./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24c04267f9f0764fe7131a06ba55ffdc9d502ad378fc3a3a7330afcaf1610954 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:42:51,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:42:51,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:42:51,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:42:51,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:42:51,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:42:51,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:42:51,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:42:51,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:42:51,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:42:51,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:42:51,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:42:51,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:42:51,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:42:51,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:42:51,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:42:51,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:42:51,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:42:51,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:42:51,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:42:51,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:42:51,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:42:51,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:42:51,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:42:51,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:42:51,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:42:51,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:42:51,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:42:51,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:42:51,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:42:51,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:42:51,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:42:51,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:42:51,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:42:51,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:42:51,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:42:51,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:42:51,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:42:51,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:42:51,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:42:51,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:42:51,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 15:42:51,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:42:51,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:42:51,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:42:51,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:42:51,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:42:51,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:42:51,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:42:51,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:42:51,432 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:42:51,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:42:51,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:42:51,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:42:51,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:42:51,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:42:51,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:42:51,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:42:51,432 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:42:51,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:42:51,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:42:51,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:42:51,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:42:51,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:42:51,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:42:51,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:42:51,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:42:51,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:42:51,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:42:51,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:42:51,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:42:51,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:42:51,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:42:51,434 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:42:51,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:42:51,434 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:42:51,434 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c04267f9f0764fe7131a06ba55ffdc9d502ad378fc3a3a7330afcaf1610954 [2022-12-13 15:42:51,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:42:51,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:42:51,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:42:51,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:42:51,618 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:42:51,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_good.i [2022-12-13 15:42:54,246 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:42:54,496 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:42:54,496 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_good.i [2022-12-13 15:42:54,509 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/data/05522c097/758d2bb11dd24bb6a5c3683381de1d2f/FLAGda5a46d17 [2022-12-13 15:42:54,519 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/data/05522c097/758d2bb11dd24bb6a5c3683381de1d2f [2022-12-13 15:42:54,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:42:54,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:42:54,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:42:54,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:42:54,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:42:54,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:42:54" (1/1) ... [2022-12-13 15:42:54,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1def003c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:54, skipping insertion in model container [2022-12-13 15:42:54,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:42:54" (1/1) ... [2022-12-13 15:42:54,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:42:54,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:42:54,822 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:42:55,134 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:42:55,140 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:42:55,141 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:42:55,144 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:42:55,144 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:42:55,173 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:42:55,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:42:55,181 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:42:55,195 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:42:55,227 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:42:55,229 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:42:55,229 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:42:55,231 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:42:55,231 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:42:55,238 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:42:55,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:42:55,323 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:42:55,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55 WrapperNode [2022-12-13 15:42:55,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:42:55,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:42:55,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:42:55,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:42:55,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,365 INFO L138 Inliner]: procedures = 505, calls = 77, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 157 [2022-12-13 15:42:55,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:42:55,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:42:55,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:42:55,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:42:55,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:42:55,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:42:55,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:42:55,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:42:55,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (1/1) ... [2022-12-13 15:42:55,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:42:55,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:55,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:42:55,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:42:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 15:42:55,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 15:42:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:42:55,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:42:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:42:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:42:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:42:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-12-13 15:42:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-12-13 15:42:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-12-13 15:42:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-12-13 15:42:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:42:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:42:55,537 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:42:55,539 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:42:55,742 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:42:55,749 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:42:55,750 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:42:55,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:42:55 BoogieIcfgContainer [2022-12-13 15:42:55,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:42:55,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:42:55,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:42:55,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:42:55,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:42:54" (1/3) ... [2022-12-13 15:42:55,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d51174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:42:55, skipping insertion in model container [2022-12-13 15:42:55,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:55" (2/3) ... [2022-12-13 15:42:55,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d51174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:42:55, skipping insertion in model container [2022-12-13 15:42:55,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:42:55" (3/3) ... [2022-12-13 15:42:55,760 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_08_good.i [2022-12-13 15:42:55,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:42:55,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 15:42:55,829 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:42:55,835 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;@7d04e6e2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:42:55,835 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 15:42:55,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.42) internal successors, (71), 65 states have internal predecessors, (71), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-13 15:42:55,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 15:42:55,847 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:55,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:55,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:42:55,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:55,854 INFO L85 PathProgramCache]: Analyzing trace with hash 475563019, now seen corresponding path program 1 times [2022-12-13 15:42:55,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:55,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494425434] [2022-12-13 15:42:55,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:55,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:42:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:42:56,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:56,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494425434] [2022-12-13 15:42:56,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494425434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:56,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:56,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:42:56,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274491636] [2022-12-13 15:42:56,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:56,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:42:56,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:56,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:42:56,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:42:56,212 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.42) internal successors, (71), 65 states have internal predecessors, (71), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:42:56,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:56,270 INFO L93 Difference]: Finished difference Result 153 states and 201 transitions. [2022-12-13 15:42:56,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:42:56,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-12-13 15:42:56,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:56,281 INFO L225 Difference]: With dead ends: 153 [2022-12-13 15:42:56,281 INFO L226 Difference]: Without dead ends: 73 [2022-12-13 15:42:56,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:42:56,288 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:56,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 302 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:56,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-13 15:42:56,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-12-13 15:42:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.4) internal successors, (63), 58 states have internal predecessors, (63), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:42:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2022-12-13 15:42:56,330 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 22 [2022-12-13 15:42:56,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:56,331 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2022-12-13 15:42:56,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:42:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2022-12-13 15:42:56,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 15:42:56,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:56,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:56,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:42:56,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:42:56,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:56,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1355682118, now seen corresponding path program 1 times [2022-12-13 15:42:56,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:56,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285296631] [2022-12-13 15:42:56,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:56,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:42:56,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:56,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285296631] [2022-12-13 15:42:56,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285296631] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:56,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:56,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:42:56,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549848984] [2022-12-13 15:42:56,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:56,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:56,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:56,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:56,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:56,481 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:42:56,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:56,501 INFO L93 Difference]: Finished difference Result 73 states and 95 transitions. [2022-12-13 15:42:56,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:56,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2022-12-13 15:42:56,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:56,503 INFO L225 Difference]: With dead ends: 73 [2022-12-13 15:42:56,503 INFO L226 Difference]: Without dead ends: 72 [2022-12-13 15:42:56,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:56,505 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 44 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 118 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 [2022-12-13 15:42:56,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 118 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:56,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-13 15:42:56,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-12-13 15:42:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 57 states have internal predecessors, (62), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:42:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2022-12-13 15:42:56,517 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 24 [2022-12-13 15:42:56,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:56,517 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2022-12-13 15:42:56,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:42:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2022-12-13 15:42:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 15:42:56,518 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:56,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:56,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:42:56,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:42:56,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:56,519 INFO L85 PathProgramCache]: Analyzing trace with hash -923527226, now seen corresponding path program 1 times [2022-12-13 15:42:56,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:56,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337514363] [2022-12-13 15:42:56,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:56,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:42:56,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:56,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337514363] [2022-12-13 15:42:56,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337514363] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:56,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:56,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:42:56,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151305660] [2022-12-13 15:42:56,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:56,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:56,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:56,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:56,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:56,577 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 15:42:56,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:56,594 INFO L93 Difference]: Finished difference Result 72 states and 94 transitions. [2022-12-13 15:42:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:56,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-12-13 15:42:56,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:56,596 INFO L225 Difference]: With dead ends: 72 [2022-12-13 15:42:56,596 INFO L226 Difference]: Without dead ends: 71 [2022-12-13 15:42:56,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:56,597 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 4 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:56,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 173 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:56,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-12-13 15:42:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-12-13 15:42:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 56 states have internal predecessors, (61), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:42:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2022-12-13 15:42:56,608 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 25 [2022-12-13 15:42:56,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:56,608 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2022-12-13 15:42:56,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 15:42:56,609 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2022-12-13 15:42:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 15:42:56,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:56,610 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1] [2022-12-13 15:42:56,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:42:56,610 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:42:56,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:56,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1200175583, now seen corresponding path program 1 times [2022-12-13 15:42:56,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:56,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932200750] [2022-12-13 15:42:56,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:56,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 15:42:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 15:42:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:42:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,714 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 15:42:56,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:56,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932200750] [2022-12-13 15:42:56,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932200750] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:56,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:56,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:42:56,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175192974] [2022-12-13 15:42:56,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:56,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:42:56,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:56,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:42:56,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:42:56,715 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 15:42:56,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:56,730 INFO L93 Difference]: Finished difference Result 124 states and 159 transitions. [2022-12-13 15:42:56,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:42:56,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-12-13 15:42:56,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:56,731 INFO L225 Difference]: With dead ends: 124 [2022-12-13 15:42:56,731 INFO L226 Difference]: Without dead ends: 70 [2022-12-13 15:42:56,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:42:56,733 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 258 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 [2022-12-13 15:42:56,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 258 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:56,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-12-13 15:42:56,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-12-13 15:42:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 55 states have internal predecessors, (60), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 15:42:56,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2022-12-13 15:42:56,746 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 42 [2022-12-13 15:42:56,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:56,746 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2022-12-13 15:42:56,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 15:42:56,747 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2022-12-13 15:42:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 15:42:56,748 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:56,748 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1] [2022-12-13 15:42:56,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:42:56,749 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)] === [2022-12-13 15:42:56,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:56,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1306171425, now seen corresponding path program 1 times [2022-12-13 15:42:56,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:56,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351286047] [2022-12-13 15:42:56,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:56,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:42:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 15:42:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 15:42:56,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:56,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351286047] [2022-12-13 15:42:56,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351286047] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:56,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053038444] [2022-12-13 15:42:56,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:56,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:56,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:56,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:56,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:42:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:56,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:42:56,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 15:42:56,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:56,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053038444] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:56,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:56,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 15:42:56,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955064265] [2022-12-13 15:42:56,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:56,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:56,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:56,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:56,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:56,998 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 15:42:57,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:57,019 INFO L93 Difference]: Finished difference Result 102 states and 135 transitions. [2022-12-13 15:42:57,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:57,019 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2022-12-13 15:42:57,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:57,020 INFO L225 Difference]: With dead ends: 102 [2022-12-13 15:42:57,020 INFO L226 Difference]: Without dead ends: 101 [2022-12-13 15:42:57,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:57,021 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 25 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:57,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:57,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-12-13 15:42:57,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 75. [2022-12-13 15:42:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.346938775510204) internal successors, (66), 59 states have internal predecessors, (66), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:42:57,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2022-12-13 15:42:57,029 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 43 [2022-12-13 15:42:57,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:57,030 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2022-12-13 15:42:57,030 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 15:42:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2022-12-13 15:42:57,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-13 15:42:57,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:57,030 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1] [2022-12-13 15:42:57,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:42:57,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:57,232 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:42:57,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:57,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1836608620, now seen corresponding path program 1 times [2022-12-13 15:42:57,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:57,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154955259] [2022-12-13 15:42:57,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:57,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:42:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 15:42:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 15:42:57,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:57,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154955259] [2022-12-13 15:42:57,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154955259] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:57,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169733538] [2022-12-13 15:42:57,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:57,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:57,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:57,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:57,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 15:42:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:42:57,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 15:42:57,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:57,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169733538] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:57,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:57,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 15:42:57,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770034785] [2022-12-13 15:42:57,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:57,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:57,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:57,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:57,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:57,503 INFO L87 Difference]: Start difference. First operand 75 states and 98 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 15:42:57,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:57,523 INFO L93 Difference]: Finished difference Result 139 states and 176 transitions. [2022-12-13 15:42:57,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:57,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2022-12-13 15:42:57,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:57,524 INFO L225 Difference]: With dead ends: 139 [2022-12-13 15:42:57,524 INFO L226 Difference]: Without dead ends: 100 [2022-12-13 15:42:57,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:57,525 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 24 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 196 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 [2022-12-13 15:42:57,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 196 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:57,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-12-13 15:42:57,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 76. [2022-12-13 15:42:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.32) internal successors, (66), 60 states have internal predecessors, (66), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:42:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-12-13 15:42:57,532 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 44 [2022-12-13 15:42:57,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:57,532 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-12-13 15:42:57,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 15:42:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-12-13 15:42:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 15:42:57,533 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:57,533 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1] [2022-12-13 15:42:57,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 15:42:57,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:57,734 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:42:57,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:57,734 INFO L85 PathProgramCache]: Analyzing trace with hash -246143076, now seen corresponding path program 1 times [2022-12-13 15:42:57,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:57,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291515551] [2022-12-13 15:42:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:57,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:42:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:42:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 15:42:57,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:57,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291515551] [2022-12-13 15:42:57,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291515551] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:57,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:57,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:42:57,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633556326] [2022-12-13 15:42:57,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:57,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:57,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:57,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:57,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:57,823 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 15:42:57,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:57,836 INFO L93 Difference]: Finished difference Result 76 states and 98 transitions. [2022-12-13 15:42:57,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:57,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2022-12-13 15:42:57,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:57,838 INFO L225 Difference]: With dead ends: 76 [2022-12-13 15:42:57,838 INFO L226 Difference]: Without dead ends: 75 [2022-12-13 15:42:57,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:57,839 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 29 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 128 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 [2022-12-13 15:42:57,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 128 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:57,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-13 15:42:57,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-12-13 15:42:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.3) internal successors, (65), 59 states have internal predecessors, (65), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:42:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2022-12-13 15:42:57,849 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 45 [2022-12-13 15:42:57,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:57,849 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2022-12-13 15:42:57,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 15:42:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-12-13 15:42:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-13 15:42:57,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:57,850 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1] [2022-12-13 15:42:57,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:42:57,850 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:42:57,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:57,850 INFO L85 PathProgramCache]: Analyzing trace with hash 959499345, now seen corresponding path program 1 times [2022-12-13 15:42:57,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:57,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858535941] [2022-12-13 15:42:57,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:57,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:42:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:42:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 15:42:57,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:57,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858535941] [2022-12-13 15:42:57,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858535941] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:57,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:57,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:42:57,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853489056] [2022-12-13 15:42:57,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:57,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:57,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:57,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:57,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:57,903 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 15:42:57,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:57,918 INFO L93 Difference]: Finished difference Result 99 states and 129 transitions. [2022-12-13 15:42:57,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:57,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 46 [2022-12-13 15:42:57,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:57,920 INFO L225 Difference]: With dead ends: 99 [2022-12-13 15:42:57,920 INFO L226 Difference]: Without dead ends: 98 [2022-12-13 15:42:57,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:57,921 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 28 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:57,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 178 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:57,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-12-13 15:42:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 72. [2022-12-13 15:42:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 56 states have internal predecessors, (62), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:42:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2022-12-13 15:42:57,928 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 46 [2022-12-13 15:42:57,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:57,929 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2022-12-13 15:42:57,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 15:42:57,929 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2022-12-13 15:42:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 15:42:57,929 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:57,930 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:57,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 15:42:57,930 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)] === [2022-12-13 15:42:57,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:57,930 INFO L85 PathProgramCache]: Analyzing trace with hash -629975564, now seen corresponding path program 1 times [2022-12-13 15:42:57,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:57,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971547495] [2022-12-13 15:42:57,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:57,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:42:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 15:42:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:42:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:42:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 15:42:58,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:58,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971547495] [2022-12-13 15:42:58,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971547495] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:58,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203147588] [2022-12-13 15:42:58,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:58,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:58,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:58,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:58,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 15:42:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:42:58,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 15:42:58,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:58,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203147588] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:58,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:58,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 15:42:58,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890071097] [2022-12-13 15:42:58,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:58,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:58,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:58,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:58,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:58,111 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 15:42:58,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:58,127 INFO L93 Difference]: Finished difference Result 90 states and 118 transitions. [2022-12-13 15:42:58,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:58,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2022-12-13 15:42:58,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:58,129 INFO L225 Difference]: With dead ends: 90 [2022-12-13 15:42:58,129 INFO L226 Difference]: Without dead ends: 89 [2022-12-13 15:42:58,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:58,130 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:58,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 171 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:58,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-12-13 15:42:58,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 76. [2022-12-13 15:42:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 58 states have internal predecessors, (66), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 15 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-13 15:42:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 100 transitions. [2022-12-13 15:42:58,138 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 100 transitions. Word has length 55 [2022-12-13 15:42:58,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:58,139 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 100 transitions. [2022-12-13 15:42:58,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 15:42:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2022-12-13 15:42:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 15:42:58,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:58,140 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:58,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 15:42:58,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:58,341 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)] === [2022-12-13 15:42:58,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:58,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1945594132, now seen corresponding path program 1 times [2022-12-13 15:42:58,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:58,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126423670] [2022-12-13 15:42:58,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:58,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:42:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 15:42:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:42:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:42:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 15:42:58,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:58,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126423670] [2022-12-13 15:42:58,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126423670] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:58,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874284279] [2022-12-13 15:42:58,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:58,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:58,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:58,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:58,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 15:42:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:42:58,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 15:42:58,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:58,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874284279] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:58,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:58,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 15:42:58,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331254355] [2022-12-13 15:42:58,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:58,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:58,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:58,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:58,528 INFO L87 Difference]: Start difference. First operand 76 states and 100 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 15:42:58,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:58,540 INFO L93 Difference]: Finished difference Result 87 states and 113 transitions. [2022-12-13 15:42:58,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:58,541 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2022-12-13 15:42:58,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:58,542 INFO L225 Difference]: With dead ends: 87 [2022-12-13 15:42:58,542 INFO L226 Difference]: Without dead ends: 86 [2022-12-13 15:42:58,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:58,542 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:58,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 160 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:58,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-13 15:42:58,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 75. [2022-12-13 15:42:58,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 57 states have internal predecessors, (65), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 15 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-13 15:42:58,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions. [2022-12-13 15:42:58,548 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 56 [2022-12-13 15:42:58,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:58,548 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions. [2022-12-13 15:42:58,548 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 15:42:58,548 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2022-12-13 15:42:58,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-13 15:42:58,549 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:58,549 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:58,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 15:42:58,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:58,750 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)] === [2022-12-13 15:42:58,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:58,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1991897526, now seen corresponding path program 1 times [2022-12-13 15:42:58,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:58,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434800281] [2022-12-13 15:42:58,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:58,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:42:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 15:42:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:42:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:42:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 15:42:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 15:42:58,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:58,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434800281] [2022-12-13 15:42:58,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434800281] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:58,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559266042] [2022-12-13 15:42:58,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:58,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:58,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:58,834 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:58,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 15:42:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:58,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:42:58,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:42:58,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:58,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559266042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:58,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:58,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 15:42:58,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700944694] [2022-12-13 15:42:58,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:58,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:58,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:58,931 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 15:42:58,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:58,942 INFO L93 Difference]: Finished difference Result 75 states and 99 transitions. [2022-12-13 15:42:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:58,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2022-12-13 15:42:58,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:58,943 INFO L225 Difference]: With dead ends: 75 [2022-12-13 15:42:58,944 INFO L226 Difference]: Without dead ends: 74 [2022-12-13 15:42:58,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:58,944 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 11 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:58,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:58,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-13 15:42:58,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2022-12-13 15:42:58,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.25) internal successors, (60), 54 states have internal predecessors, (60), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:42:58,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2022-12-13 15:42:58,949 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 92 transitions. Word has length 60 [2022-12-13 15:42:58,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:58,950 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 92 transitions. [2022-12-13 15:42:58,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 15:42:58,950 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2022-12-13 15:42:58,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-13 15:42:58,950 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:58,950 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:58,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 15:42:59,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:59,151 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)] === [2022-12-13 15:42:59,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:59,152 INFO L85 PathProgramCache]: Analyzing trace with hash -355309694, now seen corresponding path program 1 times [2022-12-13 15:42:59,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:59,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012058141] [2022-12-13 15:42:59,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:42:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 15:42:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:42:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:42:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:42:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:42:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 15:42:59,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:59,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012058141] [2022-12-13 15:42:59,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012058141] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:59,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329385563] [2022-12-13 15:42:59,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:59,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:59,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:59,242 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:59,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 15:42:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:42:59,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:59,330 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 15:42:59,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:59,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329385563] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:59,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:59,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 15:42:59,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795984503] [2022-12-13 15:42:59,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:59,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:59,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:59,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:59,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:59,332 INFO L87 Difference]: Start difference. First operand 70 states and 92 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 15:42:59,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:59,341 INFO L93 Difference]: Finished difference Result 76 states and 99 transitions. [2022-12-13 15:42:59,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:59,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-12-13 15:42:59,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:59,341 INFO L225 Difference]: With dead ends: 76 [2022-12-13 15:42:59,342 INFO L226 Difference]: Without dead ends: 75 [2022-12-13 15:42:59,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:59,342 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:59,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 170 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:59,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-13 15:42:59,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2022-12-13 15:42:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 57 states have internal predecessors, (63), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 15 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-13 15:42:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2022-12-13 15:42:59,347 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 68 [2022-12-13 15:42:59,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:59,348 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2022-12-13 15:42:59,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 15:42:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2022-12-13 15:42:59,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-13 15:42:59,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:59,348 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:59,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 15:42:59,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 15:42:59,549 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)] === [2022-12-13 15:42:59,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:59,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1164656320, now seen corresponding path program 1 times [2022-12-13 15:42:59,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:59,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542188801] [2022-12-13 15:42:59,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:59,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:42:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 15:42:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:42:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:42:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:42:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:42:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 15:42:59,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:59,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542188801] [2022-12-13 15:42:59,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542188801] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:59,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281175711] [2022-12-13 15:42:59,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:59,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:59,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:59,619 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:59,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 15:42:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:42:59,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 15:42:59,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:59,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281175711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:59,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:59,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 15:42:59,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358845131] [2022-12-13 15:42:59,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:59,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:59,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:59,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:59,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:59,705 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 15:42:59,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:59,713 INFO L93 Difference]: Finished difference Result 74 states and 97 transitions. [2022-12-13 15:42:59,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:59,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-12-13 15:42:59,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:59,715 INFO L225 Difference]: With dead ends: 74 [2022-12-13 15:42:59,715 INFO L226 Difference]: Without dead ends: 73 [2022-12-13 15:42:59,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:59,716 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 2 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:59,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:59,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-13 15:42:59,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2022-12-13 15:42:59,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 53 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:42:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2022-12-13 15:42:59,722 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 68 [2022-12-13 15:42:59,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:59,722 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2022-12-13 15:42:59,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 15:42:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2022-12-13 15:42:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-13 15:42:59,723 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:59,723 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:59,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 15:42:59,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 15:42:59,924 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)] === [2022-12-13 15:42:59,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:59,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1870301532, now seen corresponding path program 1 times [2022-12-13 15:42:59,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:59,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705019008] [2022-12-13 15:42:59,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:59,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:42:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:42:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:42:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 15:42:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:42:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:42:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:42:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:59,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:42:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 15:43:00,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:00,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705019008] [2022-12-13 15:43:00,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705019008] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:43:00,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239149605] [2022-12-13 15:43:00,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:00,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:00,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:43:00,003 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:43:00,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 15:43:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:00,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:43:00,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:43:00,094 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 15:43:00,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:43:00,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239149605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:00,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:43:00,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 15:43:00,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894128751] [2022-12-13 15:43:00,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:00,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:00,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:00,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:00,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:43:00,096 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 15:43:00,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:43:00,104 INFO L93 Difference]: Finished difference Result 69 states and 91 transitions. [2022-12-13 15:43:00,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:00,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-12-13 15:43:00,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:43:00,105 INFO L225 Difference]: With dead ends: 69 [2022-12-13 15:43:00,105 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 15:43:00,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:43:00,106 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 2 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:43:00,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 158 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:43:00,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 15:43:00,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 15:43:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 15:43:00,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2022-12-13 15:43:00,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:43:00,107 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:43:00,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 15:43:00,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:43:00,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 15:43:00,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 15:43:00,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 15:43:00,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 15:43:00,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 15:43:00,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 15:43:00,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 15:43:00,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 15:43:00,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 15:43:00,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 15:43:00,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 15:43:00,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 15:43:00,561 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 15:43:00,561 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 15:43:00,561 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 15:43:00,562 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 15:43:00,562 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2022-12-13 15:43:00,562 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseFINAL(lines 1552 1555) no Hoare annotation was computed. [2022-12-13 15:43:00,562 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1552 1555) the Hoare annotation is: true [2022-12-13 15:43:00,562 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 15:43:00,562 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 15:43:00,562 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 15:43:00,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1594) no Hoare annotation was computed. [2022-12-13 15:43:00,563 INFO L895 garLoopResultBuilder]: At program point L1629(line 1629) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-13 15:43:00,563 INFO L895 garLoopResultBuilder]: At program point L1596(line 1596) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-13 15:43:00,563 INFO L899 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2022-12-13 15:43:00,563 INFO L899 garLoopResultBuilder]: For program point L1629-2(lines 1629 1632) no Hoare annotation was computed. [2022-12-13 15:43:00,563 INFO L895 garLoopResultBuilder]: At program point L1629-4(lines 1629 1632) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-13 15:43:00,563 INFO L902 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: true [2022-12-13 15:43:00,563 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-13 15:43:00,564 INFO L899 garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed. [2022-12-13 15:43:00,564 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-12-13 15:43:00,564 INFO L899 garLoopResultBuilder]: For program point L1588-2(line 1588) no Hoare annotation was computed. [2022-12-13 15:43:00,564 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1649 1656) the Hoare annotation is: true [2022-12-13 15:43:00,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-12-13 15:43:00,564 INFO L902 garLoopResultBuilder]: At program point L1638(line 1638) the Hoare annotation is: true [2022-12-13 15:43:00,564 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2022-12-13 15:43:00,564 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-12-13 15:43:00,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-12-13 15:43:00,565 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 15:43:00,565 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-13 15:43:00,565 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1580) no Hoare annotation was computed. [2022-12-13 15:43:00,565 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-12-13 15:43:00,565 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2022-12-13 15:43:00,565 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 1590 1602) no Hoare annotation was computed. [2022-12-13 15:43:00,565 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1603) no Hoare annotation was computed. [2022-12-13 15:43:00,565 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 15:43:00,565 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) [2022-12-13 15:43:00,565 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2022-12-13 15:43:00,566 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2022-12-13 15:43:00,566 INFO L899 garLoopResultBuilder]: For program point L1616-1(lines 1616 1623) no Hoare annotation was computed. [2022-12-13 15:43:00,566 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-13 15:43:00,566 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2022-12-13 15:43:00,566 INFO L899 garLoopResultBuilder]: For program point L1608-2(lines 1608 1615) no Hoare annotation was computed. [2022-12-13 15:43:00,566 INFO L895 garLoopResultBuilder]: At program point L1608-3(lines 1608 1615) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-13 15:43:00,566 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-12-13 15:43:00,566 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-12-13 15:43:00,566 INFO L899 garLoopResultBuilder]: For program point L1633-1(lines 1633 1640) no Hoare annotation was computed. [2022-12-13 15:43:00,567 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1641) no Hoare annotation was computed. [2022-12-13 15:43:00,567 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1601) no Hoare annotation was computed. [2022-12-13 15:43:00,567 INFO L899 garLoopResultBuilder]: For program point L1642(lines 1642 1648) no Hoare annotation was computed. [2022-12-13 15:43:00,567 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 15:43:00,567 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1619) no Hoare annotation was computed. [2022-12-13 15:43:00,567 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-12-13 15:43:00,567 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2022-12-13 15:43:00,567 INFO L899 garLoopResultBuilder]: For program point L1560-2(lines 1560 1563) no Hoare annotation was computed. [2022-12-13 15:43:00,567 INFO L895 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) [2022-12-13 15:43:00,567 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-13 15:43:00,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 15:43:00,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1619) no Hoare annotation was computed. [2022-12-13 15:43:00,568 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-12-13 15:43:00,568 INFO L899 garLoopResultBuilder]: For program point L1594-1(line 1594) no Hoare annotation was computed. [2022-12-13 15:43:00,568 INFO L902 garLoopResultBuilder]: At program point L1652(line 1652) the Hoare annotation is: true [2022-12-13 15:43:00,568 INFO L899 garLoopResultBuilder]: For program point L1652-1(line 1652) no Hoare annotation was computed. [2022-12-13 15:43:00,568 INFO L899 garLoopResultBuilder]: For program point L1619(line 1619) no Hoare annotation was computed. [2022-12-13 15:43:00,568 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-12-13 15:43:00,568 INFO L899 garLoopResultBuilder]: For program point L1619-1(line 1619) no Hoare annotation was computed. [2022-12-13 15:43:00,568 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-12-13 15:43:00,569 INFO L899 garLoopResultBuilder]: For program point L1586-2(lines 1586 1589) no Hoare annotation was computed. [2022-12-13 15:43:00,569 INFO L895 garLoopResultBuilder]: At program point L1586-4(lines 1586 1589) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-13 15:43:00,569 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) [2022-12-13 15:43:00,569 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 1556 1581) no Hoare annotation was computed. [2022-12-13 15:43:00,569 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-12-13 15:43:00,569 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2022-12-13 15:43:00,569 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1579) no Hoare annotation was computed. [2022-12-13 15:43:00,569 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1594) no Hoare annotation was computed. [2022-12-13 15:43:00,569 INFO L899 garLoopResultBuilder]: For program point L1562(line 1562) no Hoare annotation was computed. [2022-12-13 15:43:00,569 INFO L899 garLoopResultBuilder]: For program point L1562-2(line 1562) no Hoare annotation was computed. [2022-12-13 15:43:00,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-12-13 15:43:00,570 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1624) no Hoare annotation was computed. [2022-12-13 15:43:00,570 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueFINAL(lines 1548 1551) no Hoare annotation was computed. [2022-12-13 15:43:00,570 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2022-12-13 15:43:00,570 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1548 1551) the Hoare annotation is: true [2022-12-13 15:43:00,573 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:00,575 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:43:00,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:43:00 BoogieIcfgContainer [2022-12-13 15:43:00,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:43:00,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:43:00,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:43:00,584 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:43:00,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:42:55" (3/4) ... [2022-12-13 15:43:00,587 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:43:00,594 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 15:43:00,594 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-12-13 15:43:00,594 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 15:43:00,594 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-12-13 15:43:00,599 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-13 15:43:00,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 15:43:00,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 15:43:00,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:43:00,643 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:43:00,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:43:00,643 INFO L158 Benchmark]: Toolchain (without parser) took 6121.13ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 110.4MB in the beginning and 90.7MB in the end (delta: 19.8MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-12-13 15:43:00,644 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:43:00,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.96ms. Allocated memory is still 144.7MB. Free memory was 110.4MB in the beginning and 111.8MB in the end (delta: -1.4MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2022-12-13 15:43:00,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.64ms. Allocated memory is still 144.7MB. Free memory was 111.8MB in the beginning and 108.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:43:00,644 INFO L158 Benchmark]: Boogie Preprocessor took 20.84ms. Allocated memory is still 144.7MB. Free memory was 108.5MB in the beginning and 106.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:43:00,645 INFO L158 Benchmark]: RCFGBuilder took 365.20ms. Allocated memory is still 144.7MB. Free memory was 106.4MB in the beginning and 87.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 15:43:00,645 INFO L158 Benchmark]: TraceAbstraction took 4828.71ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 86.8MB in the beginning and 94.9MB in the end (delta: -8.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-12-13 15:43:00,645 INFO L158 Benchmark]: Witness Printer took 59.41ms. Allocated memory is still 174.1MB. Free memory was 94.9MB in the beginning and 90.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:43:00,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 800.96ms. Allocated memory is still 144.7MB. Free memory was 110.4MB in the beginning and 111.8MB in the end (delta: -1.4MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.64ms. Allocated memory is still 144.7MB. Free memory was 111.8MB in the beginning and 108.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.84ms. Allocated memory is still 144.7MB. Free memory was 108.5MB in the beginning and 106.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.20ms. Allocated memory is still 144.7MB. Free memory was 106.4MB in the beginning and 87.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4828.71ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 86.8MB in the beginning and 94.9MB in the end (delta: -8.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 59.41ms. Allocated memory is still 174.1MB. Free memory was 94.9MB in the beginning and 90.7MB 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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 5 procedures, 81 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 2502 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1206 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 1296 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 681 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 109 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 71 PreInvPairs, 88 NumberOfFragments, 181 HoareAnnotationTreeSize, 71 FomulaSimplifications, 1081 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FomulaSimplificationsInter, 478 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1130 NumberOfCodeBlocks, 1130 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1108 ConstructedInterpolants, 0 QuantifiedInterpolants, 1416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1559 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 22 InterpolantComputations, 14 PerfectInterpolantSequences, 529/569 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: 1649]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 15:43:00,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cfb891-f837-47a4-b2f7-787e0c7c611d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE