./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro --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 2f8593d891a21a4a67b1d06008385927ca162e91057fc807b488b026b85aec37 --- 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-8393723 [2022-11-18 18:26:52,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:26:52,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:26:52,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:26:52,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:26:52,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:26:52,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:26:52,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:26:52,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:26:52,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:26:52,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:26:52,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:26:52,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:26:52,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:26:52,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:26:52,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:26:52,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:26:52,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:26:52,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:26:52,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:26:52,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:26:52,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:26:52,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:26:52,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:26:52,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:26:52,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:26:52,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:26:52,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:26:52,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:26:52,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:26:52,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:26:52,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:26:52,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:26:52,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:26:52,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:26:52,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:26:52,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:26:52,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:26:52,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:26:52,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:26:52,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:26:52,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 18:26:52,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:26:52,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:26:52,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:26:52,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:26:52,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:26:52,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:26:52,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:26:52,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:26:52,331 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:26:52,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:26:52,332 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:26:52,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:26:52,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:26:52,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:26:52,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:26:52,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:26:52,333 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 18:26:52,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:26:52,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:26:52,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:26:52,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:26:52,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:26:52,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:26:52,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:26:52,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:26:52,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:26:52,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:26:52,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:26:52,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:26:52,336 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:26:52,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:26:52,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:26:52,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f8593d891a21a4a67b1d06008385927ca162e91057fc807b488b026b85aec37 [2022-11-18 18:26:52,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:26:52,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:26:52,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:26:52,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:26:52,716 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:26:52,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_good.i [2022-11-18 18:26:52,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/data/ee430d558/9e94f27f697f45dda0a48169f4e35d27/FLAG45a5aa6c7 [2022-11-18 18:26:53,469 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:26:53,470 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_good.i [2022-11-18 18:26:53,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/data/ee430d558/9e94f27f697f45dda0a48169f4e35d27/FLAG45a5aa6c7 [2022-11-18 18:26:53,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/data/ee430d558/9e94f27f697f45dda0a48169f4e35d27 [2022-11-18 18:26:53,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:26:53,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:26:53,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:26:53,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:26:53,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:26:53,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:26:53" (1/1) ... [2022-11-18 18:26:53,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48363662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:53, skipping insertion in model container [2022-11-18 18:26:53,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:26:53" (1/1) ... [2022-11-18 18:26:53,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:26:53,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:26:54,090 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 18:26:54,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:26:54,625 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:26:54,661 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 18:26:54,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:26:54,892 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:26:54,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54 WrapperNode [2022-11-18 18:26:54,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:26:54,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:26:54,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:26:54,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:26:54,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:54,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:54,989 INFO L138 Inliner]: procedures = 503, calls = 81, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 185 [2022-11-18 18:26:54,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:26:54,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:26:54,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:26:54,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:26:55,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:55,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:55,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:55,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:55,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:55,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:55,043 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:55,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:55,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:26:55,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:26:55,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:26:55,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:26:55,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (1/1) ... [2022-11-18 18:26:55,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:26:55,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:55,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:26:55,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:26:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-18 18:26:55,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-18 18:26:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 18:26:55,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 18:26:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:26:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:26:55,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:26:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 18:26:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:26:55,354 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:26:55,357 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:26:55,739 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:26:55,746 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:26:55,755 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:26:55,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:26:55 BoogieIcfgContainer [2022-11-18 18:26:55,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:26:55,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:26:55,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:26:55,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:26:55,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:26:53" (1/3) ... [2022-11-18 18:26:55,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7705f56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:26:55, skipping insertion in model container [2022-11-18 18:26:55,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:54" (2/3) ... [2022-11-18 18:26:55,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7705f56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:26:55, skipping insertion in model container [2022-11-18 18:26:55,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:26:55" (3/3) ... [2022-11-18 18:26:55,774 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_15_good.i [2022-11-18 18:26:55,799 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:26:55,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 18:26:55,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:26:55,870 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;@19181aa0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:26:55,870 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 18:26:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 58 states have (on average 1.5689655172413792) internal successors, (91), 80 states have internal predecessors, (91), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-18 18:26:55,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 18:26:55,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:55,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:55,885 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)] === [2022-11-18 18:26:55,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:55,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1233569288, now seen corresponding path program 1 times [2022-11-18 18:26:55,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:55,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607047448] [2022-11-18 18:26:55,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:55,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:56,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:56,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607047448] [2022-11-18 18:26:56,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607047448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:56,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:56,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:56,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143915852] [2022-11-18 18:26:56,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:56,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:56,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:56,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:56,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:56,212 INFO L87 Difference]: Start difference. First operand has 85 states, 58 states have (on average 1.5689655172413792) internal successors, (91), 80 states have internal predecessors, (91), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 4.666666666666667) 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) [2022-11-18 18:26:56,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:56,288 INFO L93 Difference]: Finished difference Result 161 states and 232 transitions. [2022-11-18 18:26:56,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:56,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) 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 [2022-11-18 18:26:56,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:56,303 INFO L225 Difference]: With dead ends: 161 [2022-11-18 18:26:56,308 INFO L226 Difference]: Without dead ends: 72 [2022-11-18 18:26:56,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:56,320 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 4 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:56,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 229 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:56,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-18 18:26:56,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-18 18:26:56,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.54) internal successors, (77), 68 states have internal predecessors, (77), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 18:26:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2022-11-18 18:26:56,390 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 16 [2022-11-18 18:26:56,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:56,392 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2022-11-18 18:26:56,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) 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) [2022-11-18 18:26:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2022-11-18 18:26:56,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-18 18:26:56,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:56,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:56,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:26:56,398 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)] === [2022-11-18 18:26:56,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:56,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1225464217, now seen corresponding path program 1 times [2022-11-18 18:26:56,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:56,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341139652] [2022-11-18 18:26:56,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:56,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:56,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:56,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:56,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341139652] [2022-11-18 18:26:56,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341139652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:56,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:56,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:26:56,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320294579] [2022-11-18 18:26:56,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:56,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:56,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:56,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:56,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:56,550 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-18 18:26:56,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:56,601 INFO L93 Difference]: Finished difference Result 118 states and 168 transitions. [2022-11-18 18:26:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:56,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 17 [2022-11-18 18:26:56,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:56,604 INFO L225 Difference]: With dead ends: 118 [2022-11-18 18:26:56,604 INFO L226 Difference]: Without dead ends: 117 [2022-11-18 18:26:56,605 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 [2022-11-18 18:26:56,606 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 55 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:56,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 259 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:56,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-18 18:26:56,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 71. [2022-11-18 18:26:56,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.52) internal successors, (76), 67 states have internal predecessors, (76), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 18:26:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2022-11-18 18:26:56,619 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 17 [2022-11-18 18:26:56,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:56,620 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2022-11-18 18:26:56,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-18 18:26:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2022-11-18 18:26:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-18 18:26:56,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:56,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:56,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:26:56,622 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)] === [2022-11-18 18:26:56,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:56,623 INFO L85 PathProgramCache]: Analyzing trace with hash 665315020, now seen corresponding path program 1 times [2022-11-18 18:26:56,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:56,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171327661] [2022-11-18 18:26:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:56,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:56,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:56,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171327661] [2022-11-18 18:26:56,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171327661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:56,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:56,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:26:56,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892581916] [2022-11-18 18:26:56,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:56,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:56,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:56,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:56,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:56,732 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-18 18:26:56,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:56,760 INFO L93 Difference]: Finished difference Result 117 states and 167 transitions. [2022-11-18 18:26:56,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:56,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18 [2022-11-18 18:26:56,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:56,763 INFO L225 Difference]: With dead ends: 117 [2022-11-18 18:26:56,763 INFO L226 Difference]: Without dead ends: 116 [2022-11-18 18:26:56,764 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 [2022-11-18 18:26:56,765 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 55 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:56,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 259 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:56,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-18 18:26:56,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 70. [2022-11-18 18:26:56,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.5) internal successors, (75), 66 states have internal predecessors, (75), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 18:26:56,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2022-11-18 18:26:56,779 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 18 [2022-11-18 18:26:56,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:56,779 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2022-11-18 18:26:56,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-18 18:26:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2022-11-18 18:26:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 18:26:56,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:56,781 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] [2022-11-18 18:26:56,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:26:56,781 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)] === [2022-11-18 18:26:56,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:56,782 INFO L85 PathProgramCache]: Analyzing trace with hash -896701737, now seen corresponding path program 1 times [2022-11-18 18:26:56,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:56,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823877570] [2022-11-18 18:26:56,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:56,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:56,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:56,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:56,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823877570] [2022-11-18 18:26:56,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823877570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:56,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:56,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:56,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584070405] [2022-11-18 18:26:56,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:56,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:56,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:56,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:56,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:56,857 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-11-18 18:26:56,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:56,874 INFO L93 Difference]: Finished difference Result 123 states and 172 transitions. [2022-11-18 18:26:56,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:56,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 23 [2022-11-18 18:26:56,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:56,881 INFO L225 Difference]: With dead ends: 123 [2022-11-18 18:26:56,881 INFO L226 Difference]: Without dead ends: 70 [2022-11-18 18:26:56,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:56,883 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 7 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:56,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 180 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:56,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-18 18:26:56,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-18 18:26:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.48) internal successors, (74), 66 states have internal predecessors, (74), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 18:26:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2022-11-18 18:26:56,899 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 23 [2022-11-18 18:26:56,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:56,900 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2022-11-18 18:26:56,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-11-18 18:26:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2022-11-18 18:26:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 18:26:56,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:56,903 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] [2022-11-18 18:26:56,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:26:56,903 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:56,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:56,905 INFO L85 PathProgramCache]: Analyzing trace with hash -675215489, now seen corresponding path program 1 times [2022-11-18 18:26:56,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:56,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615166605] [2022-11-18 18:26:56,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:56,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:57,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:57,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615166605] [2022-11-18 18:26:57,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615166605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:57,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:57,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:57,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447664378] [2022-11-18 18:26:57,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:57,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:57,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:57,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:57,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:57,032 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) 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) [2022-11-18 18:26:57,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:57,054 INFO L93 Difference]: Finished difference Result 116 states and 160 transitions. [2022-11-18 18:26:57,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:57,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) 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 [2022-11-18 18:26:57,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:57,061 INFO L225 Difference]: With dead ends: 116 [2022-11-18 18:26:57,064 INFO L226 Difference]: Without dead ends: 68 [2022-11-18 18:26:57,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:57,066 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 4 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:57,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 179 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:57,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-18 18:26:57,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-18 18:26:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 64 states have internal predecessors, (71), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 18:26:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 93 transitions. [2022-11-18 18:26:57,078 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 93 transitions. Word has length 24 [2022-11-18 18:26:57,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:57,078 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 93 transitions. [2022-11-18 18:26:57,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) 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) [2022-11-18 18:26:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-11-18 18:26:57,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 18:26:57,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:57,080 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] [2022-11-18 18:26:57,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:26:57,081 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:57,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:57,081 INFO L85 PathProgramCache]: Analyzing trace with hash -311531353, now seen corresponding path program 1 times [2022-11-18 18:26:57,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:57,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597151605] [2022-11-18 18:26:57,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:57,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:57,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:57,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597151605] [2022-11-18 18:26:57,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597151605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:57,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:57,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:26:57,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001836719] [2022-11-18 18:26:57,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:57,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:57,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:57,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:57,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:57,180 INFO L87 Difference]: Start difference. First operand 68 states and 93 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) [2022-11-18 18:26:57,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:57,202 INFO L93 Difference]: Finished difference Result 95 states and 130 transitions. [2022-11-18 18:26:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:57,202 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 [2022-11-18 18:26:57,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:57,204 INFO L225 Difference]: With dead ends: 95 [2022-11-18 18:26:57,204 INFO L226 Difference]: Without dead ends: 94 [2022-11-18 18:26:57,204 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 [2022-11-18 18:26:57,205 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 33 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:57,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 209 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:57,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-18 18:26:57,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 67. [2022-11-18 18:26:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 63 states have internal predecessors, (70), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 18:26:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2022-11-18 18:26:57,214 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 25 [2022-11-18 18:26:57,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:57,215 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2022-11-18 18:26:57,215 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) [2022-11-18 18:26:57,215 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2022-11-18 18:26:57,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 18:26:57,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:57,216 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] [2022-11-18 18:26:57,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:26:57,217 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:57,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:57,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1067537221, now seen corresponding path program 1 times [2022-11-18 18:26:57,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:57,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799105470] [2022-11-18 18:26:57,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:57,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:57,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:57,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799105470] [2022-11-18 18:26:57,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799105470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:57,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:57,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:26:57,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014562519] [2022-11-18 18:26:57,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:57,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:57,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:57,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:57,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:57,335 INFO L87 Difference]: Start difference. First operand 67 states and 92 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-18 18:26:57,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:57,364 INFO L93 Difference]: Finished difference Result 94 states and 129 transitions. [2022-11-18 18:26:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:57,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 26 [2022-11-18 18:26:57,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:57,366 INFO L225 Difference]: With dead ends: 94 [2022-11-18 18:26:57,367 INFO L226 Difference]: Without dead ends: 93 [2022-11-18 18:26:57,367 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 [2022-11-18 18:26:57,375 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 33 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:57,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 172 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:57,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-18 18:26:57,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 66. [2022-11-18 18:26:57,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 62 states have internal predecessors, (69), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 18:26:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 91 transitions. [2022-11-18 18:26:57,388 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 91 transitions. Word has length 26 [2022-11-18 18:26:57,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:57,388 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 91 transitions. [2022-11-18 18:26:57,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-18 18:26:57,389 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2022-11-18 18:26:57,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 18:26:57,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:57,390 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] [2022-11-18 18:26:57,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:26:57,390 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:57,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:57,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1431522045, now seen corresponding path program 1 times [2022-11-18 18:26:57,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:57,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586295974] [2022-11-18 18:26:57,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:57,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:57,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:57,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586295974] [2022-11-18 18:26:57,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586295974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:57,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:57,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:26:57,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073202658] [2022-11-18 18:26:57,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:57,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:57,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:57,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:57,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:57,495 INFO L87 Difference]: Start difference. First operand 66 states and 91 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-18 18:26:57,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:57,546 INFO L93 Difference]: Finished difference Result 103 states and 138 transitions. [2022-11-18 18:26:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:57,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 31 [2022-11-18 18:26:57,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:57,557 INFO L225 Difference]: With dead ends: 103 [2022-11-18 18:26:57,557 INFO L226 Difference]: Without dead ends: 86 [2022-11-18 18:26:57,558 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 [2022-11-18 18:26:57,561 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 18 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:57,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 173 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:57,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-18 18:26:57,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 70. [2022-11-18 18:26:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 66 states have internal predecessors, (74), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 18:26:57,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2022-11-18 18:26:57,569 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 31 [2022-11-18 18:26:57,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:57,569 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2022-11-18 18:26:57,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-18 18:26:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2022-11-18 18:26:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 18:26:57,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:57,571 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] [2022-11-18 18:26:57,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:26:57,577 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:57,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:57,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1433369087, now seen corresponding path program 1 times [2022-11-18 18:26:57,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:57,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114863996] [2022-11-18 18:26:57,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:57,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:57,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:57,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114863996] [2022-11-18 18:26:57,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114863996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:57,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:57,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:57,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029682874] [2022-11-18 18:26:57,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:57,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:57,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:57,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:57,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:57,679 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-18 18:26:57,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:57,701 INFO L93 Difference]: Finished difference Result 99 states and 131 transitions. [2022-11-18 18:26:57,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:57,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 31 [2022-11-18 18:26:57,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:57,704 INFO L225 Difference]: With dead ends: 99 [2022-11-18 18:26:57,704 INFO L226 Difference]: Without dead ends: 70 [2022-11-18 18:26:57,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:57,707 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 173 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 [2022-11-18 18:26:57,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 173 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:57,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-18 18:26:57,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-18 18:26:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 65 states have internal predecessors, (73), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 18:26:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 95 transitions. [2022-11-18 18:26:57,728 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 95 transitions. Word has length 31 [2022-11-18 18:26:57,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:57,730 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 95 transitions. [2022-11-18 18:26:57,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-18 18:26:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2022-11-18 18:26:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-18 18:26:57,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:57,737 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] [2022-11-18 18:26:57,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:26:57,737 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:57,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:57,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1427510608, now seen corresponding path program 1 times [2022-11-18 18:26:57,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:57,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295925703] [2022-11-18 18:26:57,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:57,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:57,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:57,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295925703] [2022-11-18 18:26:57,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295925703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:57,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:57,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:26:57,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377453994] [2022-11-18 18:26:57,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:57,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:57,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:57,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:57,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:57,851 INFO L87 Difference]: Start difference. First operand 70 states and 95 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, (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) [2022-11-18 18:26:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:57,881 INFO L93 Difference]: Finished difference Result 70 states and 95 transitions. [2022-11-18 18:26:57,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:57,882 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, (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 32 [2022-11-18 18:26:57,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:57,883 INFO L225 Difference]: With dead ends: 70 [2022-11-18 18:26:57,883 INFO L226 Difference]: Without dead ends: 69 [2022-11-18 18:26:57,883 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 [2022-11-18 18:26:57,884 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 20 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 143 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 [2022-11-18 18:26:57,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 143 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:57,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-18 18:26:57,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-18 18:26:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 64 states have internal predecessors, (72), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 18:26:57,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2022-11-18 18:26:57,891 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 32 [2022-11-18 18:26:57,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:57,892 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2022-11-18 18:26:57,892 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, (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) [2022-11-18 18:26:57,892 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2022-11-18 18:26:57,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-18 18:26:57,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:57,893 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, 1, 1, 1, 1, 1] [2022-11-18 18:26:57,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:26:57,894 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:57,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:57,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1831332604, now seen corresponding path program 1 times [2022-11-18 18:26:57,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:57,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682596221] [2022-11-18 18:26:57,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:57,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:26:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 18:26:57,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:57,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682596221] [2022-11-18 18:26:57,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682596221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:57,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:57,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:57,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209936538] [2022-11-18 18:26:57,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:57,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:57,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:57,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:57,967 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-18 18:26:57,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:57,984 INFO L93 Difference]: Finished difference Result 92 states and 121 transitions. [2022-11-18 18:26:57,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:57,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 35 [2022-11-18 18:26:57,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:57,986 INFO L225 Difference]: With dead ends: 92 [2022-11-18 18:26:57,986 INFO L226 Difference]: Without dead ends: 63 [2022-11-18 18:26:57,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:57,989 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:57,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:57,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-18 18:26:58,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-18 18:26:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 59 states have internal predecessors, (64), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 18:26:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 84 transitions. [2022-11-18 18:26:58,006 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 84 transitions. Word has length 35 [2022-11-18 18:26:58,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:58,007 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 84 transitions. [2022-11-18 18:26:58,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-18 18:26:58,007 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-18 18:26:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-18 18:26:58,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:58,011 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, 1, 1] [2022-11-18 18:26:58,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 18:26:58,012 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:58,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:58,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1092680434, now seen corresponding path program 1 times [2022-11-18 18:26:58,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:58,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015509062] [2022-11-18 18:26:58,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:58,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:58,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:58,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015509062] [2022-11-18 18:26:58,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015509062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:58,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:58,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:58,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313064908] [2022-11-18 18:26:58,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:58,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:58,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:58,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:58,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:58,088 INFO L87 Difference]: Start difference. First operand 63 states and 84 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-11-18 18:26:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:58,100 INFO L93 Difference]: Finished difference Result 79 states and 102 transitions. [2022-11-18 18:26:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:58,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 37 [2022-11-18 18:26:58,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:58,104 INFO L225 Difference]: With dead ends: 79 [2022-11-18 18:26:58,104 INFO L226 Difference]: Without dead ends: 61 [2022-11-18 18:26:58,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:58,105 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 4 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 149 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 [2022-11-18 18:26:58,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 149 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:58,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-18 18:26:58,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-18 18:26:58,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 56 states have internal predecessors, (61), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 18:26:58,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 79 transitions. [2022-11-18 18:26:58,121 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 79 transitions. Word has length 37 [2022-11-18 18:26:58,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:58,122 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 79 transitions. [2022-11-18 18:26:58,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-11-18 18:26:58,122 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2022-11-18 18:26:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-18 18:26:58,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:58,125 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:58,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 18:26:58,126 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:58,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:58,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1275806093, now seen corresponding path program 1 times [2022-11-18 18:26:58,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:58,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135783526] [2022-11-18 18:26:58,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:58,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 18:26:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:58,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:58,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135783526] [2022-11-18 18:26:58,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135783526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:58,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:58,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:26:58,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873133750] [2022-11-18 18:26:58,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:58,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:58,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:58,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:58,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:58,235 INFO L87 Difference]: Start difference. First operand 61 states and 79 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-18 18:26:58,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:58,248 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2022-11-18 18:26:58,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:58,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 43 [2022-11-18 18:26:58,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:58,250 INFO L225 Difference]: With dead ends: 67 [2022-11-18 18:26:58,250 INFO L226 Difference]: Without dead ends: 66 [2022-11-18 18:26:58,250 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 [2022-11-18 18:26:58,251 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 2 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:58,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:58,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-18 18:26:58,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2022-11-18 18:26:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 52 states have (on average 1.25) internal successors, (65), 60 states have internal predecessors, (65), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 18:26:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2022-11-18 18:26:58,257 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 43 [2022-11-18 18:26:58,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:58,257 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2022-11-18 18:26:58,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-18 18:26:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-11-18 18:26:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-18 18:26:58,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:58,258 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:58,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 18:26:58,259 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:58,260 INFO L85 PathProgramCache]: Analyzing trace with hash -895283007, now seen corresponding path program 1 times [2022-11-18 18:26:58,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:58,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468716176] [2022-11-18 18:26:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:58,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 18:26:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:58,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:58,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468716176] [2022-11-18 18:26:58,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468716176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:58,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:58,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:26:58,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641132590] [2022-11-18 18:26:58,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:58,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:58,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:58,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:58,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:58,330 INFO L87 Difference]: Start difference. First operand 65 states and 83 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-18 18:26:58,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:58,339 INFO L93 Difference]: Finished difference Result 65 states and 83 transitions. [2022-11-18 18:26:58,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:58,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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 44 [2022-11-18 18:26:58,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:58,340 INFO L225 Difference]: With dead ends: 65 [2022-11-18 18:26:58,341 INFO L226 Difference]: Without dead ends: 59 [2022-11-18 18:26:58,341 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 [2022-11-18 18:26:58,342 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 4 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 142 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 [2022-11-18 18:26:58,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 142 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:58,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-18 18:26:58,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-18 18:26:58,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 54 states have internal predecessors, (58), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 18:26:58,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2022-11-18 18:26:58,347 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 44 [2022-11-18 18:26:58,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:58,347 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2022-11-18 18:26:58,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-18 18:26:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-11-18 18:26:58,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-18 18:26:58,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:58,349 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:58,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:26:58,349 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:26:58,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:58,350 INFO L85 PathProgramCache]: Analyzing trace with hash -839964067, now seen corresponding path program 1 times [2022-11-18 18:26:58,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:58,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289210028] [2022-11-18 18:26:58,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:26:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 18:26:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:58,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:58,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289210028] [2022-11-18 18:26:58,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289210028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:58,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:58,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:58,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408098403] [2022-11-18 18:26:58,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:58,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:58,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:58,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:58,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:58,410 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-18 18:26:58,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:58,413 INFO L93 Difference]: Finished difference Result 63 states and 80 transitions. [2022-11-18 18:26:58,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:58,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 44 [2022-11-18 18:26:58,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:58,414 INFO L225 Difference]: With dead ends: 63 [2022-11-18 18:26:58,414 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:26:58,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:58,415 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:58,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:26:58,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:26:58,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:26:58,417 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) [2022-11-18 18:26:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:26:58,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2022-11-18 18:26:58,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:58,418 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:26:58,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-18 18:26:58,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:26:58,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:26:58,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 18:26:58,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 18:26:58,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 18:26:58,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 18:26:58,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 18:26:58,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 18:26:58,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 18:26:58,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 18:26:58,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 18:26:58,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 18:26:58,518 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-18 18:26:58,518 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 18:26:58,518 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-18 18:26:58,518 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 18:26:58,518 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 18:26:58,519 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-18 18:26:58,519 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 18:26:58,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2022-11-18 18:26:58,519 INFO L902 garLoopResultBuilder]: At program point L1662(line 1662) the Hoare annotation is: true [2022-11-18 18:26:58,519 INFO L895 garLoopResultBuilder]: At program point L1629(lines 1629 1641) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch113#1| (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-11-18 18:26:58,520 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-11-18 18:26:58,520 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-18 18:26:58,520 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-18 18:26:58,520 INFO L899 garLoopResultBuilder]: For program point L1555-2(line 1555) no Hoare annotation was computed. [2022-11-18 18:26:58,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1661) no Hoare annotation was computed. [2022-11-18 18:26:58,520 INFO L899 garLoopResultBuilder]: For program point L1638(line 1638) no Hoare annotation was computed. [2022-11-18 18:26:58,521 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) |ULTIMATE.start_goodB2G1_#t~switch101#1| (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0)) [2022-11-18 18:26:58,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2022-11-18 18:26:58,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 18:26:58,521 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-18 18:26:58,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 18:26:58,522 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch101#1| [2022-11-18 18:26:58,522 INFO L899 garLoopResultBuilder]: For program point L1622(line 1622) no Hoare annotation was computed. [2022-11-18 18:26:58,522 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-11-18 18:26:58,522 INFO L899 garLoopResultBuilder]: For program point L1589-2(line 1589) no Hoare annotation was computed. [2022-11-18 18:26:58,522 INFO L902 garLoopResultBuilder]: At program point L1680(line 1680) the Hoare annotation is: true [2022-11-18 18:26:58,522 INFO L899 garLoopResultBuilder]: For program point L1680-1(line 1680) no Hoare annotation was computed. [2022-11-18 18:26:58,523 INFO L895 garLoopResultBuilder]: At program point L1647(lines 1647 1655) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2))) (and (<= 0 .cse0) (<= .cse0 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)))) [2022-11-18 18:26:58,523 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1581) no Hoare annotation was computed. [2022-11-18 18:26:58,523 INFO L895 garLoopResultBuilder]: At program point L1639(line 1639) the Hoare annotation is: false [2022-11-18 18:26:58,523 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2022-11-18 18:26:58,523 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-11-18 18:26:58,524 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1609) no Hoare annotation was computed. [2022-11-18 18:26:58,524 INFO L902 garLoopResultBuilder]: At program point L1656(lines 1656 1668) the Hoare annotation is: true [2022-11-18 18:26:58,524 INFO L895 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: false [2022-11-18 18:26:58,524 INFO L899 garLoopResultBuilder]: For program point L1557(line 1557) no Hoare annotation was computed. [2022-11-18 18:26:58,524 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1615) no Hoare annotation was computed. [2022-11-18 18:26:58,525 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) [2022-11-18 18:26:58,525 INFO L899 garLoopResultBuilder]: For program point L1665(line 1665) no Hoare annotation was computed. [2022-11-18 18:26:58,525 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1636) no Hoare annotation was computed. [2022-11-18 18:26:58,525 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-18 18:26:58,525 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-18 18:26:58,525 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-11-18 18:26:58,526 INFO L902 garLoopResultBuilder]: At program point L1682(line 1682) the Hoare annotation is: true [2022-11-18 18:26:58,526 INFO L899 garLoopResultBuilder]: For program point L1649(line 1649) no Hoare annotation was computed. [2022-11-18 18:26:58,526 INFO L899 garLoopResultBuilder]: For program point L1682-1(line 1682) no Hoare annotation was computed. [2022-11-18 18:26:58,526 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1642) no Hoare annotation was computed. [2022-11-18 18:26:58,526 INFO L902 garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: true [2022-11-18 18:26:58,526 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1608) no Hoare annotation was computed. [2022-11-18 18:26:58,527 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1578) no Hoare annotation was computed. [2022-11-18 18:26:58,527 INFO L899 garLoopResultBuilder]: For program point L1658(line 1658) no Hoare annotation was computed. [2022-11-18 18:26:58,527 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-11-18 18:26:58,527 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: false [2022-11-18 18:26:58,527 INFO L902 garLoopResultBuilder]: At program point L1683(lines 1677 1684) the Hoare annotation is: true [2022-11-18 18:26:58,527 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch101#1| (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0)) [2022-11-18 18:26:58,528 INFO L899 garLoopResultBuilder]: For program point L1634(line 1634) no Hoare annotation was computed. [2022-11-18 18:26:58,528 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2022-11-18 18:26:58,528 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 18:26:58,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2022-11-18 18:26:58,528 INFO L899 garLoopResultBuilder]: For program point L1659(lines 1659 1663) no Hoare annotation was computed. [2022-11-18 18:26:58,528 INFO L895 garLoopResultBuilder]: At program point L1552(lines 1552 1560) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch92#1| [2022-11-18 18:26:58,529 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1669) no Hoare annotation was computed. [2022-11-18 18:26:58,529 INFO L895 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch113#1| (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-11-18 18:26:58,529 INFO L899 garLoopResultBuilder]: For program point L1602(line 1602) no Hoare annotation was computed. [2022-11-18 18:26:58,529 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1577) no Hoare annotation was computed. [2022-11-18 18:26:58,529 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2022-11-18 18:26:58,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 18:26:58,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2022-11-18 18:26:58,530 INFO L895 garLoopResultBuilder]: At program point L1561(lines 1561 1580) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch101#1| [2022-11-18 18:26:58,530 INFO L899 garLoopResultBuilder]: For program point L1652(line 1652) no Hoare annotation was computed. [2022-11-18 18:26:58,530 INFO L895 garLoopResultBuilder]: At program point L1586(lines 1586 1594) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch102#1| [2022-11-18 18:26:58,530 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-11-18 18:26:58,531 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0)) [2022-11-18 18:26:58,531 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2022-11-18 18:26:58,531 INFO L899 garLoopResultBuilder]: For program point L1661(line 1661) no Hoare annotation was computed. [2022-11-18 18:26:58,531 INFO L899 garLoopResultBuilder]: For program point L1661-1(line 1661) no Hoare annotation was computed. [2022-11-18 18:26:58,531 INFO L902 garLoopResultBuilder]: At program point L1595(lines 1595 1614) the Hoare annotation is: true [2022-11-18 18:26:58,532 INFO L895 garLoopResultBuilder]: At program point L1653(line 1653) the Hoare annotation is: false [2022-11-18 18:26:58,532 INFO L895 garLoopResultBuilder]: At program point L1620(lines 1620 1628) the Hoare annotation is: (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) (and (<= .cse0 0) |ULTIMATE.start_goodG2B1_#t~switch112#1| (<= 0 .cse0))) [2022-11-18 18:26:58,532 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-11-18 18:26:58,532 INFO L902 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: true [2022-11-18 18:26:58,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1661) no Hoare annotation was computed. [2022-11-18 18:26:58,533 INFO L899 garLoopResultBuilder]: For program point L1670(lines 1670 1676) no Hoare annotation was computed. [2022-11-18 18:26:58,533 INFO L899 garLoopResultBuilder]: For program point L1571(line 1571) no Hoare annotation was computed. [2022-11-18 18:26:58,533 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2022-11-18 18:26:58,536 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:58,538 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:26:58,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:26:58 BoogieIcfgContainer [2022-11-18 18:26:58,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:26:58,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:26:58,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:26:58,555 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:26:58,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:26:55" (3/4) ... [2022-11-18 18:26:58,559 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:26:58,565 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-18 18:26:58,565 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-18 18:26:58,571 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-18 18:26:58,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 18:26:58,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 18:26:58,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:26:58,573 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:26:58,620 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:26:58,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:26:58,621 INFO L158 Benchmark]: Toolchain (without parser) took 5019.51ms. Allocated memory was 92.3MB in the beginning and 157.3MB in the end (delta: 65.0MB). Free memory was 50.8MB in the beginning and 71.8MB in the end (delta: -21.1MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2022-11-18 18:26:58,621 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:26:58,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1287.55ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 50.6MB in the beginning and 69.6MB in the end (delta: -19.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-18 18:26:58,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.36ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 65.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:26:58,622 INFO L158 Benchmark]: Boogie Preprocessor took 58.80ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:26:58,622 INFO L158 Benchmark]: RCFGBuilder took 698.16ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 83.9MB in the end (delta: -20.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-18 18:26:58,623 INFO L158 Benchmark]: TraceAbstraction took 2795.07ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 83.1MB in the beginning and 77.1MB in the end (delta: 6.0MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-11-18 18:26:58,623 INFO L158 Benchmark]: Witness Printer took 65.28ms. Allocated memory is still 157.3MB. Free memory was 76.0MB in the beginning and 71.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:26:58,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1287.55ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 50.6MB in the beginning and 69.6MB in the end (delta: -19.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.36ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 65.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.80ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 698.16ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 83.9MB in the end (delta: -20.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2795.07ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 83.1MB in the beginning and 77.1MB in the end (delta: 6.0MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * Witness Printer took 65.28ms. Allocated memory is still 157.3MB. Free memory was 76.0MB in the beginning and 71.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: 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, 85 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 283 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 240 mSDsluCounter, 2712 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1221 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 1491 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 163 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 78 PreInvPairs, 97 NumberOfFragments, 96 HoareAnnotationTreeSize, 78 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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: 1595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1629]: Loop Invariant Derived loop invariant: aux-switch(7) { case 7: if(data < 0) { int result = data * 2; printIntLine(result); } break; default: printLine("Benign, fixed string"); break; }-aux && 0 <= 2 + data - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1620]: Loop Invariant Derived loop invariant: (2 + data <= 0 && aux-switch(5) { case 6: printLine("Benign, fixed string"); break; default: data = -2; break; }-aux) && 0 <= 2 + data - InvariantResult [Line: 1647]: Loop Invariant Derived loop invariant: (0 <= data + 2 && data + 2 <= 0) && 0 <= 2 + data - InvariantResult [Line: 1677]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 18:26:58,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ec8ab6-d340-408c-915d-29d66f5959b3/bin/uautomizer-TMbwUNV5ro/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