./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_10x0-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/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_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_10x0-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/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 32bit --witnessprinter.graph.data.programhash 68d0cd7d514b491e1404560081afc21267eb1b3dae98cdb9832a8634357d65e4 --- 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 19:12:21,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:12:21,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:12:21,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:12:21,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:12:21,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:12:21,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:12:21,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:12:21,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:12:21,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:12:21,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:12:21,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:12:21,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:12:21,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:12:21,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:12:21,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:12:21,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:12:21,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:12:21,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:12:21,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:12:21,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:12:21,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:12:21,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:12:21,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:12:21,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:12:21,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:12:21,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:12:21,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:12:21,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:12:21,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:12:21,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:12:21,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:12:21,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:12:21,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:12:21,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:12:21,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:12:21,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:12:21,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:12:21,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:12:21,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:12:21,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:12:21,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 19:12:21,128 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:12:21,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:12:21,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:12:21,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:12:21,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:12:21,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:12:21,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:12:21,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:12:21,130 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:12:21,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:12:21,131 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:12:21,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:12:21,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:12:21,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:12:21,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:12:21,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:12:21,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:12:21,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:12:21,132 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:12:21,132 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:12:21,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:12:21,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:12:21,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:12:21,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:12:21,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:12:21,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:12:21,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:12:21,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:12:21,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:12:21,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:12:21,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:12:21,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:12:21,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:12:21,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:12:21,134 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:12:21,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:12:21,135 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:12:21,135 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_551b52eb-925b-4647-87b2-595caa24113c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68d0cd7d514b491e1404560081afc21267eb1b3dae98cdb9832a8634357d65e4 [2022-12-13 19:12:21,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:12:21,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:12:21,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:12:21,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:12:21,332 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:12:21,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2022-12-13 19:12:23,919 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:12:24,087 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:12:24,087 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2022-12-13 19:12:24,091 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/data/3fbeca3b0/da4cef5da8024700836d6f476f30775f/FLAG523c77621 [2022-12-13 19:12:24,101 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/data/3fbeca3b0/da4cef5da8024700836d6f476f30775f [2022-12-13 19:12:24,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:12:24,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:12:24,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:12:24,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:12:24,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:12:24,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508623ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24, skipping insertion in model container [2022-12-13 19:12:24,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:12:24,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:12:24,224 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/sv-benchmarks/c/recursive-simple/sum_10x0-1.c[481,494] [2022-12-13 19:12:24,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:12:24,232 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:12:24,241 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/sv-benchmarks/c/recursive-simple/sum_10x0-1.c[481,494] [2022-12-13 19:12:24,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:12:24,251 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:12:24,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24 WrapperNode [2022-12-13 19:12:24,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:12:24,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:12:24,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:12:24,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:12:24,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,274 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-12-13 19:12:24,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:12:24,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:12:24,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:12:24,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:12:24,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,285 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:12:24,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:12:24,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:12:24,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:12:24,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (1/1) ... [2022-12-13 19:12:24,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:12:24,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:24,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:12:24,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:12:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:12:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:12:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:12:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-12-13 19:12:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-12-13 19:12:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:12:24,402 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:12:24,404 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:12:24,503 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:12:24,509 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:12:24,510 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:12:24,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:24 BoogieIcfgContainer [2022-12-13 19:12:24,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:12:24,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:12:24,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:12:24,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:12:24,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:12:24" (1/3) ... [2022-12-13 19:12:24,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b30d6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:12:24, skipping insertion in model container [2022-12-13 19:12:24,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:24" (2/3) ... [2022-12-13 19:12:24,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b30d6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:12:24, skipping insertion in model container [2022-12-13 19:12:24,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:24" (3/3) ... [2022-12-13 19:12:24,521 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_10x0-1.c [2022-12-13 19:12:24,540 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:12:24,541 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 19:12:24,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:12:24,595 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;@67e838c2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:12:24,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 19:12:24,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 27 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:12:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 19:12:24,606 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:24,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 19:12:24,607 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:24,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:24,611 INFO L85 PathProgramCache]: Analyzing trace with hash 890531536, now seen corresponding path program 1 times [2022-12-13 19:12:24,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:24,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614710662] [2022-12-13 19:12:24,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:24,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:24,764 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 19:12:24,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:24,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614710662] [2022-12-13 19:12:24,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614710662] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:24,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:12:24,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:12:24,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748335735] [2022-12-13 19:12:24,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:24,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:12:24,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:24,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:12:24,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:12:24,803 INFO L87 Difference]: Start difference. First operand has 31 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 27 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:24,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:24,896 INFO L93 Difference]: Finished difference Result 61 states and 64 transitions. [2022-12-13 19:12:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:12:24,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 19:12:24,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:24,904 INFO L225 Difference]: With dead ends: 61 [2022-12-13 19:12:24,904 INFO L226 Difference]: Without dead ends: 39 [2022-12-13 19:12:24,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:12:24,910 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 30 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:24,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 72 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:12:24,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-13 19:12:24,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2022-12-13 19:12:24,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 30 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 19:12:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2022-12-13 19:12:24,943 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 6 [2022-12-13 19:12:24,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:24,944 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2022-12-13 19:12:24,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-12-13 19:12:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 19:12:24,945 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:24,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:24,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:12:24,945 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:24,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:24,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1836678861, now seen corresponding path program 1 times [2022-12-13 19:12:24,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:24,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287398736] [2022-12-13 19:12:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:24,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:25,009 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 19:12:25,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:25,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287398736] [2022-12-13 19:12:25,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287398736] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:25,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:12:25,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:12:25,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247001037] [2022-12-13 19:12:25,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:25,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:12:25,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:25,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:12:25,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:12:25,012 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:25,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:25,055 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2022-12-13 19:12:25,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:12:25,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-13 19:12:25,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:25,056 INFO L225 Difference]: With dead ends: 36 [2022-12-13 19:12:25,056 INFO L226 Difference]: Without dead ends: 35 [2022-12-13 19:12:25,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:12:25,058 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 33 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:25,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 24 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:12:25,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-13 19:12:25,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-13 19:12:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.391304347826087) internal successors, (32), 29 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 19:12:25,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2022-12-13 19:12:25,066 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 7 [2022-12-13 19:12:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:25,066 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2022-12-13 19:12:25,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2022-12-13 19:12:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 19:12:25,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:25,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:25,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:12:25,068 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:25,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:25,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1102469906, now seen corresponding path program 1 times [2022-12-13 19:12:25,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:25,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110040944] [2022-12-13 19:12:25,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:25,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:25,138 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 19:12:25,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:25,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110040944] [2022-12-13 19:12:25,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110040944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:25,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:12:25,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:12:25,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385367971] [2022-12-13 19:12:25,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:25,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:12:25,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:25,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:12:25,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:12:25,140 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:25,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:25,187 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2022-12-13 19:12:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:12:25,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-13 19:12:25,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:25,188 INFO L225 Difference]: With dead ends: 37 [2022-12-13 19:12:25,188 INFO L226 Difference]: Without dead ends: 35 [2022-12-13 19:12:25,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:12:25,190 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 16 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:25,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 68 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:12:25,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-13 19:12:25,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-13 19:12:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 29 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 19:12:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2022-12-13 19:12:25,202 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 8 [2022-12-13 19:12:25,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:25,203 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2022-12-13 19:12:25,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2022-12-13 19:12:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 19:12:25,204 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:25,204 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:25,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:12:25,204 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:25,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:25,205 INFO L85 PathProgramCache]: Analyzing trace with hash -881410885, now seen corresponding path program 1 times [2022-12-13 19:12:25,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:25,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069087711] [2022-12-13 19:12:25,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:25,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:25,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:25,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069087711] [2022-12-13 19:12:25,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069087711] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:12:25,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040416226] [2022-12-13 19:12:25,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:25,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:25,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:25,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:12:25,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:12:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:25,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:12:25,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:12:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:25,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:12:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:25,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040416226] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:12:25,426 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:12:25,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-12-13 19:12:25,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640478744] [2022-12-13 19:12:25,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:12:25,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 19:12:25,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:25,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 19:12:25,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:12:25,429 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 12 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:25,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:25,542 INFO L93 Difference]: Finished difference Result 88 states and 97 transitions. [2022-12-13 19:12:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 19:12:25,543 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-13 19:12:25,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:25,545 INFO L225 Difference]: With dead ends: 88 [2022-12-13 19:12:25,545 INFO L226 Difference]: Without dead ends: 72 [2022-12-13 19:12:25,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2022-12-13 19:12:25,547 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 102 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:25,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 121 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:12:25,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-13 19:12:25,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 64. [2022-12-13 19:12:25,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 52 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 19:12:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 71 transitions. [2022-12-13 19:12:25,556 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 71 transitions. Word has length 13 [2022-12-13 19:12:25,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:25,557 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 71 transitions. [2022-12-13 19:12:25,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2022-12-13 19:12:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 19:12:25,557 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:25,557 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:25,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:12:25,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-13 19:12:25,760 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:25,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:25,761 INFO L85 PathProgramCache]: Analyzing trace with hash -927147459, now seen corresponding path program 1 times [2022-12-13 19:12:25,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:25,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815349792] [2022-12-13 19:12:25,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:25,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:25,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:25,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815349792] [2022-12-13 19:12:25,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815349792] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:12:25,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030822294] [2022-12-13 19:12:25,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:25,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:25,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:25,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:12:25,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:12:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:25,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:12:25,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:12:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:25,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:12:25,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030822294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:25,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:12:25,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2022-12-13 19:12:25,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065922119] [2022-12-13 19:12:25,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:25,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:12:25,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:25,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:12:25,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:12:25,996 INFO L87 Difference]: Start difference. First operand 64 states and 71 transitions. Second operand has 7 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:26,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:26,039 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2022-12-13 19:12:26,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:12:26,040 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-13 19:12:26,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:26,041 INFO L225 Difference]: With dead ends: 64 [2022-12-13 19:12:26,041 INFO L226 Difference]: Without dead ends: 63 [2022-12-13 19:12:26,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:12:26,042 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 54 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:26,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 41 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:12:26,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-13 19:12:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-13 19:12:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 51 states have internal predecessors, (55), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 19:12:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-12-13 19:12:26,050 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 15 [2022-12-13 19:12:26,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:26,051 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-12-13 19:12:26,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-12-13 19:12:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 19:12:26,052 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:26,052 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:26,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:12:26,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:26,254 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:26,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:26,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1323199908, now seen corresponding path program 1 times [2022-12-13 19:12:26,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:26,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876224415] [2022-12-13 19:12:26,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:26,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:26,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:26,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876224415] [2022-12-13 19:12:26,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876224415] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:12:26,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342876052] [2022-12-13 19:12:26,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:26,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:26,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:26,395 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:12:26,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 19:12:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:26,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:12:26,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:12:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:26,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:12:26,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:26,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342876052] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:12:26,506 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:12:26,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2022-12-13 19:12:26,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997224530] [2022-12-13 19:12:26,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:12:26,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 19:12:26,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:26,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 19:12:26,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-13 19:12:26,507 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:26,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:26,610 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2022-12-13 19:12:26,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 19:12:26,610 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-13 19:12:26,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:26,611 INFO L225 Difference]: With dead ends: 66 [2022-12-13 19:12:26,611 INFO L226 Difference]: Without dead ends: 65 [2022-12-13 19:12:26,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2022-12-13 19:12:26,612 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 64 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:26,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 165 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:12:26,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-12-13 19:12:26,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2022-12-13 19:12:26,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 51 states have internal predecessors, (52), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 19:12:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2022-12-13 19:12:26,621 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 16 [2022-12-13 19:12:26,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:26,622 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2022-12-13 19:12:26,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:26,622 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2022-12-13 19:12:26,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 19:12:26,623 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:26,623 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2022-12-13 19:12:26,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 19:12:26,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:26,825 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:26,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:26,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1208760848, now seen corresponding path program 2 times [2022-12-13 19:12:26,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:26,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825772590] [2022-12-13 19:12:26,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:26,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:27,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:27,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825772590] [2022-12-13 19:12:27,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825772590] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:12:27,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004242900] [2022-12-13 19:12:27,061 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:12:27,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:27,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:27,062 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:12:27,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 19:12:27,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:12:27,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:12:27,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 19:12:27,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:12:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:27,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:12:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:27,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004242900] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:12:27,264 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:12:27,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 24 [2022-12-13 19:12:27,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617868548] [2022-12-13 19:12:27,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:12:27,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 19:12:27,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:27,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 19:12:27,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2022-12-13 19:12:27,266 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand has 24 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 14 states have internal predecessors, (56), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:27,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:27,489 INFO L93 Difference]: Finished difference Result 155 states and 167 transitions. [2022-12-13 19:12:27,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 19:12:27,489 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 14 states have internal predecessors, (56), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-13 19:12:27,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:27,490 INFO L225 Difference]: With dead ends: 155 [2022-12-13 19:12:27,490 INFO L226 Difference]: Without dead ends: 131 [2022-12-13 19:12:27,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 19:12:27,491 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 218 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:27,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 302 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:12:27,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-12-13 19:12:27,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 123. [2022-12-13 19:12:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 95 states have (on average 1.1157894736842104) internal successors, (106), 99 states have internal predecessors, (106), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 19:12:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 130 transitions. [2022-12-13 19:12:27,500 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 130 transitions. Word has length 34 [2022-12-13 19:12:27,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:27,500 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 130 transitions. [2022-12-13 19:12:27,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 14 states have internal predecessors, (56), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:27,500 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2022-12-13 19:12:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 19:12:27,500 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:27,500 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2022-12-13 19:12:27,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 19:12:27,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:27,701 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:27,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:27,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1193440303, now seen corresponding path program 2 times [2022-12-13 19:12:27,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:27,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833633625] [2022-12-13 19:12:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:27,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:27,801 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:27,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:27,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833633625] [2022-12-13 19:12:27,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833633625] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:12:27,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81093649] [2022-12-13 19:12:27,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:12:27,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:27,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:27,802 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:12:27,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 19:12:27,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:12:27,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:12:27,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 19:12:27,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:12:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:27,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:12:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:28,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81093649] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:12:28,032 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:12:28,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2022-12-13 19:12:28,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398173866] [2022-12-13 19:12:28,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:12:28,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-13 19:12:28,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:28,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-13 19:12:28,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2022-12-13 19:12:28,034 INFO L87 Difference]: Start difference. First operand 123 states and 130 transitions. Second operand has 27 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 16 states have internal predecessors, (70), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:28,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:28,254 INFO L93 Difference]: Finished difference Result 126 states and 133 transitions. [2022-12-13 19:12:28,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 19:12:28,254 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 16 states have internal predecessors, (70), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-12-13 19:12:28,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:28,255 INFO L225 Difference]: With dead ends: 126 [2022-12-13 19:12:28,255 INFO L226 Difference]: Without dead ends: 125 [2022-12-13 19:12:28,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 19:12:28,256 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 158 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:28,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 357 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:12:28,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-12-13 19:12:28,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2022-12-13 19:12:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 95 states have (on average 1.0526315789473684) internal successors, (100), 99 states have internal predecessors, (100), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 19:12:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2022-12-13 19:12:28,265 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 37 [2022-12-13 19:12:28,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:28,265 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2022-12-13 19:12:28,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 16 states have internal predecessors, (70), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:28,266 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2022-12-13 19:12:28,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-13 19:12:28,268 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:28,268 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2022-12-13 19:12:28,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 19:12:28,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:28,470 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:28,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:28,471 INFO L85 PathProgramCache]: Analyzing trace with hash -448735504, now seen corresponding path program 3 times [2022-12-13 19:12:28,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:28,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096327412] [2022-12-13 19:12:28,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:28,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 212 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:28,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:28,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096327412] [2022-12-13 19:12:28,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096327412] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:12:28,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313438866] [2022-12-13 19:12:28,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 19:12:28,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:28,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:28,902 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:12:28,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 19:12:28,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-13 19:12:28,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:12:28,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 19:12:28,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:12:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-12-13 19:12:29,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:12:29,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313438866] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:29,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:12:29,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [24] total 28 [2022-12-13 19:12:29,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411082531] [2022-12-13 19:12:29,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:29,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:12:29,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:29,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:12:29,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812 [2022-12-13 19:12:29,018 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:29,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:29,079 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2022-12-13 19:12:29,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:12:29,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-12-13 19:12:29,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:29,080 INFO L225 Difference]: With dead ends: 125 [2022-12-13 19:12:29,080 INFO L226 Difference]: Without dead ends: 124 [2022-12-13 19:12:29,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2022-12-13 19:12:29,081 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 36 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:29,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 46 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:12:29,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-12-13 19:12:29,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2022-12-13 19:12:29,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.0421052631578946) internal successors, (99), 98 states have internal predecessors, (99), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 19:12:29,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2022-12-13 19:12:29,090 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 76 [2022-12-13 19:12:29,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:29,090 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2022-12-13 19:12:29,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:29,090 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2022-12-13 19:12:29,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 19:12:29,091 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:29,091 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:29,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 19:12:29,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:29,292 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:29,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:29,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1025898680, now seen corresponding path program 1 times [2022-12-13 19:12:29,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:29,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363542751] [2022-12-13 19:12:29,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:29,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:29,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:29,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363542751] [2022-12-13 19:12:29,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363542751] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:12:29,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416164513] [2022-12-13 19:12:29,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:29,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:29,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:29,616 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:12:29,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 19:12:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:29,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-13 19:12:29,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:12:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:29,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:12:30,210 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:30,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416164513] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:12:30,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:12:30,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 53 [2022-12-13 19:12:30,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507502712] [2022-12-13 19:12:30,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:12:30,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-12-13 19:12:30,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:30,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-12-13 19:12:30,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2022-12-13 19:12:30,213 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand has 54 states, 50 states have (on average 2.82) internal successors, (141), 31 states have internal predecessors, (141), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:30,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:30,945 INFO L93 Difference]: Finished difference Result 279 states and 313 transitions. [2022-12-13 19:12:30,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-12-13 19:12:30,946 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 50 states have (on average 2.82) internal successors, (141), 31 states have internal predecessors, (141), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-12-13 19:12:30,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:30,948 INFO L225 Difference]: With dead ends: 279 [2022-12-13 19:12:30,948 INFO L226 Difference]: Without dead ends: 277 [2022-12-13 19:12:30,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1882 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1788, Invalid=6044, Unknown=0, NotChecked=0, Total=7832 [2022-12-13 19:12:30,950 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 808 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:30,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 434 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 19:12:30,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-12-13 19:12:30,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 253. [2022-12-13 19:12:30,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 205 states have (on average 1.0682926829268293) internal successors, (219), 207 states have internal predecessors, (219), 23 states have call successors, (23), 22 states have call predecessors, (23), 22 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-12-13 19:12:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 265 transitions. [2022-12-13 19:12:30,962 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 265 transitions. Word has length 77 [2022-12-13 19:12:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:30,963 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 265 transitions. [2022-12-13 19:12:30,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 50 states have (on average 2.82) internal successors, (141), 31 states have internal predecessors, (141), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 265 transitions. [2022-12-13 19:12:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-13 19:12:30,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:30,965 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:30,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 19:12:31,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:12:31,167 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:31,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:31,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1045830572, now seen corresponding path program 1 times [2022-12-13 19:12:31,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:31,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610133332] [2022-12-13 19:12:31,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:31,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:12:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2022-12-13 19:12:31,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:31,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610133332] [2022-12-13 19:12:31,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610133332] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:31,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:12:31,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:12:31,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025659469] [2022-12-13 19:12:31,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:31,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:12:31,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:31,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:12:31,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:12:31,365 INFO L87 Difference]: Start difference. First operand 253 states and 265 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:12:31,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:31,375 INFO L93 Difference]: Finished difference Result 253 states and 265 transitions. [2022-12-13 19:12:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:12:31,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 111 [2022-12-13 19:12:31,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:31,378 INFO L225 Difference]: With dead ends: 253 [2022-12-13 19:12:31,378 INFO L226 Difference]: Without dead ends: 252 [2022-12-13 19:12:31,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 19:12:31,379 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:31,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:12:31,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-12-13 19:12:31,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2022-12-13 19:12:31,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 205 states have (on average 1.0634146341463415) internal successors, (218), 206 states have internal predecessors, (218), 23 states have call successors, (23), 22 states have call predecessors, (23), 22 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-12-13 19:12:31,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 264 transitions. [2022-12-13 19:12:31,390 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 264 transitions. Word has length 111 [2022-12-13 19:12:31,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:31,390 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 264 transitions. [2022-12-13 19:12:31,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:12:31,390 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 264 transitions. [2022-12-13 19:12:31,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-13 19:12:31,391 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:31,391 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:31,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 19:12:31,391 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:31,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:31,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1938990598, now seen corresponding path program 1 times [2022-12-13 19:12:31,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:31,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948974124] [2022-12-13 19:12:31,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:31,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:12:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:12:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2022-12-13 19:12:31,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:31,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948974124] [2022-12-13 19:12:31,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948974124] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:31,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:12:31,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:12:31,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124471205] [2022-12-13 19:12:31,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:31,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:12:31,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:31,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:12:31,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:12:31,523 INFO L87 Difference]: Start difference. First operand 252 states and 264 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:12:31,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:31,531 INFO L93 Difference]: Finished difference Result 252 states and 264 transitions. [2022-12-13 19:12:31,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:12:31,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 112 [2022-12-13 19:12:31,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:31,532 INFO L225 Difference]: With dead ends: 252 [2022-12-13 19:12:31,532 INFO L226 Difference]: Without dead ends: 158 [2022-12-13 19:12:31,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 19:12:31,533 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 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 19:12:31,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:12:31,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-12-13 19:12:31,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2022-12-13 19:12:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 134 states have (on average 1.007462686567164) internal successors, (135), 134 states have internal predecessors, (135), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2022-12-13 19:12:31,540 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 112 [2022-12-13 19:12:31,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:31,540 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2022-12-13 19:12:31,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:12:31,540 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2022-12-13 19:12:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-13 19:12:31,541 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:31,541 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 21, 21, 1, 1, 1, 1] [2022-12-13 19:12:31,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 19:12:31,542 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:12:31,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:31,542 INFO L85 PathProgramCache]: Analyzing trace with hash 260462052, now seen corresponding path program 3 times [2022-12-13 19:12:31,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:31,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950747565] [2022-12-13 19:12:31,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:31,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:31,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1167 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2022-12-13 19:12:31,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:31,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950747565] [2022-12-13 19:12:31,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950747565] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:31,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:12:31,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-12-13 19:12:31,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763677008] [2022-12-13 19:12:31,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:31,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-13 19:12:31,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:31,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-13 19:12:31,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2022-12-13 19:12:31,856 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand has 25 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 14 states have internal predecessors, (71), 12 states have call successors, (12), 12 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:12:31,987 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2022-12-13 19:12:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 19:12:31,988 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 14 states have internal predecessors, (71), 12 states have call successors, (12), 12 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 156 [2022-12-13 19:12:31,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:12:31,988 INFO L225 Difference]: With dead ends: 157 [2022-12-13 19:12:31,988 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 19:12:31,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=366, Invalid=894, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 19:12:31,990 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 61 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:12:31,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 136 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:12:31,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 19:12:31,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 19:12:31,991 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 19:12:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:12:31,991 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2022-12-13 19:12:31,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:12:31,991 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:12:31,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 14 states have internal predecessors, (71), 12 states have call successors, (12), 12 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:12:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:12:31,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 19:12:31,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 19:12:31,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 19:12:31,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 19:12:31,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 19:12:31,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 19:12:31,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 19:12:31,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 19:12:31,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 19:12:31,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 19:12:31,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 19:12:32,428 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-12-13 19:12:32,428 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 19:12:32,428 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 19:12:32,428 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-12-13 19:12:32,428 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 19:12:32,428 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2022-12-13 19:12:32,428 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2022-12-13 19:12:32,429 INFO L895 garLoopResultBuilder]: At program point L16(line 16) the Hoare annotation is: (and (<= 10 |ULTIMATE.start_main_~a~0#1|) (= |ULTIMATE.start_main_~b~0#1| 0) (<= |ULTIMATE.start_main_~a~0#1| 10)) [2022-12-13 19:12:32,429 INFO L899 garLoopResultBuilder]: For program point L17-1(line 17) no Hoare annotation was computed. [2022-12-13 19:12:32,429 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2022-12-13 19:12:32,429 INFO L899 garLoopResultBuilder]: For program point L17-2(lines 17 19) no Hoare annotation was computed. [2022-12-13 19:12:32,429 INFO L899 garLoopResultBuilder]: For program point L13(lines 13 20) no Hoare annotation was computed. [2022-12-13 19:12:32,429 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 19:12:32,429 INFO L899 garLoopResultBuilder]: For program point sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7) no Hoare annotation was computed. [2022-12-13 19:12:32,429 INFO L899 garLoopResultBuilder]: For program point sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7) no Hoare annotation was computed. [2022-12-13 19:12:32,429 INFO L899 garLoopResultBuilder]: For program point sumEXIT(lines 5 11) no Hoare annotation was computed. [2022-12-13 19:12:32,429 INFO L899 garLoopResultBuilder]: For program point sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2022-12-13 19:12:32,430 INFO L899 garLoopResultBuilder]: For program point sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2022-12-13 19:12:32,430 INFO L899 garLoopResultBuilder]: For program point sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2022-12-13 19:12:32,430 INFO L899 garLoopResultBuilder]: For program point sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2022-12-13 19:12:32,430 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5 11) the Hoare annotation is: true [2022-12-13 19:12:32,430 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2022-12-13 19:12:32,430 INFO L899 garLoopResultBuilder]: For program point L9-1(line 9) no Hoare annotation was computed. [2022-12-13 19:12:32,430 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2022-12-13 19:12:32,430 INFO L899 garLoopResultBuilder]: For program point L9-2(line 9) no Hoare annotation was computed. [2022-12-13 19:12:32,430 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 10) no Hoare annotation was computed. [2022-12-13 19:12:32,430 INFO L899 garLoopResultBuilder]: For program point L7-1(line 7) no Hoare annotation was computed. [2022-12-13 19:12:32,430 INFO L899 garLoopResultBuilder]: For program point L9-3(line 9) no Hoare annotation was computed. [2022-12-13 19:12:32,432 INFO L895 garLoopResultBuilder]: At program point L9-4(line 9) the Hoare annotation is: (let ((.cse2 (not (<= 0 |sum_#in~n|))) (.cse0 (not (<= 1 |sum_#in~m|))) (.cse1 (<= 1 sum_~m))) (and (or .cse0 (not (<= 8 |sum_#in~n|)) (and (<= 8 sum_~n) (<= sum_~m 2) (<= sum_~n 8) .cse1) (not (<= |sum_#in~n| 8)) (not (<= |sum_#in~m| 2))) (or .cse0 (not (<= |sum_#in~n| 5)) (not (<= |sum_#in~m| 5)) (not (< 4 |sum_#in~n|)) (and (< 4 sum_~n) (<= sum_~n 5) .cse1 (<= sum_~m 5))) (or .cse0 (and (<= sum_~n 1) .cse1 (<= sum_~m 9) (< 0 sum_~n)) (not (<= |sum_#in~m| 9)) .cse2 (not (<= |sum_#in~n| 1))) (or .cse0 (not (< 1 |sum_#in~n|)) (not (<= |sum_#in~n| 2)) (and (<= sum_~n 2) .cse1 (<= sum_~m 8) (< 1 sum_~n)) (not (<= |sum_#in~m| 8))) (or .cse0 (not (<= |sum_#in~m| 6)) (not (<= |sum_#in~n| 4)) (not (< 3 |sum_#in~n|)) (and (< 3 sum_~n) (<= sum_~n 4) .cse1 (<= sum_~m 6))) (or .cse0 (not (<= |sum_#in~m| 1)) (not (<= 9 |sum_#in~n|)) (and (<= sum_~n 9) .cse1 (<= sum_~m 1) (<= 9 sum_~n)) (not (<= |sum_#in~n| 9))) (or .cse0 (not (<= |sum_#in~m| 10)) (not (<= |sum_#in~n| 0)) .cse2) (or .cse0 (not (<= |sum_#in~m| 7)) (not (<= |sum_#in~n| 3)) (not (< 2 |sum_#in~n|)) (and (< 2 sum_~n) (<= sum_~n 3) .cse1 (<= sum_~m 7))) (or .cse0 (and (<= sum_~m 3) (<= 7 sum_~n) .cse1 (<= sum_~n 7)) (not (<= |sum_#in~m| 3)) (not (<= 7 |sum_#in~n|)) (not (<= |sum_#in~n| 7))) (or (not (<= |sum_#in~n| 10)) (not (<= 10 |sum_#in~n|)) (not (= |sum_#in~m| 0)) (and (<= 10 sum_~n) (<= sum_~n 10) (= sum_~m 0))) (or .cse0 (not (<= |sum_#in~m| 4)) (not (<= |sum_#in~n| 6)) (and (<= sum_~m 4) .cse1 (<= 6 sum_~n) (<= sum_~n 6)) (not (<= 6 |sum_#in~n|))))) [2022-12-13 19:12:32,432 INFO L899 garLoopResultBuilder]: For program point L9-5(line 9) no Hoare annotation was computed. [2022-12-13 19:12:32,432 INFO L899 garLoopResultBuilder]: For program point sumFINAL(lines 5 11) no Hoare annotation was computed. [2022-12-13 19:12:32,435 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:32,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:12:32,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:12:32 BoogieIcfgContainer [2022-12-13 19:12:32,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:12:32,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:12:32,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:12:32,439 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:12:32,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:24" (3/4) ... [2022-12-13 19:12:32,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:12:32,446 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2022-12-13 19:12:32,448 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 19:12:32,448 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 19:12:32,449 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:12:32,449 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:12:32,467 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:12:32,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:12:32,468 INFO L158 Benchmark]: Toolchain (without parser) took 8364.01ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 109.4MB in the beginning and 127.6MB in the end (delta: -18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 19:12:32,468 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:12:32,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.29ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 99.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:12:32,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.82ms. Allocated memory is still 140.5MB. Free memory was 99.3MB in the beginning and 97.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:32,469 INFO L158 Benchmark]: Boogie Preprocessor took 11.46ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 96.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:12:32,469 INFO L158 Benchmark]: RCFGBuilder took 225.14ms. Allocated memory is still 140.5MB. Free memory was 96.8MB in the beginning and 86.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:12:32,469 INFO L158 Benchmark]: TraceAbstraction took 7924.27ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 86.4MB in the beginning and 130.8MB in the end (delta: -44.4MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2022-12-13 19:12:32,469 INFO L158 Benchmark]: Witness Printer took 28.48ms. Allocated memory is still 176.2MB. Free memory was 130.8MB in the beginning and 127.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:32,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.29ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 99.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.82ms. Allocated memory is still 140.5MB. Free memory was 99.3MB in the beginning and 97.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.46ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 96.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 225.14ms. Allocated memory is still 140.5MB. Free memory was 96.8MB in the beginning and 86.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7924.27ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 86.4MB in the beginning and 130.8MB in the end (delta: -44.4MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * Witness Printer took 28.48ms. Allocated memory is still 176.2MB. Free memory was 130.8MB in the beginning and 127.6MB 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: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: 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 2 procedures, 31 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 13, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1596 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1582 mSDsluCounter, 1834 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1525 mSDsCounter, 344 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1757 IncrementalHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 344 mSolverCounterUnsat, 309 mSDtfsCounter, 1757 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 696 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2816 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=10, InterpolantAutomatonStates: 193, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 50 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 45 PreInvPairs, 45 NumberOfFragments, 322 HoareAnnotationTreeSize, 45 FomulaSimplifications, 425 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 792 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 936 NumberOfCodeBlocks, 873 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1088 ConstructedInterpolants, 0 QuantifiedInterpolants, 2579 SizeOfPredicates, 30 NumberOfNonLiveVariables, 626 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 25 InterpolantComputations, 8 PerfectInterpolantSequences, 3128/4633 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 RESULT: Ultimate proved your program to be correct! [2022-12-13 19:12:32,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551b52eb-925b-4647-87b2-595caa24113c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE