./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_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_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/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_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/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_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/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 83e4ac65afe790e458f94ce8a18a21fadc9919e8efbf9599a55668733f501240 --- 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 14:52:04,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:52:04,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:52:04,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:52:04,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:52:04,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:52:04,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:52:04,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:52:04,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:52:04,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:52:04,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:52:04,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:52:04,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:52:04,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:52:04,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:52:04,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:52:04,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:52:04,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:52:04,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:52:04,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:52:04,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:52:04,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:52:04,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:52:04,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:52:04,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:52:04,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:52:04,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:52:04,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:52:04,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:52:04,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:52:04,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:52:04,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:52:04,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:52:04,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:52:04,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:52:04,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:52:04,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:52:04,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:52:04,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:52:04,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:52:04,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:52:04,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 14:52:04,542 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:52:04,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:52:04,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:52:04,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:52:04,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:52:04,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:52:04,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:52:04,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:52:04,544 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:52:04,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:52:04,544 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:52:04,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:52:04,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:52:04,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:52:04,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:52:04,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:52:04,545 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:52:04,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:52:04,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:52:04,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:52:04,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:52:04,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:52:04,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:52:04,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:52:04,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:52:04,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:52:04,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:52:04,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:52:04,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:52:04,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:52:04,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:52:04,548 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:52:04,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:52:04,548 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:52:04,548 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_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83e4ac65afe790e458f94ce8a18a21fadc9919e8efbf9599a55668733f501240 [2022-12-13 14:52:04,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:52:04,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:52:04,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:52:04,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:52:04,750 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:52:04,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_good.i [2022-12-13 14:52:07,329 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:52:07,562 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:52:07,562 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_good.i [2022-12-13 14:52:07,575 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/data/a61744d74/1fca27d088d7445db7a73a3db0ee9fef/FLAG8c5a472d0 [2022-12-13 14:52:07,586 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/data/a61744d74/1fca27d088d7445db7a73a3db0ee9fef [2022-12-13 14:52:07,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:52:07,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:52:07,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:52:07,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:52:07,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:52:07,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:52:07" (1/1) ... [2022-12-13 14:52:07,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38419cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:07, skipping insertion in model container [2022-12-13 14:52:07,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:52:07" (1/1) ... [2022-12-13 14:52:07,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:52:07,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:52:07,869 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:52:08,190 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:52:08,194 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:52:08,196 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:52:08,197 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:52:08,198 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:52:08,224 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:52:08,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:52:08,231 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:52:08,245 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:52:08,277 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:52:08,278 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:52:08,279 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:52:08,281 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:52:08,281 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:52:08,289 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:52:08,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:52:08,431 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:52:08,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08 WrapperNode [2022-12-13 14:52:08,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:52:08,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:52:08,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:52:08,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:52:08,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,474 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 126 [2022-12-13 14:52:08,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:52:08,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:52:08,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:52:08,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:52:08,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:52:08,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:52:08,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:52:08,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:52:08,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (1/1) ... [2022-12-13 14:52:08,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:52:08,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:52:08,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:52:08,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:52:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 14:52:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 14:52:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 14:52:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 14:52:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:52:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:52:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:52:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 14:52:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:52:08,690 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:52:08,692 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:52:08,883 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:52:08,888 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:52:08,888 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:52:08,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:08 BoogieIcfgContainer [2022-12-13 14:52:08,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:52:08,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:52:08,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:52:08,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:52:08,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:52:07" (1/3) ... [2022-12-13 14:52:08,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749af87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:52:08, skipping insertion in model container [2022-12-13 14:52:08,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:08" (2/3) ... [2022-12-13 14:52:08,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749af87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:52:08, skipping insertion in model container [2022-12-13 14:52:08,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:08" (3/3) ... [2022-12-13 14:52:08,899 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_06_good.i [2022-12-13 14:52:08,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:52:08,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 14:52:08,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:52:08,966 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;@2e6ca2f8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:52:08,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 14:52:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 53 states have internal predecessors, (59), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 14:52:08,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 14:52:08,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:08,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:08,976 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 14:52:08,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:08,986 INFO L85 PathProgramCache]: Analyzing trace with hash 332326054, now seen corresponding path program 1 times [2022-12-13 14:52:08,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:08,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183280780] [2022-12-13 14:52:08,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:08,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,193 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 14:52:09,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:09,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183280780] [2022-12-13 14:52:09,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183280780] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:09,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:09,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:52:09,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561385623] [2022-12-13 14:52:09,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:09,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:52:09,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:09,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:52:09,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:52:09,222 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 53 states have internal predecessors, (59), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:52:09,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:09,263 INFO L93 Difference]: Finished difference Result 109 states and 144 transitions. [2022-12-13 14:52:09,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:52:09,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 14:52:09,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:09,273 INFO L225 Difference]: With dead ends: 109 [2022-12-13 14:52:09,273 INFO L226 Difference]: Without dead ends: 49 [2022-12-13 14:52:09,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:52:09,280 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:09,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 59 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:09,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-13 14:52:09,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-13 14:52:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 42 states have internal predecessors, (45), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:52:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2022-12-13 14:52:09,315 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 12 [2022-12-13 14:52:09,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:09,317 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2022-12-13 14:52:09,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:52:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-12-13 14:52:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 14:52:09,318 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:09,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:09,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:52:09,319 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 14:52:09,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:09,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1267729675, now seen corresponding path program 1 times [2022-12-13 14:52:09,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:09,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564166288] [2022-12-13 14:52:09,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:09,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,430 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 14:52:09,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:09,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564166288] [2022-12-13 14:52:09,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564166288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:09,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:09,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:52:09,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351644583] [2022-12-13 14:52:09,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:09,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:52:09,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:09,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:52:09,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:52:09,433 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:52:09,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:09,444 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2022-12-13 14:52:09,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:52:09,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 14:52:09,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:09,445 INFO L225 Difference]: With dead ends: 49 [2022-12-13 14:52:09,445 INFO L226 Difference]: Without dead ends: 48 [2022-12-13 14:52:09,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:52:09,446 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 2 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:09,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 104 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:09,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-13 14:52:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-12-13 14:52:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 41 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:52:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2022-12-13 14:52:09,451 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 14 [2022-12-13 14:52:09,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:09,451 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2022-12-13 14:52:09,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:52:09,451 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2022-12-13 14:52:09,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 14:52:09,451 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:09,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:09,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:52:09,452 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 14:52:09,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:09,452 INFO L85 PathProgramCache]: Analyzing trace with hash 644914331, now seen corresponding path program 1 times [2022-12-13 14:52:09,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:09,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490256760] [2022-12-13 14:52:09,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:09,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,541 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 14:52:09,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:09,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490256760] [2022-12-13 14:52:09,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490256760] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:09,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:09,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:52:09,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056280486] [2022-12-13 14:52:09,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:09,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:52:09,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:09,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:52:09,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:52:09,543 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:52:09,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:09,561 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2022-12-13 14:52:09,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:52:09,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 14:52:09,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:09,562 INFO L225 Difference]: With dead ends: 48 [2022-12-13 14:52:09,562 INFO L226 Difference]: Without dead ends: 47 [2022-12-13 14:52:09,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:52:09,563 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 31 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 116 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 14:52:09,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 116 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:09,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-13 14:52:09,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-12-13 14:52:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.303030303030303) internal successors, (43), 40 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:52:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-12-13 14:52:09,568 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 15 [2022-12-13 14:52:09,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:09,568 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-12-13 14:52:09,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:52:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-12-13 14:52:09,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 14:52:09,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:09,569 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:09,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:52:09,569 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 14:52:09,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:09,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1942028122, now seen corresponding path program 1 times [2022-12-13 14:52:09,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:09,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105131222] [2022-12-13 14:52:09,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:09,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 14:52:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 14:52:09,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:09,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105131222] [2022-12-13 14:52:09,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105131222] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:09,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:09,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:52:09,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761666075] [2022-12-13 14:52:09,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:09,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:52:09,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:09,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:52:09,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:52:09,665 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 14:52:09,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:09,675 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2022-12-13 14:52:09,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:52:09,676 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-12-13 14:52:09,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:09,677 INFO L225 Difference]: With dead ends: 47 [2022-12-13 14:52:09,677 INFO L226 Difference]: Without dead ends: 46 [2022-12-13 14:52:09,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:52:09,678 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:09,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 100 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:09,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-13 14:52:09,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-13 14:52:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 39 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:52:09,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2022-12-13 14:52:09,683 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 25 [2022-12-13 14:52:09,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:09,683 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2022-12-13 14:52:09,684 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 14:52:09,684 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-12-13 14:52:09,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 14:52:09,685 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:09,685 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:09,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:52:09,685 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:52:09,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:09,686 INFO L85 PathProgramCache]: Analyzing trace with hash 73329737, now seen corresponding path program 1 times [2022-12-13 14:52:09,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:09,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094879403] [2022-12-13 14:52:09,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:09,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 14:52:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 14:52:09,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:09,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094879403] [2022-12-13 14:52:09,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094879403] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:09,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:09,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:52:09,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964969939] [2022-12-13 14:52:09,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:09,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:52:09,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:09,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:52:09,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:52:09,778 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 14:52:09,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:09,795 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2022-12-13 14:52:09,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:52:09,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-12-13 14:52:09,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:09,796 INFO L225 Difference]: With dead ends: 46 [2022-12-13 14:52:09,796 INFO L226 Difference]: Without dead ends: 45 [2022-12-13 14:52:09,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:52:09,797 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 19 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 124 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 14:52:09,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 124 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:09,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-13 14:52:09,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-13 14:52:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 38 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:52:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2022-12-13 14:52:09,804 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 26 [2022-12-13 14:52:09,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:09,804 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2022-12-13 14:52:09,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 14:52:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-12-13 14:52:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 14:52:09,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:09,805 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:09,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:52:09,805 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:52:09,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:09,806 INFO L85 PathProgramCache]: Analyzing trace with hash 745918815, now seen corresponding path program 1 times [2022-12-13 14:52:09,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:09,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368056103] [2022-12-13 14:52:09,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:09,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 14:52:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 14:52:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 14:52:09,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:09,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368056103] [2022-12-13 14:52:09,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368056103] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:09,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:09,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:52:09,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412111498] [2022-12-13 14:52:09,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:09,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:52:09,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:09,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:52:09,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:52:09,870 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 14:52:09,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:09,887 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2022-12-13 14:52:09,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:52:09,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2022-12-13 14:52:09,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:09,888 INFO L225 Difference]: With dead ends: 45 [2022-12-13 14:52:09,888 INFO L226 Difference]: Without dead ends: 44 [2022-12-13 14:52:09,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:52:09,889 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 5 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:09,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 141 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:09,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-13 14:52:09,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-12-13 14:52:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 37 states have internal predecessors, (40), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:52:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2022-12-13 14:52:09,895 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 33 [2022-12-13 14:52:09,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:09,896 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2022-12-13 14:52:09,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 14:52:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-12-13 14:52:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 14:52:09,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:09,897 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:09,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 14:52:09,897 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:52:09,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:09,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1648646907, now seen corresponding path program 1 times [2022-12-13 14:52:09,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:09,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778558673] [2022-12-13 14:52:09,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:09,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 14:52:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 14:52:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 14:52:09,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:09,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778558673] [2022-12-13 14:52:09,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778558673] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:09,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:09,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:52:09,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121248684] [2022-12-13 14:52:09,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:09,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:52:09,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:09,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:52:09,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:52:09,983 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 14:52:09,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:09,996 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2022-12-13 14:52:09,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:52:09,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 34 [2022-12-13 14:52:09,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:09,998 INFO L225 Difference]: With dead ends: 44 [2022-12-13 14:52:09,998 INFO L226 Difference]: Without dead ends: 43 [2022-12-13 14:52:09,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:52:09,999 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 8 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 134 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 14:52:09,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 134 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:10,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-13 14:52:10,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-13 14:52:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 36 states have internal predecessors, (39), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:52:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2022-12-13 14:52:10,004 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 34 [2022-12-13 14:52:10,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:10,005 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2022-12-13 14:52:10,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 14:52:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2022-12-13 14:52:10,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 14:52:10,006 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:10,006 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:10,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 14:52:10,006 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:52:10,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:10,007 INFO L85 PathProgramCache]: Analyzing trace with hash 914121248, now seen corresponding path program 1 times [2022-12-13 14:52:10,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:10,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696304377] [2022-12-13 14:52:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:10,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 14:52:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:10,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 14:52:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:52:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 14:52:10,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:10,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696304377] [2022-12-13 14:52:10,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696304377] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:10,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:10,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:52:10,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377077785] [2022-12-13 14:52:10,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:10,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:52:10,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:10,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:52:10,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:52:10,089 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 14:52:10,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:10,103 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2022-12-13 14:52:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:52:10,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-12-13 14:52:10,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:10,104 INFO L225 Difference]: With dead ends: 43 [2022-12-13 14:52:10,104 INFO L226 Difference]: Without dead ends: 42 [2022-12-13 14:52:10,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:52:10,105 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 5 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 138 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 14:52:10,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 138 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:10,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-13 14:52:10,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-12-13 14:52:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 35 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 14:52:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-12-13 14:52:10,110 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 42 [2022-12-13 14:52:10,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:10,110 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-12-13 14:52:10,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 14:52:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-12-13 14:52:10,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 14:52:10,111 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:10,112 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:10,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 14:52:10,112 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 14:52:10,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:10,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1727012244, now seen corresponding path program 1 times [2022-12-13 14:52:10,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:10,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162264832] [2022-12-13 14:52:10,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:10,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 14:52:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 14:52:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:10,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:52:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:10,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 14:52:10,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:10,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162264832] [2022-12-13 14:52:10,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162264832] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:10,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:10,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:52:10,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642304972] [2022-12-13 14:52:10,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:10,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:52:10,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:10,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:52:10,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:52:10,170 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 14:52:10,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:10,180 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-12-13 14:52:10,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:52:10,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-12-13 14:52:10,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:10,181 INFO L225 Difference]: With dead ends: 42 [2022-12-13 14:52:10,181 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:52:10,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:52:10,182 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:10,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 138 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:10,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:52:10,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:52:10,183 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 14:52:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:52:10,183 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-12-13 14:52:10,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:10,183 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:52:10,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 14:52:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:52:10,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:52:10,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 14:52:10,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 14:52:10,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 14:52:10,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 14:52:10,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 14:52:10,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 14:52:10,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 14:52:10,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 14:52:10,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 14:52:10,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:52:10,225 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 14:52:10,225 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 14:52:10,225 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 14:52:10,225 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 14:52:10,225 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 14:52:10,225 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 14:52:10,225 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 14:52:10,226 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2022-12-13 14:52:10,226 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2022-12-13 14:52:10,226 INFO L899 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2022-12-13 14:52:10,226 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1572) no Hoare annotation was computed. [2022-12-13 14:52:10,226 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-12-13 14:52:10,226 INFO L899 garLoopResultBuilder]: For program point L1555-2(line 1555) no Hoare annotation was computed. [2022-12-13 14:52:10,226 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1642 1649) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-12-13 14:52:10,226 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2022-12-13 14:52:10,226 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2022-12-13 14:52:10,227 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1617) no Hoare annotation was computed. [2022-12-13 14:52:10,227 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:52:10,227 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1625) no Hoare annotation was computed. [2022-12-13 14:52:10,227 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 14:52:10,227 INFO L899 garLoopResultBuilder]: For program point L1622-2(lines 1619 1634) no Hoare annotation was computed. [2022-12-13 14:52:10,227 INFO L895 garLoopResultBuilder]: At program point L1647(line 1647) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-12-13 14:52:10,227 INFO L895 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 14:52:10,227 INFO L899 garLoopResultBuilder]: For program point L1647-1(line 1647) no Hoare annotation was computed. [2022-12-13 14:52:10,227 INFO L899 garLoopResultBuilder]: For program point L1581(line 1581) no Hoare annotation was computed. [2022-12-13 14:52:10,227 INFO L899 garLoopResultBuilder]: For program point L1581-2(line 1581) no Hoare annotation was computed. [2022-12-13 14:52:10,228 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2022-12-13 14:52:10,228 INFO L895 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-12-13 14:52:10,228 INFO L899 garLoopResultBuilder]: For program point L1565(line 1565) no Hoare annotation was computed. [2022-12-13 14:52:10,228 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2022-12-13 14:52:10,228 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:52:10,228 INFO L899 garLoopResultBuilder]: For program point L1575(lines 1575 1596) no Hoare annotation was computed. [2022-12-13 14:52:10,228 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2022-12-13 14:52:10,228 INFO L895 garLoopResultBuilder]: At program point L1559(line 1559) the Hoare annotation is: false [2022-12-13 14:52:10,228 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1608) no Hoare annotation was computed. [2022-12-13 14:52:10,228 INFO L899 garLoopResultBuilder]: For program point L1601-1(lines 1598 1617) no Hoare annotation was computed. [2022-12-13 14:52:10,228 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:52:10,229 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-12-13 14:52:10,229 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 14:52:10,229 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1634) no Hoare annotation was computed. [2022-12-13 14:52:10,229 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1594) no Hoare annotation was computed. [2022-12-13 14:52:10,229 INFO L899 garLoopResultBuilder]: For program point L1635(lines 1635 1641) no Hoare annotation was computed. [2022-12-13 14:52:10,229 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:52:10,229 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-12-13 14:52:10,229 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1556) no Hoare annotation was computed. [2022-12-13 14:52:10,229 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1550 1574) no Hoare annotation was computed. [2022-12-13 14:52:10,229 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: false [2022-12-13 14:52:10,229 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2022-12-13 14:52:10,230 INFO L899 garLoopResultBuilder]: For program point L1587(line 1587) no Hoare annotation was computed. [2022-12-13 14:52:10,230 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-12-13 14:52:10,230 INFO L895 garLoopResultBuilder]: At program point L1645(line 1645) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-12-13 14:52:10,230 INFO L899 garLoopResultBuilder]: For program point L1645-1(line 1645) no Hoare annotation was computed. [2022-12-13 14:52:10,230 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-12-13 14:52:10,230 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1582) no Hoare annotation was computed. [2022-12-13 14:52:10,230 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2022-12-13 14:52:10,230 INFO L899 garLoopResultBuilder]: For program point L1579-2(lines 1576 1596) no Hoare annotation was computed. [2022-12-13 14:52:10,230 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2022-12-13 14:52:10,230 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2022-12-13 14:52:10,230 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1549 1574) no Hoare annotation was computed. [2022-12-13 14:52:10,234 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:10,235 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:52:10,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:52:10 BoogieIcfgContainer [2022-12-13 14:52:10,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:52:10,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:52:10,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:52:10,249 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:52:10,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:08" (3/4) ... [2022-12-13 14:52:10,252 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:52:10,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 14:52:10,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 14:52:10,262 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 14:52:10,263 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 14:52:10,263 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 14:52:10,263 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:52:10,303 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:52:10,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:52:10,304 INFO L158 Benchmark]: Toolchain (without parser) took 2715.07ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 74.0MB in the beginning and 46.1MB in the end (delta: 27.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-12-13 14:52:10,304 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:52:10,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.82ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 74.0MB in the beginning and 84.5MB in the end (delta: -10.5MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-12-13 14:52:10,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.42ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 80.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:52:10,305 INFO L158 Benchmark]: Boogie Preprocessor took 26.45ms. Allocated memory is still 142.6MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:52:10,305 INFO L158 Benchmark]: RCFGBuilder took 388.97ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 60.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 14:52:10,305 INFO L158 Benchmark]: TraceAbstraction took 1355.25ms. Allocated memory is still 142.6MB. Free memory was 60.1MB in the beginning and 50.3MB in the end (delta: 9.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-12-13 14:52:10,305 INFO L158 Benchmark]: Witness Printer took 54.53ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 46.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:52:10,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 841.82ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 74.0MB in the beginning and 84.5MB in the end (delta: -10.5MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.42ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 80.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.45ms. Allocated memory is still 142.6MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.97ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 60.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1355.25ms. Allocated memory is still 142.6MB. Free memory was 60.1MB in the beginning and 50.3MB in the end (delta: 9.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Witness Printer took 54.53ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 46.1MB 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: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 59 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 1054 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 601 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 453 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 33, 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, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 28 PreInvPairs, 36 NumberOfFragments, 65 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 56/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: STATIC_CONST_FIVE == 5 RESULT: Ultimate proved your program to be correct! [2022-12-13 14:52:10,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a4c09f-60dc-4f6a-a9b3-1172945f4d10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE