./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_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_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/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_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/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_1ef29229-3296-4979-9986-fb87015742e9/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 d1245ec8894036eaffca11ad2ccc2a8c92f80d23df1534a71f87dd72e97ad45e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:39:37,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:39:37,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:39:37,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:39:37,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:39:37,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:39:37,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:39:37,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:39:37,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:39:37,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:39:37,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:39:37,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:39:37,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:39:37,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:39:37,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:39:37,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:39:37,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:39:37,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:39:37,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:39:37,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:39:37,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:39:37,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:39:37,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:39:37,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:39:37,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:39:37,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:39:37,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:39:37,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:39:37,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:39:37,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:39:37,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:39:37,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:39:37,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:39:37,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:39:37,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:39:37,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:39:37,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:39:37,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:39:37,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:39:37,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:39:37,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:39:37,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:39:37,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:39:37,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:39:37,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:39:37,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:39:37,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:39:37,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:39:37,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:39:37,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:39:37,371 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:39:37,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:39:37,371 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:39:37,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:39:37,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:39:37,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:39:37,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:39:37,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:39:37,372 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:39:37,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:39:37,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:39:37,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:39:37,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:39:37,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:39:37,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:39:37,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:39:37,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:39:37,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:39:37,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:39:37,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:39:37,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:39:37,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:39:37,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:39:37,375 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:39:37,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:39:37,375 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:39:37,376 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_1ef29229-3296-4979-9986-fb87015742e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1245ec8894036eaffca11ad2ccc2a8c92f80d23df1534a71f87dd72e97ad45e [2022-12-13 20:39:37,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:39:37,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:39:37,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:39:37,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:39:37,598 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:39:37,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_06_good.i [2022-12-13 20:39:40,160 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:39:40,367 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:39:40,367 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_06_good.i [2022-12-13 20:39:40,380 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/data/f04ada37f/1fef1c0e106b434890e7fbfb5ace5e85/FLAG8bbbc187c [2022-12-13 20:39:40,391 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/data/f04ada37f/1fef1c0e106b434890e7fbfb5ace5e85 [2022-12-13 20:39:40,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:39:40,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:39:40,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:39:40,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:39:40,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:39:40,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:39:40" (1/1) ... [2022-12-13 20:39:40,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca6427c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:40, skipping insertion in model container [2022-12-13 20:39:40,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:39:40" (1/1) ... [2022-12-13 20:39:40,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:39:40,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:39:40,693 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:39:40,991 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:39:40,995 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:39:40,997 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:39:40,998 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:39:40,999 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:39:41,026 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:39:41,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:39:41,034 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:39:41,048 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:39:41,078 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:39:41,079 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:39:41,080 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:39:41,081 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:39:41,082 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:39:41,088 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:39:41,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:39:41,194 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:39:41,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41 WrapperNode [2022-12-13 20:39:41,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:39:41,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:39:41,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:39:41,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:39:41,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,245 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2022-12-13 20:39:41,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:39:41,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:39:41,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:39:41,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:39:41,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,260 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:39:41,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:39:41,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:39:41,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:39:41,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (1/1) ... [2022-12-13 20:39:41,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:39:41,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:39:41,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:39:41,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:39:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 20:39:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 20:39:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:39:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:39:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:39:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:39:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:39:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:39:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:39:41,424 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:39:41,425 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:39:41,546 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:39:41,550 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:39:41,550 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:39:41,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:39:41 BoogieIcfgContainer [2022-12-13 20:39:41,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:39:41,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:39:41,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:39:41,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:39:41,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:39:40" (1/3) ... [2022-12-13 20:39:41,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9d18d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:39:41, skipping insertion in model container [2022-12-13 20:39:41,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:41" (2/3) ... [2022-12-13 20:39:41,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9d18d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:39:41, skipping insertion in model container [2022-12-13 20:39:41,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:39:41" (3/3) ... [2022-12-13 20:39:41,558 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_06_good.i [2022-12-13 20:39:41,571 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:39:41,571 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 20:39:41,604 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:39:41,609 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;@5da1df6c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:39:41,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 20:39:41,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 49 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 20:39:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 20:39:41,617 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:39:41,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:39:41,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 20:39:41,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:39:41,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1612535356, now seen corresponding path program 1 times [2022-12-13 20:39:41,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:39:41,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608387062] [2022-12-13 20:39:41,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:39:41,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:39:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:41,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:39:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:39:41,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:39:41,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608387062] [2022-12-13 20:39:41,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608387062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:39:41,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:39:41,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:39:41,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116357424] [2022-12-13 20:39:41,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:39:41,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:39:41,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:39:41,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:39:41,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:39:41,830 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 49 states have internal predecessors, (53), 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 20:39:41,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:39:41,862 INFO L93 Difference]: Finished difference Result 138 states and 183 transitions. [2022-12-13 20:39:41,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:39:41,864 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 20:39:41,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:39:41,870 INFO L225 Difference]: With dead ends: 138 [2022-12-13 20:39:41,870 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 20:39:41,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:39:41,874 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 36 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 192 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 20:39:41,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 192 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:39:41,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 20:39:41,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 49. [2022-12-13 20:39:41,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 44 states have internal predecessors, (49), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:39:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2022-12-13 20:39:41,904 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 12 [2022-12-13 20:39:41,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:39:41,904 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2022-12-13 20:39:41,904 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 20:39:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-12-13 20:39:41,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 20:39:41,905 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:39:41,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:39:41,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:39:41,905 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 20:39:41,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:39:41,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1612475774, now seen corresponding path program 1 times [2022-12-13 20:39:41,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:39:41,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588910226] [2022-12-13 20:39:41,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:39:41,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:39:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:39:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:39:41,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:39:41,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588910226] [2022-12-13 20:39:41,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588910226] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:39:41,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:39:41,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:39:41,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13063937] [2022-12-13 20:39:41,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:39:41,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:39:41,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:39:41,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:39:41,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:39:41,956 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. 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 20:39:41,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:39:41,976 INFO L93 Difference]: Finished difference Result 82 states and 106 transitions. [2022-12-13 20:39:41,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:39:41,977 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 20:39:41,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:39:41,977 INFO L225 Difference]: With dead ends: 82 [2022-12-13 20:39:41,977 INFO L226 Difference]: Without dead ends: 40 [2022-12-13 20:39:41,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:39:41,978 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:39:41,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 36 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:39:41,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-13 20:39:41,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-12-13 20:39:41,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 33 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 20:39:41,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-12-13 20:39:41,983 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 12 [2022-12-13 20:39:41,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:39:41,983 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-12-13 20:39:41,983 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 20:39:41,984 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-12-13 20:39:41,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 20:39:41,984 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:39:41,984 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:39:41,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:39:41,984 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 20:39:41,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:39:41,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1124350348, now seen corresponding path program 1 times [2022-12-13 20:39:41,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:39:41,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798009313] [2022-12-13 20:39:41,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:39:41,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:39:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:39:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:39:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 20:39:42,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:39:42,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798009313] [2022-12-13 20:39:42,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798009313] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:39:42,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:39:42,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:39:42,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459155346] [2022-12-13 20:39:42,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:39:42,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:39:42,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:39:42,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:39:42,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:39:42,041 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:39:42,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:39:42,047 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2022-12-13 20:39:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:39:42,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (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 21 [2022-12-13 20:39:42,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:39:42,048 INFO L225 Difference]: With dead ends: 58 [2022-12-13 20:39:42,048 INFO L226 Difference]: Without dead ends: 35 [2022-12-13 20:39:42,048 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 20:39:42,050 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 14 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:39:42,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 54 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:39:42,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-13 20:39:42,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-13 20:39:42,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.16) internal successors, (29), 28 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 20:39:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2022-12-13 20:39:42,056 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 21 [2022-12-13 20:39:42,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:39:42,057 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2022-12-13 20:39:42,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:39:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2022-12-13 20:39:42,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 20:39:42,058 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:39:42,058 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] [2022-12-13 20:39:42,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:39:42,058 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 20:39:42,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:39:42,059 INFO L85 PathProgramCache]: Analyzing trace with hash 2121325827, now seen corresponding path program 1 times [2022-12-13 20:39:42,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:39:42,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143518834] [2022-12-13 20:39:42,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:39:42,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:39:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:39:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:39:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:39:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,140 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 20:39:42,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:39:42,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143518834] [2022-12-13 20:39:42,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143518834] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:39:42,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:39:42,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:39:42,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498599973] [2022-12-13 20:39:42,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:39:42,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:39:42,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:39:42,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:39:42,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:39:42,143 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 20:39:42,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:39:42,162 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2022-12-13 20:39:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:39:42,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 29 [2022-12-13 20:39:42,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:39:42,164 INFO L225 Difference]: With dead ends: 35 [2022-12-13 20:39:42,164 INFO L226 Difference]: Without dead ends: 34 [2022-12-13 20:39:42,164 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 20:39:42,165 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 5 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 93 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 20:39:42,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 93 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:39:42,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-13 20:39:42,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-12-13 20:39:42,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.12) internal successors, (28), 27 states have internal predecessors, (28), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 20:39:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2022-12-13 20:39:42,172 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 29 [2022-12-13 20:39:42,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:39:42,172 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2022-12-13 20:39:42,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 20:39:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-12-13 20:39:42,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 20:39:42,173 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:39:42,173 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] [2022-12-13 20:39:42,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:39:42,174 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 20:39:42,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:39:42,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1336591305, now seen corresponding path program 1 times [2022-12-13 20:39:42,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:39:42,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195911445] [2022-12-13 20:39:42,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:39:42,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:39:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:39:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:39:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:39:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,242 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 20:39:42,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:39:42,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195911445] [2022-12-13 20:39:42,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195911445] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:39:42,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:39:42,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:39:42,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178324581] [2022-12-13 20:39:42,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:39:42,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:39:42,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:39:42,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:39:42,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:39:42,245 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (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 20:39:42,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:39:42,260 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-12-13 20:39:42,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:39:42,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (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 30 [2022-12-13 20:39:42,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:39:42,261 INFO L225 Difference]: With dead ends: 34 [2022-12-13 20:39:42,261 INFO L226 Difference]: Without dead ends: 33 [2022-12-13 20:39:42,261 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 20:39:42,262 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 8 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 86 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 20:39:42,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 86 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:39:42,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-13 20:39:42,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-13 20:39:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.08) internal successors, (27), 26 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 20:39:42,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2022-12-13 20:39:42,267 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 30 [2022-12-13 20:39:42,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:39:42,268 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2022-12-13 20:39:42,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (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 20:39:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2022-12-13 20:39:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 20:39:42,269 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:39:42,269 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] [2022-12-13 20:39:42,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:39:42,269 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 20:39:42,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:39:42,270 INFO L85 PathProgramCache]: Analyzing trace with hash -890254290, now seen corresponding path program 1 times [2022-12-13 20:39:42,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:39:42,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850392390] [2022-12-13 20:39:42,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:39:42,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:39:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:39:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:39:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:39:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 20:39:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,338 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 20:39:42,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:39:42,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850392390] [2022-12-13 20:39:42,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850392390] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:39:42,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:39:42,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:39:42,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29242834] [2022-12-13 20:39:42,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:39:42,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:39:42,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:39:42,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:39:42,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:39:42,340 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 20:39:42,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:39:42,352 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2022-12-13 20:39:42,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:39:42,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 38 [2022-12-13 20:39:42,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:39:42,354 INFO L225 Difference]: With dead ends: 33 [2022-12-13 20:39:42,354 INFO L226 Difference]: Without dead ends: 32 [2022-12-13 20:39:42,354 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 20:39:42,355 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 90 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 20:39:42,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 90 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:39:42,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-13 20:39:42,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-12-13 20:39:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 20:39:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2022-12-13 20:39:42,359 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 38 [2022-12-13 20:39:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:39:42,360 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2022-12-13 20:39:42,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 20:39:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-12-13 20:39:42,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 20:39:42,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:39:42,361 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] [2022-12-13 20:39:42,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:39:42,361 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 20:39:42,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:39:42,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1828079088, now seen corresponding path program 1 times [2022-12-13 20:39:42,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:39:42,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034658256] [2022-12-13 20:39:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:39:42,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:39:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:39:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:39:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:39:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 20:39:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:42,433 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 20:39:42,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:39:42,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034658256] [2022-12-13 20:39:42,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034658256] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:39:42,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:39:42,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:39:42,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591964255] [2022-12-13 20:39:42,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:39:42,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:39:42,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:39:42,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:39:42,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:39:42,435 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 20:39:42,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:39:42,447 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-12-13 20:39:42,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:39:42,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 39 [2022-12-13 20:39:42,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:39:42,448 INFO L225 Difference]: With dead ends: 32 [2022-12-13 20:39:42,448 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:39:42,448 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 20:39:42,449 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 90 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 20:39:42,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 90 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:39:42,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:39:42,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:39:42,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:39:42,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:39:42,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-12-13 20:39:42,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:39:42,451 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:39:42,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 20:39:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:39:42,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:39:42,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 20:39:42,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 20:39:42,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 20:39:42,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 20:39:42,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 20:39:42,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 20:39:42,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 20:39:42,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 20:39:42,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:39:42,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:39:42,491 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 20:39:42,491 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 20:39:42,491 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 20:39:42,491 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 20:39:42,491 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 20:39:42,491 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 20:39:42,491 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 20:39:42,492 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: false [2022-12-13 20:39:42,492 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2022-12-13 20:39:42,492 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2022-12-13 20:39:42,492 INFO L899 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2022-12-13 20:39:42,492 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1572) no Hoare annotation was computed. [2022-12-13 20:39:42,492 INFO L895 garLoopResultBuilder]: At program point L1559(line 1559) the Hoare annotation is: false [2022-12-13 20:39:42,492 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1642 1649) the Hoare annotation is: true [2022-12-13 20:39:42,492 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2022-12-13 20:39:42,492 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1608) no Hoare annotation was computed. [2022-12-13 20:39:42,493 INFO L899 garLoopResultBuilder]: For program point L1601-1(lines 1598 1617) no Hoare annotation was computed. [2022-12-13 20:39:42,493 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:39:42,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2022-12-13 20:39:42,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-12-13 20:39:42,493 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1617) no Hoare annotation was computed. [2022-12-13 20:39:42,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:39:42,493 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0)) [2022-12-13 20:39:42,493 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1625) no Hoare annotation was computed. [2022-12-13 20:39:42,494 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: false [2022-12-13 20:39:42,494 INFO L899 garLoopResultBuilder]: For program point L1622-2(lines 1619 1634) no Hoare annotation was computed. [2022-12-13 20:39:42,494 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1634) no Hoare annotation was computed. [2022-12-13 20:39:42,494 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1594) no Hoare annotation was computed. [2022-12-13 20:39:42,494 INFO L902 garLoopResultBuilder]: At program point L1647(line 1647) the Hoare annotation is: true [2022-12-13 20:39:42,494 INFO L895 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0)) [2022-12-13 20:39:42,494 INFO L899 garLoopResultBuilder]: For program point L1647-1(line 1647) no Hoare annotation was computed. [2022-12-13 20:39:42,494 INFO L899 garLoopResultBuilder]: For program point L1635(lines 1635 1641) no Hoare annotation was computed. [2022-12-13 20:39:42,494 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2022-12-13 20:39:42,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:39:42,495 INFO L902 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: true [2022-12-13 20:39:42,495 INFO L899 garLoopResultBuilder]: For program point L1565(line 1565) no Hoare annotation was computed. [2022-12-13 20:39:42,495 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2022-12-13 20:39:42,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-12-13 20:39:42,495 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1556) no Hoare annotation was computed. [2022-12-13 20:39:42,495 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1550 1574) no Hoare annotation was computed. [2022-12-13 20:39:42,495 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:39:42,495 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: false [2022-12-13 20:39:42,496 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2022-12-13 20:39:42,496 INFO L899 garLoopResultBuilder]: For program point L1587(line 1587) no Hoare annotation was computed. [2022-12-13 20:39:42,496 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-12-13 20:39:42,496 INFO L895 garLoopResultBuilder]: At program point L1645(line 1645) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-12-13 20:39:42,496 INFO L899 garLoopResultBuilder]: For program point L1645-1(line 1645) no Hoare annotation was computed. [2022-12-13 20:39:42,496 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-12-13 20:39:42,496 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1582) no Hoare annotation was computed. [2022-12-13 20:39:42,496 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2022-12-13 20:39:42,496 INFO L899 garLoopResultBuilder]: For program point L1579-2(lines 1576 1596) no Hoare annotation was computed. [2022-12-13 20:39:42,497 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2022-12-13 20:39:42,497 INFO L899 garLoopResultBuilder]: For program point L1575(lines 1575 1596) no Hoare annotation was computed. [2022-12-13 20:39:42,497 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| 2147483648) 0)) [2022-12-13 20:39:42,497 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1549 1574) no Hoare annotation was computed. [2022-12-13 20:39:42,500 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:39:42,502 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:39:42,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:39:42 BoogieIcfgContainer [2022-12-13 20:39:42,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:39:42,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:39:42,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:39:42,511 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:39:42,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:39:41" (3/4) ... [2022-12-13 20:39:42,514 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:39:42,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 20:39:42,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 20:39:42,525 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 20:39:42,525 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 20:39:42,525 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 20:39:42,526 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:39:42,563 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:39:42,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:39:42,563 INFO L158 Benchmark]: Toolchain (without parser) took 2168.99ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 84.9MB in the beginning and 100.9MB in the end (delta: -16.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-12-13 20:39:42,563 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:39:42,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 799.60ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 84.6MB in the beginning and 94.6MB in the end (delta: -10.1MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-12-13 20:39:42,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.96ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 91.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:39:42,564 INFO L158 Benchmark]: Boogie Preprocessor took 16.91ms. Allocated memory is still 157.3MB. Free memory was 91.7MB in the beginning and 90.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:39:42,565 INFO L158 Benchmark]: RCFGBuilder took 288.66ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 76.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:39:42,565 INFO L158 Benchmark]: TraceAbstraction took 957.05ms. Allocated memory is still 157.3MB. Free memory was 75.8MB in the beginning and 104.1MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:39:42,565 INFO L158 Benchmark]: Witness Printer took 51.93ms. Allocated memory is still 157.3MB. Free memory was 104.1MB in the beginning and 100.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:39:42,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 799.60ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 84.6MB in the beginning and 94.6MB in the end (delta: -10.1MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.96ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 91.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.91ms. Allocated memory is still 157.3MB. Free memory was 91.7MB in the beginning and 90.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.66ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 76.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 957.05ms. Allocated memory is still 157.3MB. Free memory was 75.8MB in the beginning and 104.1MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 51.93ms. Allocated memory is still 157.3MB. Free memory was 104.1MB in the beginning and 100.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 324 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 317 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 35 PreInvPairs, 44 NumberOfFragments, 44 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 52/52 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: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 20:39:42,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef29229-3296-4979-9986-fb87015742e9/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