 20:22:00,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:22:00,933 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:22:00,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 20:22:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:22:00,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:22:00,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 20:22:00,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 20:22:00,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 20:22:00,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 20:22:00,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 20:22:00,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 20:22:00,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 20:22:00,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 20:22:00,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 20:22:00,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:22:01,026 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 20:22:01,026 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 20:22:01,026 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 20:22:01,026 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 20:22:01,026 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 20:22:01,027 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 20:22:01,027 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 20:22:01,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-12-13 20:22:01,027 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1603) no Hoare annotation was computed. [2022-12-13 20:22:01,027 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1621) no Hoare annotation was computed. [2022-12-13 20:22:01,027 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= ~staticTrue~0 1)) [2022-12-13 20:22:01,027 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1667 1674) the Hoare annotation is: (= ~staticTrue~0 1) [2022-12-13 20:22:01,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1655) no Hoare annotation was computed. [2022-12-13 20:22:01,028 INFO L899 garLoopResultBuilder]: For program point L1638(line 1638) no Hoare annotation was computed. [2022-12-13 20:22:01,028 INFO L899 garLoopResultBuilder]: For program point L1638-1(line 1638) no Hoare annotation was computed. [2022-12-13 20:22:01,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-12-13 20:22:01,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:22:01,028 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= ~staticFalse~0 0) (= ~staticTrue~0 1)) [2022-12-13 20:22:01,028 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2022-12-13 20:22:01,028 INFO L899 garLoopResultBuilder]: For program point L1655(line 1655) no Hoare annotation was computed. [2022-12-13 20:22:01,028 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1642) no Hoare annotation was computed. [2022-12-13 20:22:01,028 INFO L899 garLoopResultBuilder]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2022-12-13 20:22:01,028 INFO L899 garLoopResultBuilder]: For program point L1647(lines 1647 1650) no Hoare annotation was computed. [2022-12-13 20:22:01,028 INFO L899 garLoopResultBuilder]: For program point L1647-2(lines 1644 1659) no Hoare annotation was computed. [2022-12-13 20:22:01,029 INFO L895 garLoopResultBuilder]: At program point L1672(line 1672) the Hoare annotation is: (= ~staticTrue~0 1) [2022-12-13 20:22:01,029 INFO L895 garLoopResultBuilder]: At program point L1639(line 1639) the Hoare annotation is: (and (= ~staticFalse~0 0) (= ~staticTrue~0 1) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 20:22:01,029 INFO L899 garLoopResultBuilder]: For program point L1672-1(line 1672) no Hoare annotation was computed. [2022-12-13 20:22:01,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-12-13 20:22:01,029 INFO L895 garLoopResultBuilder]: At program point L1656(line 1656) the Hoare annotation is: (= ~staticTrue~0 1) [2022-12-13 20:22:01,029 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:22:01,029 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1585) no Hoare annotation was computed. [2022-12-13 20:22:01,029 INFO L899 garLoopResultBuilder]: For program point L1574-1(lines 1550 1587) no Hoare annotation was computed. [2022-12-13 20:22:01,029 INFO L899 garLoopResultBuilder]: For program point L1558(lines 1558 1565) no Hoare annotation was computed. [2022-12-13 20:22:01,029 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~staticTrue~0 1)) [2022-12-13 20:22:01,029 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1619) no Hoare annotation was computed. [2022-12-13 20:22:01,030 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1605) no Hoare annotation was computed. [2022-12-13 20:22:01,030 INFO L899 garLoopResultBuilder]: For program point L1592-2(lines 1589 1621) no Hoare annotation was computed. [2022-12-13 20:22:01,030 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= ~staticTrue~0 1)) [2022-12-13 20:22:01,030 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1584) no Hoare annotation was computed. [2022-12-13 20:22:01,030 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:22:01,030 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1638) no Hoare annotation was computed. [2022-12-13 20:22:01,030 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1633) no Hoare annotation was computed. [2022-12-13 20:22:01,030 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 1623 1642) no Hoare annotation was computed. [2022-12-13 20:22:01,030 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1659) no Hoare annotation was computed. [2022-12-13 20:22:01,030 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 1618) no Hoare annotation was computed. [2022-12-13 20:22:01,030 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (= ~staticTrue~0 1)) [2022-12-13 20:22:01,031 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 1596 1603) no Hoare annotation was computed. [2022-12-13 20:22:01,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:22:01,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1638) no Hoare annotation was computed. [2022-12-13 20:22:01,031 INFO L899 garLoopResultBuilder]: For program point L1660(lines 1660 1666) no Hoare annotation was computed. [2022-12-13 20:22:01,031 INFO L899 garLoopResultBuilder]: For program point L1578(line 1578) no Hoare annotation was computed. [2022-12-13 20:22:01,031 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2022-12-13 20:22:01,031 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1640) no Hoare annotation was computed. [2022-12-13 20:22:01,031 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: false [2022-12-13 20:22:01,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-12-13 20:22:01,031 INFO L895 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: false [2022-12-13 20:22:01,031 INFO L899 garLoopResultBuilder]: For program point L1653(lines 1653 1657) no Hoare annotation was computed. [2022-12-13 20:22:01,032 INFO L899 garLoopResultBuilder]: For program point L1554(lines 1554 1567) no Hoare annotation was computed. [2022-12-13 20:22:01,032 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1587) no Hoare annotation was computed. [2022-12-13 20:22:01,032 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-12-13 20:22:01,032 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= ~staticFalse~0 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~staticTrue~0 1)) [2022-12-13 20:22:01,032 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2022-12-13 20:22:01,032 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1655) no Hoare annotation was computed. [2022-12-13 20:22:01,032 INFO L895 garLoopResultBuilder]: At program point L1670(line 1670) the Hoare annotation is: (and (= ~staticFalse~0 0) (= ~staticTrue~0 1)) [2022-12-13 20:22:01,032 INFO L899 garLoopResultBuilder]: For program point L1670-1(line 1670) no Hoare annotation was computed. [2022-12-13 20:22:01,035 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:22:01,036 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:22:01,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:22:01 BoogieIcfgContainer [2022-12-13 20:22:01,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:22:01,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:22:01,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:22:01,048 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:22:01,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:21:59" (3/4) ... [2022-12-13 20:22:01,051 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:22:01,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 20:22:01,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 20:22:01,061 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 20:22:01,066 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 20:22:01,066 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 20:22:01,066 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:22:01,067 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:22:01,095 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:22:01,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:22:01,096 INFO L158 Benchmark]: Toolchain (without parser) took 2775.58ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 86.2MB in the beginning and 124.8MB in the end (delta: -38.6MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2022-12-13 20:22:01,096 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:22:01,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 954.49ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 86.2MB in the beginning and 101.4MB in the end (delta: -15.2MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2022-12-13 20:22:01,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.91ms. Allocated memory is still 163.6MB. Free memory was 101.4MB in the beginning and 98.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:22:01,096 INFO L158 Benchmark]: Boogie Preprocessor took 18.60ms. Allocated memory is still 163.6MB. Free memory was 98.0MB in the beginning and 96.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:22:01,097 INFO L158 Benchmark]: RCFGBuilder took 351.94ms. Allocated memory is still 163.6MB. Free memory was 96.1MB in the beginning and 79.3MB in the end (delta: 16.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:22:01,097 INFO L158 Benchmark]: TraceAbstraction took 1357.87ms. Allocated memory is still 163.6MB. Free memory was 78.4MB in the beginning and 48.6MB in the end (delta: 29.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-12-13 20:22:01,097 INFO L158 Benchmark]: Witness Printer took 47.78ms. Allocated memory is still 163.6MB. Free memory was 48.6MB in the beginning and 124.8MB in the end (delta: -76.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:22:01,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 954.49ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 86.2MB in the beginning and 101.4MB in the end (delta: -15.2MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.91ms. Allocated memory is still 163.6MB. Free memory was 101.4MB in the beginning and 98.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.60ms. Allocated memory is still 163.6MB. Free memory was 98.0MB in the beginning and 96.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.94ms. Allocated memory is still 163.6MB. Free memory was 96.1MB in the beginning and 79.3MB in the end (delta: 16.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1357.87ms. Allocated memory is still 163.6MB. Free memory was 78.4MB in the beginning and 48.6MB in the end (delta: 29.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Witness Printer took 47.78ms. Allocated memory is still 163.6MB. Free memory was 48.6MB in the beginning and 124.8MB in the end (delta: -76.2MB). 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: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: 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, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 291 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 265 mSDsluCounter, 1200 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 469 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 731 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 110 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 48 PreInvPairs, 57 NumberOfFragments, 114 HoareAnnotationTreeSize, 48 FomulaSimplifications, 373 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 4/4 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: 1667]: Loop Invariant Derived loop invariant: staticTrue == 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 20:22:01,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abd5380-537c-4c84-a155-0a6f39a91bb5/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