./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a --- 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-38b53e6 [2022-11-26 00:44:52,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:44:52,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:44:52,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:44:52,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:44:52,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:44:52,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:44:52,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:44:52,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:44:52,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:44:52,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:44:52,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:44:52,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:44:52,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:44:52,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:44:52,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:44:52,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:44:52,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:44:52,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:44:52,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:44:52,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:44:52,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:44:52,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:44:52,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:44:52,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:44:52,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:44:52,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:44:52,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:44:52,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:44:52,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:44:52,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:44:52,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:44:52,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:44:52,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:44:52,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:44:52,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:44:52,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:44:52,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:44:52,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:44:52,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:44:52,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:44:52,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:44:53,021 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:44:53,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:44:53,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:44:53,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:44:53,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:44:53,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:44:53,023 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:44:53,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:44:53,024 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:44:53,024 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:44:53,025 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:44:53,025 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:44:53,025 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:44:53,025 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:44:53,026 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:44:53,026 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:44:53,026 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:44:53,027 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:44:53,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:44:53,028 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:44:53,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:44:53,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:44:53,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:44:53,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:44:53,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:44:53,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:44:53,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:44:53,030 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:44:53,031 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:44:53,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:44:53,031 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:44:53,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:44:53,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:44:53,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:44:53,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:44:53,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:44:53,033 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:44:53,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:44:53,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:44:53,034 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:44:53,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:44:53,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:44:53,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:44:53,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a [2022-11-26 00:44:53,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:44:53,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:44:53,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:44:53,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:44:53,358 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:44:53,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2022-11-26 00:44:56,607 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:44:56,873 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:44:56,873 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2022-11-26 00:44:56,880 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/data/93c63dd99/33d254f370cd4099bec84ff46802e17b/FLAGc271f27cb [2022-11-26 00:44:56,896 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/data/93c63dd99/33d254f370cd4099bec84ff46802e17b [2022-11-26 00:44:56,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:44:56,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:44:56,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:44:56,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:44:56,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:44:56,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:44:56" (1/1) ... [2022-11-26 00:44:56,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43668e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:56, skipping insertion in model container [2022-11-26 00:44:56,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:44:56" (1/1) ... [2022-11-26 00:44:56,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:44:56,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:44:57,111 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_ca97c74b-8c73-4264-89c4-79b37e419cb1/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2022-11-26 00:44:57,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:44:57,136 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:44:57,150 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_ca97c74b-8c73-4264-89c4-79b37e419cb1/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2022-11-26 00:44:57,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:44:57,170 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:44:57,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57 WrapperNode [2022-11-26 00:44:57,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:44:57,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:44:57,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:44:57,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:44:57,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,207 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2022-11-26 00:44:57,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:44:57,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:44:57,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:44:57,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:44:57,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,227 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:44:57,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:44:57,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:44:57,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:44:57,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:44:57,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:44:57,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:44:57,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:44:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:44:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:44:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:44:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:44:57,376 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:44:57,378 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:44:57,506 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:44:57,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:44:57,539 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:44:57,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:44:57 BoogieIcfgContainer [2022-11-26 00:44:57,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:44:57,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:44:57,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:44:57,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:44:57,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:44:56" (1/3) ... [2022-11-26 00:44:57,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c5cb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:44:57, skipping insertion in model container [2022-11-26 00:44:57,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (2/3) ... [2022-11-26 00:44:57,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c5cb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:44:57, skipping insertion in model container [2022-11-26 00:44:57,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:44:57" (3/3) ... [2022-11-26 00:44:57,552 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark20_conjunctive.i [2022-11-26 00:44:57,575 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:44:57,575 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-26 00:44:57,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:44:57,649 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=FINITE_AUTOMATA, 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;@439f3879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:44:57,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-26 00:44:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:44:57,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:44:57,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:44:57,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:44:57,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:44:57,673 INFO L85 PathProgramCache]: Analyzing trace with hash 2092610, now seen corresponding path program 1 times [2022-11-26 00:44:57,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:44:57,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957409480] [2022-11-26 00:44:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:57,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:44:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:44:57,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:44:57,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:44:57,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957409480] [2022-11-26 00:44:57,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957409480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:44:57,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:44:57,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:44:57,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347644148] [2022-11-26 00:44:57,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:44:57,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:44:57,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:44:57,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:44:57,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:44:57,976 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:44:58,083 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2022-11-26 00:44:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:44:58,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2022-11-26 00:44:58,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:44:58,095 INFO L225 Difference]: With dead ends: 19 [2022-11-26 00:44:58,095 INFO L226 Difference]: Without dead ends: 14 [2022-11-26 00:44:58,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:44:58,102 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:44:58,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:44:58,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-26 00:44:58,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-11-26 00:44:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-26 00:44:58,166 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 4 [2022-11-26 00:44:58,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:44:58,167 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-26 00:44:58,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,167 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-26 00:44:58,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-26 00:44:58,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:44:58,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-26 00:44:58,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:44:58,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:44:58,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:44:58,169 INFO L85 PathProgramCache]: Analyzing trace with hash 64870960, now seen corresponding path program 1 times [2022-11-26 00:44:58,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:44:58,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459684142] [2022-11-26 00:44:58,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:58,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:44:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:44:58,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:44:58,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:44:58,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459684142] [2022-11-26 00:44:58,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459684142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:44:58,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:44:58,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:44:58,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893298521] [2022-11-26 00:44:58,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:44:58,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:44:58,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:44:58,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:44:58,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:44:58,230 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:44:58,254 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-26 00:44:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:44:58,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2022-11-26 00:44:58,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:44:58,256 INFO L225 Difference]: With dead ends: 15 [2022-11-26 00:44:58,256 INFO L226 Difference]: Without dead ends: 14 [2022-11-26 00:44:58,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:44:58,258 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:44:58,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:44:58,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-26 00:44:58,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-26 00:44:58,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-26 00:44:58,264 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2022-11-26 00:44:58,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:44:58,264 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-26 00:44:58,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,265 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-26 00:44:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:44:58,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:44:58,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:44:58,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:44:58,266 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:44:58,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:44:58,267 INFO L85 PathProgramCache]: Analyzing trace with hash 2010999812, now seen corresponding path program 1 times [2022-11-26 00:44:58,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:44:58,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037364158] [2022-11-26 00:44:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:58,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:44:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:44:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:44:58,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:44:58,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037364158] [2022-11-26 00:44:58,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037364158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:44:58,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:44:58,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:44:58,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238430568] [2022-11-26 00:44:58,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:44:58,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:44:58,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:44:58,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:44:58,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:44:58,341 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:44:58,396 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-26 00:44:58,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:44:58,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) Word has length 6 [2022-11-26 00:44:58,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:44:58,398 INFO L225 Difference]: With dead ends: 14 [2022-11-26 00:44:58,398 INFO L226 Difference]: Without dead ends: 13 [2022-11-26 00:44:58,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:44:58,400 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:44:58,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:44:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-26 00:44:58,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-26 00:44:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.3) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-26 00:44:58,405 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 6 [2022-11-26 00:44:58,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:44:58,406 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-26 00:44:58,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,406 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-26 00:44:58,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:44:58,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:44:58,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:44:58,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:44:58,408 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:44:58,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:44:58,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2083515214, now seen corresponding path program 1 times [2022-11-26 00:44:58,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:44:58,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16976782] [2022-11-26 00:44:58,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:58,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:44:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:44:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:44:58,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:44:58,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16976782] [2022-11-26 00:44:58,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16976782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:44:58,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:44:58,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:44:58,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025160245] [2022-11-26 00:44:58,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:44:58,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:44:58,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:44:58,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:44:58,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:44:58,475 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:44:58,514 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-26 00:44:58,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:44:58,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) Word has length 7 [2022-11-26 00:44:58,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:44:58,515 INFO L225 Difference]: With dead ends: 16 [2022-11-26 00:44:58,516 INFO L226 Difference]: Without dead ends: 15 [2022-11-26 00:44:58,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:44:58,518 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:44:58,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:44:58,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-26 00:44:58,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-26 00:44:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-26 00:44:58,523 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 7 [2022-11-26 00:44:58,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:44:58,524 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-26 00:44:58,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-26 00:44:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:44:58,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:44:58,525 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:44:58,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:44:58,526 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:44:58,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:44:58,527 INFO L85 PathProgramCache]: Analyzing trace with hash -803359244, now seen corresponding path program 1 times [2022-11-26 00:44:58,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:44:58,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606105434] [2022-11-26 00:44:58,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:58,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:44:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:44:58,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:44:58,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:44:58,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606105434] [2022-11-26 00:44:58,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606105434] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:44:58,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687836676] [2022-11-26 00:44:58,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:58,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:44:58,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:44:58,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:44:58,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:44:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:44:58,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:44:58,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:44:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:44:58,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:44:58,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687836676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:44:58,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:44:58,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-11-26 00:44:58,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111881176] [2022-11-26 00:44:58,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:44:58,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:44:58,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:44:58,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:44:58,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:44:58,843 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:44:58,902 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-26 00:44:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:44:58,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) Word has length 9 [2022-11-26 00:44:58,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:44:58,903 INFO L225 Difference]: With dead ends: 15 [2022-11-26 00:44:58,904 INFO L226 Difference]: Without dead ends: 14 [2022-11-26 00:44:58,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:44:58,906 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:44:58,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:44:58,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-26 00:44:58,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-26 00:44:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-26 00:44:58,916 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 9 [2022-11-26 00:44:58,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:44:58,917 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-26 00:44:58,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:58,918 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-26 00:44:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:44:58,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:44:58,921 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-26 00:44:58,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:44:59,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:44:59,129 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:44:59,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:44:59,130 INFO L85 PathProgramCache]: Analyzing trace with hash 865667262, now seen corresponding path program 1 times [2022-11-26 00:44:59,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:44:59,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452383498] [2022-11-26 00:44:59,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:59,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:44:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:44:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:44:59,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:44:59,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452383498] [2022-11-26 00:44:59,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452383498] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:44:59,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396478927] [2022-11-26 00:44:59,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:59,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:44:59,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:44:59,283 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:44:59,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:44:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:44:59,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:44:59,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:44:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:44:59,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:44:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:44:59,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396478927] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:44:59,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [158296283] [2022-11-26 00:44:59,620 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:44:59,621 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:44:59,626 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:44:59,633 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:44:59,634 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:45:00,114 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:45:00,677 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '305#(and (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~i~0#1|)) (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:45:00,678 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:45:00,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:45:00,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2022-11-26 00:45:00,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490754471] [2022-11-26 00:45:00,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:45:00,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:45:00,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:00,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:45:00,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:45:00,684 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:00,796 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-11-26 00:45:00,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:45:00,797 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 states have internal predecessors, (28), 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) Word has length 10 [2022-11-26 00:45:00,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:00,798 INFO L225 Difference]: With dead ends: 24 [2022-11-26 00:45:00,798 INFO L226 Difference]: Without dead ends: 23 [2022-11-26 00:45:00,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:45:00,799 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:00,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 6 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:45:00,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-26 00:45:00,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-26 00:45:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-11-26 00:45:00,805 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 10 [2022-11-26 00:45:00,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:00,806 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-26 00:45:00,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-11-26 00:45:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:45:00,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:00,807 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2022-11-26 00:45:00,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:45:01,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-26 00:45:01,008 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:45:01,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:01,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1317414976, now seen corresponding path program 1 times [2022-11-26 00:45:01,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:01,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045700427] [2022-11-26 00:45:01,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:01,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:01,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:01,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045700427] [2022-11-26 00:45:01,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045700427] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:45:01,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729472206] [2022-11-26 00:45:01,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:01,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:45:01,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:45:01,111 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:45:01,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:45:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:01,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:45:01,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:45:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:01,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:45:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:01,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729472206] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:45:01,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [540678338] [2022-11-26 00:45:01,261 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:45:01,261 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:45:01,262 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:45:01,262 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:45:01,262 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:45:01,570 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:45:02,203 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '445#(and (<= |ULTIMATE.start_main_~n~0#1| 100) (<= 0 |ULTIMATE.start_main_~sum~0#1|) (< 2147483646 |ULTIMATE.start_main_#t~post4#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:45:02,203 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:45:02,204 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:45:02,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-11-26 00:45:02,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977068589] [2022-11-26 00:45:02,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:45:02,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:45:02,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:02,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:45:02,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:45:02,206 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:02,335 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2022-11-26 00:45:02,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:45:02,336 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 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) Word has length 12 [2022-11-26 00:45:02,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:02,337 INFO L225 Difference]: With dead ends: 31 [2022-11-26 00:45:02,337 INFO L226 Difference]: Without dead ends: 30 [2022-11-26 00:45:02,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:45:02,338 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 15 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:02,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 7 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:45:02,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-26 00:45:02,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2022-11-26 00:45:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2022-11-26 00:45:02,348 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 12 [2022-11-26 00:45:02,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:02,349 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-11-26 00:45:02,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:02,349 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-11-26 00:45:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 00:45:02,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:02,351 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1] [2022-11-26 00:45:02,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:45:02,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-26 00:45:02,557 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:45:02,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:02,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1024485378, now seen corresponding path program 2 times [2022-11-26 00:45:02,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:02,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155548499] [2022-11-26 00:45:02,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:02,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:02,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:02,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155548499] [2022-11-26 00:45:02,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155548499] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:45:02,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675436262] [2022-11-26 00:45:02,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:45:02,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:45:02,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:45:02,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:45:02,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:45:02,807 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-26 00:45:02,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:45:02,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:45:02,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:45:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:03,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:45:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:03,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675436262] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:45:03,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1263156691] [2022-11-26 00:45:03,282 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:45:03,283 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:45:03,283 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:45:03,283 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:45:03,284 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:45:03,500 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:45:04,375 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '665#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:45:04,375 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:45:04,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:45:04,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2022-11-26 00:45:04,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167181534] [2022-11-26 00:45:04,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:45:04,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-26 00:45:04,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:04,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-26 00:45:04,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2022-11-26 00:45:04,378 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 23 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:05,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:05,118 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2022-11-26 00:45:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:45:05,119 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 23 states have internal predecessors, (58), 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) Word has length 20 [2022-11-26 00:45:05,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:05,120 INFO L225 Difference]: With dead ends: 45 [2022-11-26 00:45:05,120 INFO L226 Difference]: Without dead ends: 44 [2022-11-26 00:45:05,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=312, Invalid=1494, Unknown=0, NotChecked=0, Total=1806 [2022-11-26 00:45:05,123 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:05,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 2 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:45:05,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-26 00:45:05,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2022-11-26 00:45:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2022-11-26 00:45:05,131 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 20 [2022-11-26 00:45:05,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:05,132 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-11-26 00:45:05,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2022-11-26 00:45:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-26 00:45:05,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:05,133 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1] [2022-11-26 00:45:05,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:45:05,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:45:05,339 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:45:05,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:05,340 INFO L85 PathProgramCache]: Analyzing trace with hash -493119950, now seen corresponding path program 2 times [2022-11-26 00:45:05,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:05,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899717800] [2022-11-26 00:45:05,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:05,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:05,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:05,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899717800] [2022-11-26 00:45:05,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899717800] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:45:05,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19749181] [2022-11-26 00:45:05,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:45:05,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:45:05,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:45:05,515 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:45:05,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:45:05,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-26 00:45:05,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:45:05,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:45:05,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:45:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-26 00:45:05,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:45:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-26 00:45:05,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19749181] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:45:05,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1830050393] [2022-11-26 00:45:05,726 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:45:05,727 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:45:05,727 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:45:05,729 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:45:05,729 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:45:05,944 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:45:06,731 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '977#(and (<= |ULTIMATE.start_main_~n~0#1| 100) (<= 0 |ULTIMATE.start_main_~sum~0#1|) (< 2147483646 |ULTIMATE.start_main_#t~post4#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:45:06,731 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:45:06,731 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:45:06,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2022-11-26 00:45:06,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754459417] [2022-11-26 00:45:06,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:45:06,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-26 00:45:06,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:06,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-26 00:45:06,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:45:06,733 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 18 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 18 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:06,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:06,994 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2022-11-26 00:45:06,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:45:06,995 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 18 states have internal predecessors, (49), 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) Word has length 27 [2022-11-26 00:45:06,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:06,996 INFO L225 Difference]: With dead ends: 42 [2022-11-26 00:45:06,996 INFO L226 Difference]: Without dead ends: 41 [2022-11-26 00:45:06,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 64 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=298, Invalid=962, Unknown=0, NotChecked=0, Total=1260 [2022-11-26 00:45:06,998 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:06,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:45:07,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-26 00:45:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-26 00:45:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2022-11-26 00:45:07,006 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 27 [2022-11-26 00:45:07,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:07,007 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2022-11-26 00:45:07,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 18 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2022-11-26 00:45:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-26 00:45:07,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:07,008 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 1, 1, 1] [2022-11-26 00:45:07,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:45:07,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:45:07,217 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:45:07,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:07,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1216182658, now seen corresponding path program 3 times [2022-11-26 00:45:07,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:07,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995446759] [2022-11-26 00:45:07,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:07,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:07,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:07,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995446759] [2022-11-26 00:45:07,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995446759] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:45:07,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47079246] [2022-11-26 00:45:07,626 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:45:07,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:45:07,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:45:07,632 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:45:07,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:45:07,710 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:45:07,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:45:07,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-26 00:45:07,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:45:08,262 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:08,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:45:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:08,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47079246] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:45:08,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1583485752] [2022-11-26 00:45:08,894 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:45:08,894 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:45:08,894 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:45:08,895 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:45:08,895 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:45:09,091 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:45:10,702 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1388#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:45:10,702 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:45:10,702 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:45:10,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2022-11-26 00:45:10,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108326274] [2022-11-26 00:45:10,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:45:10,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-11-26 00:45:10,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:10,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-11-26 00:45:10,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=2377, Unknown=0, NotChecked=0, Total=2652 [2022-11-26 00:45:10,706 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand has 47 states, 46 states have (on average 2.5652173913043477) internal successors, (118), 47 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:12,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:12,642 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2022-11-26 00:45:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-26 00:45:12,642 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 2.5652173913043477) internal successors, (118), 47 states have internal predecessors, (118), 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) Word has length 40 [2022-11-26 00:45:12,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:12,643 INFO L225 Difference]: With dead ends: 82 [2022-11-26 00:45:12,643 INFO L226 Difference]: Without dead ends: 81 [2022-11-26 00:45:12,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 76 SyntacticMatches, 8 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1420 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=969, Invalid=5351, Unknown=0, NotChecked=0, Total=6320 [2022-11-26 00:45:12,647 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 75 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:12,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 3 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:45:12,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-26 00:45:12,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-26 00:45:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.0125) internal successors, (81), 80 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2022-11-26 00:45:12,657 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 40 [2022-11-26 00:45:12,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:12,658 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2022-11-26 00:45:12,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 2.5652173913043477) internal successors, (118), 47 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2022-11-26 00:45:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-26 00:45:12,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:12,660 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 1, 1, 1] [2022-11-26 00:45:12,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:45:12,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-26 00:45:12,866 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:45:12,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:12,867 INFO L85 PathProgramCache]: Analyzing trace with hash -496000130, now seen corresponding path program 4 times [2022-11-26 00:45:12,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:12,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84084022] [2022-11-26 00:45:12,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:12,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:14,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:14,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84084022] [2022-11-26 00:45:14,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84084022] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:45:14,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359697845] [2022-11-26 00:45:14,346 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-26 00:45:14,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:45:14,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:45:14,347 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:45:14,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:45:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:14,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-26 00:45:14,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:45:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:16,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:45:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:18,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359697845] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:45:18,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [102874962] [2022-11-26 00:45:18,334 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:45:18,335 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:45:18,335 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:45:18,335 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:45:18,335 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:45:18,494 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:45:22,574 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2213#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:45:22,574 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:45:22,574 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:45:22,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 94 [2022-11-26 00:45:22,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117742353] [2022-11-26 00:45:22,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:45:22,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-11-26 00:45:22,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:22,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-11-26 00:45:22,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=923, Invalid=8977, Unknown=0, NotChecked=0, Total=9900 [2022-11-26 00:45:22,581 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand has 95 states, 94 states have (on average 2.5319148936170213) internal successors, (238), 95 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:30,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:30,301 INFO L93 Difference]: Finished difference Result 162 states and 177 transitions. [2022-11-26 00:45:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-26 00:45:30,302 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 94 states have (on average 2.5319148936170213) internal successors, (238), 95 states have internal predecessors, (238), 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) Word has length 80 [2022-11-26 00:45:30,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:30,303 INFO L225 Difference]: With dead ends: 162 [2022-11-26 00:45:30,304 INFO L226 Difference]: Without dead ends: 161 [2022-11-26 00:45:30,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 156 SyntacticMatches, 16 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5856 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=3781, Invalid=21659, Unknown=0, NotChecked=0, Total=25440 [2022-11-26 00:45:30,309 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 179 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3314 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 3314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:30,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 3 Invalid, 3490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 3314 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:45:30,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-26 00:45:30,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-26 00:45:30,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.00625) internal successors, (161), 160 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:30,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2022-11-26 00:45:30,326 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 80 [2022-11-26 00:45:30,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:30,326 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2022-11-26 00:45:30,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 94 states have (on average 2.5319148936170213) internal successors, (238), 95 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2022-11-26 00:45:30,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-26 00:45:30,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:30,331 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 31, 31, 31, 1, 1, 1] [2022-11-26 00:45:30,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-26 00:45:30,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:45:30,540 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:45:30,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:30,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1998135938, now seen corresponding path program 5 times [2022-11-26 00:45:30,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:30,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433066495] [2022-11-26 00:45:30,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:35,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:35,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433066495] [2022-11-26 00:45:35,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433066495] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:45:35,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972862632] [2022-11-26 00:45:35,453 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:45:35,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:45:35,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:45:35,455 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:45:35,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-26 00:45:35,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2022-11-26 00:45:35,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:45:35,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 96 conjunts are in the unsatisfiable core [2022-11-26 00:45:35,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:45:42,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:42,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:45:53,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:53,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972862632] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:45:53,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [441860652] [2022-11-26 00:45:53,605 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:45:53,606 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:45:53,606 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:45:53,606 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:45:53,606 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:45:53,749 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:46:10,994 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3870#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:46:10,995 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:46:10,995 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:46:10,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 190 [2022-11-26 00:46:10,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814696327] [2022-11-26 00:46:10,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:46:10,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2022-11-26 00:46:10,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:46:11,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2022-11-26 00:46:11,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2436, Invalid=35784, Unknown=0, NotChecked=0, Total=38220 [2022-11-26 00:46:11,007 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand has 191 states, 190 states have (on average 2.5157894736842104) internal successors, (478), 191 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:48:08,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:08,091 INFO L93 Difference]: Finished difference Result 322 states and 353 transitions. [2022-11-26 00:48:08,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-11-26 00:48:08,092 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 190 states have (on average 2.5157894736842104) internal successors, (478), 191 states have internal predecessors, (478), 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) Word has length 160 [2022-11-26 00:48:08,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:08,094 INFO L225 Difference]: With dead ends: 322 [2022-11-26 00:48:08,094 INFO L226 Difference]: Without dead ends: 321 [2022-11-26 00:48:08,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 316 SyntacticMatches, 32 SemanticMatches, 372 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27779 ImplicationChecksByTransitivity, 143.5s TimeCoverageRelationStatistics Valid=20453, Invalid=119049, Unknown=0, NotChecked=0, Total=139502 [2022-11-26 00:48:08,109 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1608 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16146 mSolverCounterSat, 1348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 17494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1348 IncrementalHoareTripleChecker+Valid, 16146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:48:08,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 2 Invalid, 17494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1348 Valid, 16146 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-11-26 00:48:08,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-11-26 00:48:08,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2022-11-26 00:48:08,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 320 states have (on average 1.003125) internal successors, (321), 320 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:48:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 321 transitions. [2022-11-26 00:48:08,169 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 321 transitions. Word has length 160 [2022-11-26 00:48:08,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:08,170 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 321 transitions. [2022-11-26 00:48:08,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 190 states have (on average 2.5157894736842104) internal successors, (478), 191 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:48:08,170 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 321 transitions. [2022-11-26 00:48:08,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-26 00:48:08,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:08,176 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 63, 63, 63, 1, 1, 1] [2022-11-26 00:48:08,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-26 00:48:08,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-26 00:48:08,383 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:48:08,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:08,383 INFO L85 PathProgramCache]: Analyzing trace with hash -464957058, now seen corresponding path program 6 times [2022-11-26 00:48:08,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:48:08,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23516114] [2022-11-26 00:48:08,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:08,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:48:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 0 proven. 9954 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:48:25,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:48:25,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23516114] [2022-11-26 00:48:25,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23516114] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:48:25,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560954938] [2022-11-26 00:48:25,889 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:48:25,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:48:25,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:48:25,891 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:48:25,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-26 00:48:26,053 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:48:26,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:48:26,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 192 conjunts are in the unsatisfiable core [2022-11-26 00:48:26,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:48:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 0 proven. 9954 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:48:47,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:49:18,021 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 0 proven. 9954 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:49:18,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560954938] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:49:18,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [643425923] [2022-11-26 00:49:18,023 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:49:18,023 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:49:18,024 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:49:18,024 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:49:18,024 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:49:18,142 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:50:05,284 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7299#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:50:05,284 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:50:05,284 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:50:05,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 128, 128] total 382 [2022-11-26 00:50:05,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308247383] [2022-11-26 00:50:05,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:50:05,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 383 states [2022-11-26 00:50:05,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:50:05,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 383 interpolants. [2022-11-26 00:50:05,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12875, Invalid=137281, Unknown=0, NotChecked=0, Total=150156 [2022-11-26 00:50:05,302 INFO L87 Difference]: Start difference. First operand 321 states and 321 transitions. Second operand has 383 states, 382 states have (on average 2.507853403141361) internal successors, (958), 383 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:53:29,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:29,135 INFO L93 Difference]: Finished difference Result 642 states and 705 transitions. [2022-11-26 00:53:29,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-11-26 00:53:29,136 INFO L78 Accepts]: Start accepts. Automaton has has 383 states, 382 states have (on average 2.507853403141361) internal successors, (958), 383 states have internal predecessors, (958), 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) Word has length 320 [2022-11-26 00:53:29,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:29,139 INFO L225 Difference]: With dead ends: 642 [2022-11-26 00:53:29,139 INFO L226 Difference]: Without dead ends: 641 [2022-11-26 00:53:29,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1338 GetRequests, 636 SyntacticMatches, 64 SemanticMatches, 638 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95640 ImplicationChecksByTransitivity, 282.4s TimeCoverageRelationStatistics Valid=59629, Invalid=349331, Unknown=0, NotChecked=0, Total=408960 [2022-11-26 00:53:29,159 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2614 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 53947 mSolverCounterSat, 2611 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2614 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 56558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2611 IncrementalHoareTripleChecker+Valid, 53947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:29,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2614 Valid, 3 Invalid, 56558 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2611 Valid, 53947 Invalid, 0 Unknown, 0 Unchecked, 23.9s Time] [2022-11-26 00:53:29,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-11-26 00:53:29,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2022-11-26 00:53:29,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 640 states have (on average 1.0015625) internal successors, (641), 640 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:53:29,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 641 transitions. [2022-11-26 00:53:29,214 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 641 transitions. Word has length 320 [2022-11-26 00:53:29,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:29,215 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 641 transitions. [2022-11-26 00:53:29,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 383 states, 382 states have (on average 2.507853403141361) internal successors, (958), 383 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:53:29,216 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 641 transitions. [2022-11-26 00:53:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2022-11-26 00:53:29,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:29,234 INFO L195 NwaCegarLoop]: trace histogram [128, 128, 127, 127, 127, 1, 1, 1] [2022-11-26 00:53:29,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-26 00:53:29,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-26 00:53:29,441 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:53:29,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:29,442 INFO L85 PathProgramCache]: Analyzing trace with hash 886978942, now seen corresponding path program 7 times [2022-11-26 00:53:29,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:29,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969856661] [2022-11-26 00:53:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:29,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 40386 backedges. 0 proven. 40386 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:54:48,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:48,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969856661] [2022-11-26 00:54:48,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969856661] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:54:48,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899903780] [2022-11-26 00:54:48,233 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-26 00:54:48,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:54:48,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:54:48,235 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:54:48,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-26 00:54:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:48,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 203 conjunts are in the unsatisfiable core [2022-11-26 00:54:48,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:55:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 40386 backedges. 38577 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-11-26 00:55:55,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:55:55,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899903780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:55,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:55:55,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [203] imperfect sequences [256] total 458 [2022-11-26 00:55:55,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780758646] [2022-11-26 00:55:55,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:55,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2022-11-26 00:55:55,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:55,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2022-11-26 00:55:55,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10913, Invalid=198393, Unknown=0, NotChecked=0, Total=209306 [2022-11-26 00:55:55,579 INFO L87 Difference]: Start difference. First operand 641 states and 641 transitions. Second operand has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:56:16,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:16,802 INFO L93 Difference]: Finished difference Result 641 states and 641 transitions. [2022-11-26 00:56:16,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2022-11-26 00:56:16,804 INFO L78 Accepts]: Start accepts. Automaton has has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 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) Word has length 640 [2022-11-26 00:56:16,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:16,805 INFO L225 Difference]: With dead ends: 641 [2022-11-26 00:56:16,805 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:56:16,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 995 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 556 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19701 ImplicationChecksByTransitivity, 116.4s TimeCoverageRelationStatistics Valid=26163, Invalid=284643, Unknown=0, NotChecked=0, Total=310806 [2022-11-26 00:56:16,822 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 200 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4722 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 4722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:16,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1 Invalid, 4722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4722 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:56:16,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:56:16,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:56:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:56:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:56:16,824 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 640 [2022-11-26 00:56:16,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:16,824 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:56:16,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:56:16,825 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:56:16,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:56:16,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-26 00:56:16,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-26 00:56:16,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-26 00:56:16,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-26 00:56:16,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-26 00:56:17,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:56:17,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:56:26,021 WARN L233 SmtUtils]: Spent 7.66s on a formula simplification. DAG size of input: 1297 DAG size of output: 679 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-26 00:56:26,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-11-26 00:56:26,034 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:56:26,034 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-11-26 00:56:26,034 INFO L902 garLoopResultBuilder]: At program point L29(lines 19 30) the Hoare annotation is: true [2022-11-26 00:56:26,034 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-26 00:56:26,035 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-11-26 00:56:26,035 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-11-26 00:56:26,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-11-26 00:56:26,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-11-26 00:56:26,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:56:26,036 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-11-26 00:56:26,036 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2022-11-26 00:56:26,039 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 27) the Hoare annotation is: (let ((.cse16 (* 7 |ULTIMATE.start_main_~i~0#1|))) (let ((.cse4 (* |ULTIMATE.start_main_~i~0#1| 10)) (.cse6 (<= (+ 115 |ULTIMATE.start_main_~sum~0#1|) (* 16 |ULTIMATE.start_main_~i~0#1|))) (.cse3 (* |ULTIMATE.start_main_~i~0#1| 11)) (.cse8 (* |ULTIMATE.start_main_~i~0#1| 4)) (.cse9 (<= (+ 7 |ULTIMATE.start_main_~sum~0#1|) .cse16)) (.cse2 (<= (+ 150 |ULTIMATE.start_main_~sum~0#1|) (* |ULTIMATE.start_main_~i~0#1| 18))) (.cse7 (+ (* 7 |ULTIMATE.start_main_~n~0#1|) |ULTIMATE.start_main_~sum~0#1|)) (.cse13 (* 2 |ULTIMATE.start_main_~i~0#1|)) (.cse10 (* |ULTIMATE.start_main_~i~0#1| 8)) (.cse5 (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~n~0#1| 63))) (.cse15 (<= (+ |ULTIMATE.start_main_~sum~0#1| 70) (* |ULTIMATE.start_main_~i~0#1| 13))) (.cse11 (<= (+ |ULTIMATE.start_main_~sum~0#1| 210) (* 21 |ULTIMATE.start_main_~i~0#1|))) (.cse12 (+ (* |ULTIMATE.start_main_~n~0#1| 15) |ULTIMATE.start_main_~sum~0#1|)) (.cse14 (<= (+ |ULTIMATE.start_main_~sum~0#1| 99) (* |ULTIMATE.start_main_~i~0#1| 15))) (.cse0 (<= |ULTIMATE.start_main_~n~0#1| 100)) (.cse1 (<= 0 |ULTIMATE.start_main_~sum~0#1|))) (or (and .cse0 .cse1 (< (+ (* 47 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482567) (<= 80 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 12) .cse0 .cse1 .cse2) (and (<= |ULTIMATE.start_main_~i~0#1| 58) (<= 58 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1653)) (and (<= |ULTIMATE.start_main_~i~0#1| 45) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 990) (<= 45 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 38) .cse0 .cse1 (<= 38 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 703)) (and .cse0 (<= 42 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 861) (<= |ULTIMATE.start_main_~i~0#1| 42)) (and (<= 35 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 595) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 35)) (and .cse0 .cse1 (<= 27 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 27) (<= |ULTIMATE.start_main_~sum~0#1| 351)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 60)) 2147481878) (<= 67 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 19) .cse1 (<= 19 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 171)) (and .cse0 .cse1 (<= 74 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* 53 |ULTIMATE.start_main_~i~0#1|)) 2147482270)) (and (< (+ (* 57 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482052) .cse0 .cse1 (<= 70 |ULTIMATE.start_main_~i~0#1|)) (and (< (+ |ULTIMATE.start_main_~sum~0#1| (* 51 |ULTIMATE.start_main_~i~0#1|)) 2147482373) .cse0 (<= 76 |ULTIMATE.start_main_~i~0#1|) .cse1) (and (<= (+ 45 |ULTIMATE.start_main_~sum~0#1|) .cse3) .cse0 .cse1 (<= 18 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 18)) (and .cse0 (<= 17 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= (+ 34 |ULTIMATE.start_main_~sum~0#1|) .cse4) (<= |ULTIMATE.start_main_~i~0#1| 17)) (and .cse0 (<= 91 |ULTIMATE.start_main_~i~0#1|) .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 36) |ULTIMATE.start_main_~sum~0#1|) 2147483018)) (and (<= |ULTIMATE.start_main_~i~0#1| 62) .cse0 (<= |ULTIMATE.start_main_~sum~0#1| 1891) .cse1 (<= 62 |ULTIMATE.start_main_~i~0#1|)) (and (<= 82 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 45) |ULTIMATE.start_main_~sum~0#1|) 2147482658)) (and .cse0 .cse1 (<= 93 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 34)) 2147483087)) (and (<= |ULTIMATE.start_main_~sum~0#1| 496) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 32) (<= 32 |ULTIMATE.start_main_~i~0#1|)) (and (<= 90 |ULTIMATE.start_main_~i~0#1|) (< (+ (* |ULTIMATE.start_main_~i~0#1| 37) |ULTIMATE.start_main_~sum~0#1|) 2147482982) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~i~0#1| 16) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 120) (<= 16 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< (+ (* 30 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483213) .cse1 (<= 97 |ULTIMATE.start_main_~i~0#1|)) (and (<= 55 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1485) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 55)) (and .cse0 .cse1 (<= 26 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 26) (<= |ULTIMATE.start_main_~sum~0#1| 325)) (and .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 54) |ULTIMATE.start_main_~sum~0#1|) 2147482217) (<= 73 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 31) (<= 31 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 465)) (and .cse0 .cse1 (<= 50 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 50) (<= |ULTIMATE.start_main_~sum~0#1| 1225)) (and (<= 44 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 946) (<= |ULTIMATE.start_main_~i~0#1| 44)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 57) (<= 57 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1596)) (and (<= |ULTIMATE.start_main_~i~0#1| 10) .cse1 (<= .cse5 (+ .cse4 6245)) .cse6) (and .cse0 .cse1 (<= 94 |ULTIMATE.start_main_~i~0#1|) (< (+ (* |ULTIMATE.start_main_~i~0#1| 33) |ULTIMATE.start_main_~sum~0#1|) 2147483120)) (and (<= 66 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 61) |ULTIMATE.start_main_~sum~0#1|) 2147481818)) (and .cse0 .cse1 (<= 59 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1711) (<= |ULTIMATE.start_main_~i~0#1| 59)) (and (<= |ULTIMATE.start_main_~i~0#1| 63) .cse0 .cse1 (<= 63 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1953)) (and (< (+ (* 46 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482613) .cse0 .cse1 (<= 81 |ULTIMATE.start_main_~i~0#1|)) (and (<= 64 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 63) |ULTIMATE.start_main_~sum~0#1|) 2147481695)) (and (<= |ULTIMATE.start_main_~i~0#1| 56) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1540) (<= 56 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 4) (<= |ULTIMATE.start_main_~sum~0#1| 6) (<= .cse7 (+ 690 .cse8)) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 23) .cse0 (<= 23 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse6) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 528) (<= 33 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 33)) (and .cse1 (<= .cse7 (+ |ULTIMATE.start_main_~i~0#1| 699)) (<= |ULTIMATE.start_main_~i~0#1| 1) .cse9) (and (<= |ULTIMATE.start_main_~i~0#1| 40) (<= 40 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 780)) (and (<= |ULTIMATE.start_main_~sum~0#1| 1431) .cse0 .cse1 (<= 54 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 54)) (and (<= |ULTIMATE.start_main_~i~0#1| 37) (<= 37 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 666)) (and (<= 86 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* 41 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482828)) (and (<= |ULTIMATE.start_main_~i~0#1| 29) (<= 29 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 406)) (and (< (+ (* 31 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483183) .cse0 .cse1 (<= 96 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 87 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* 40 |ULTIMATE.start_main_~i~0#1|)) 2147482868)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 27)) 2147483297) (<= 100 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 11) .cse1 (<= .cse5 (+ .cse3 6234)) (<= |ULTIMATE.start_main_~sum~0#1| (+ .cse8 11)) (<= 11 |ULTIMATE.start_main_~i~0#1|)) (and (<= 43 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 43) (<= |ULTIMATE.start_main_~sum~0#1| 903)) (and (< (+ (* 29 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483242) .cse0 .cse1 (<= 98 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 14 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 14) .cse9) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1081) (<= 47 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 47)) (and (<= 49 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1176) (<= |ULTIMATE.start_main_~i~0#1| 49)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 6) (<= |ULTIMATE.start_main_~sum~0#1| 15) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and (<= 79 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 48) |ULTIMATE.start_main_~sum~0#1|) 2147482520)) (and (< (+ (* 32 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483152) .cse0 .cse1 (<= 95 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 8) (<= 8 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| (+ |ULTIMATE.start_main_~i~0#1| 20)) (<= .cse5 (+ .cse10 6264))) (and (<= 21 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 210) (<= |ULTIMATE.start_main_~i~0#1| 21)) (and .cse0 (<= 88 |ULTIMATE.start_main_~i~0#1|) .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 39) |ULTIMATE.start_main_~sum~0#1|) 2147482907)) (and .cse0 (<= 60 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~i~0#1| 60) (<= |ULTIMATE.start_main_~sum~0#1| 1770)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 25) .cse2 (<= 25 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~sum~0#1| 820) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 41) (<= 41 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 0) (<= .cse7 700)) (and (<= 51 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 51) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1275)) (and (<= 28 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 28) .cse0 .cse1 .cse11) (and (<= 72 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 55) |ULTIMATE.start_main_~sum~0#1|) 2147482163)) (and .cse0 .cse1 (<= 78 |ULTIMATE.start_main_~i~0#1|) (< (+ (* 49 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482472)) (and (<= |ULTIMATE.start_main_~i~0#1| 13) .cse0 .cse1 (<= (+ 169 |ULTIMATE.start_main_~sum~0#1|) (* 19 |ULTIMATE.start_main_~i~0#1|))) (and .cse0 (< (+ (* |ULTIMATE.start_main_~i~0#1| 58) |ULTIMATE.start_main_~sum~0#1|) 2147481995) .cse1 (<= 69 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 53) (<= 53 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1378)) (and (<= |ULTIMATE.start_main_~i~0#1| 3) .cse1 (<= .cse12 (+ 1494 (* 3 |ULTIMATE.start_main_~i~0#1|))) (<= (+ 3 |ULTIMATE.start_main_~sum~0#1|) .cse13)) (and .cse0 (< (+ (* |ULTIMATE.start_main_~i~0#1| 43) |ULTIMATE.start_main_~sum~0#1|) 2147482745) .cse1 (<= 84 |ULTIMATE.start_main_~i~0#1|)) (and (<= 36 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 630) (<= |ULTIMATE.start_main_~i~0#1| 36)) (and (<= |ULTIMATE.start_main_~i~0#1| 52) .cse0 (<= |ULTIMATE.start_main_~sum~0#1| 1326) .cse1 (<= 52 |ULTIMATE.start_main_~i~0#1|)) (and (<= 92 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* 35 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483053)) (and .cse0 .cse1 (< (+ (* 44 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482702) (<= 83 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< (+ (* 42 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482787) .cse1 (<= 85 |ULTIMATE.start_main_~i~0#1|)) (and (< (+ (* 52 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482322) .cse0 .cse1 (<= 75 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 39 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 741) (<= |ULTIMATE.start_main_~i~0#1| 39)) (and .cse0 .cse1 (< (+ (* 59 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147481937) (<= 68 |ULTIMATE.start_main_~i~0#1|)) (and (<= 30 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 30) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 435)) (and (< (+ (* |ULTIMATE.start_main_~i~0#1| 50) |ULTIMATE.start_main_~sum~0#1|) 2147482423) .cse0 .cse1 (<= 77 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 24) (<= 24 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 276)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 48) .cse1 (<= 48 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1128)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 2) (<= .cse5 (+ 6297 .cse13)) (<= (+ 15 |ULTIMATE.start_main_~sum~0#1|) .cse10)) (and (<= .cse5 (+ 6255 (* 9 |ULTIMATE.start_main_~i~0#1|))) .cse1 .cse14 (<= |ULTIMATE.start_main_~i~0#1| 9)) (and .cse0 .cse1 (<= 65 |ULTIMATE.start_main_~i~0#1|) (< (+ (* 62 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147481757)) (and .cse0 .cse1 (<= 34 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 561) (<= |ULTIMATE.start_main_~i~0#1| 34)) (and (<= |ULTIMATE.start_main_~sum~0#1| 1035) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 46) (<= 46 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 20) .cse15 (<= 20 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= .cse5 (+ 6272 .cse16)) .cse15 (<= |ULTIMATE.start_main_~i~0#1| 7)) (and .cse0 .cse1 .cse11 (<= |ULTIMATE.start_main_~i~0#1| 15)) (and .cse0 .cse1 (< (+ (* 56 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482108) (<= 71 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 28)) 2147483270) (<= 99 |ULTIMATE.start_main_~i~0#1|)) (and (<= 5 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= .cse12 (+ 1485 (* 5 |ULTIMATE.start_main_~i~0#1|))) (<= |ULTIMATE.start_main_~i~0#1| 5) (<= |ULTIMATE.start_main_~sum~0#1| 10)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 22) .cse14 (<= 22 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 61) (<= |ULTIMATE.start_main_~sum~0#1| 1830) .cse0 .cse1 (<= 61 |ULTIMATE.start_main_~i~0#1|)) (and (< (+ (* |ULTIMATE.start_main_~i~0#1| 38) |ULTIMATE.start_main_~sum~0#1|) 2147482945) .cse0 .cse1 (<= 89 |ULTIMATE.start_main_~i~0#1|))))) [2022-11-26 00:56:26,044 INFO L445 BasicCegarLoop]: Path program histogram: [7, 2, 1, 1, 1, 1, 1] [2022-11-26 00:56:26,047 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:56:26,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:56:26 BoogieIcfgContainer [2022-11-26 00:56:26,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:56:26,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:56:26,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:56:26,100 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:56:26,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:44:57" (3/4) ... [2022-11-26 00:56:26,104 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:56:26,116 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-26 00:56:26,116 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-26 00:56:26,116 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-26 00:56:26,116 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:56:26,169 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:56:26,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:56:26,170 INFO L158 Benchmark]: Toolchain (without parser) took 689269.67ms. Allocated memory was 172.0MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 134.9MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 190.9MB. Max. memory is 16.1GB. [2022-11-26 00:56:26,170 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 136.3MB. Free memory was 78.1MB in the beginning and 77.9MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:56:26,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.77ms. Allocated memory is still 172.0MB. Free memory was 134.4MB in the beginning and 124.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:56:26,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.96ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 122.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:56:26,172 INFO L158 Benchmark]: Boogie Preprocessor took 21.23ms. Allocated memory is still 172.0MB. Free memory was 122.8MB in the beginning and 121.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:56:26,172 INFO L158 Benchmark]: RCFGBuilder took 311.37ms. Allocated memory is still 172.0MB. Free memory was 121.8MB in the beginning and 110.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-26 00:56:26,173 INFO L158 Benchmark]: TraceAbstraction took 688554.00ms. Allocated memory was 172.0MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 109.7MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-26 00:56:26,173 INFO L158 Benchmark]: Witness Printer took 70.07ms. Allocated memory is still 2.1GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:56:26,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 136.3MB. Free memory was 78.1MB in the beginning and 77.9MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.77ms. Allocated memory is still 172.0MB. Free memory was 134.4MB in the beginning and 124.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.96ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 122.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.23ms. Allocated memory is still 172.0MB. Free memory was 122.8MB in the beginning and 121.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.37ms. Allocated memory is still 172.0MB. Free memory was 121.8MB in the beginning and 110.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 688554.00ms. Allocated memory was 172.0MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 109.7MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 70.07ms. Allocated memory is still 2.1GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 2.1MB). 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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 1 procedures, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 688.4s, OverallIterations: 14, TraceHistogramMax: 128, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.1s, AutomataDifference: 353.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4780 SdHoareTripleChecker+Valid, 37.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4780 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 32.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 4242 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79415 IncrementalHoareTripleChecker+Invalid, 83657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4242 mSolverCounterUnsat, 35 mSDtfsCounter, 79415 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3832 GetRequests, 1774 SyntacticMatches, 131 SemanticMatches, 1927 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151331 ImplicationChecksByTransitivity, 564.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=13, InterpolantAutomatonStates: 809, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 5 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 104 NumberOfFragments, 1783 HoareAnnotationTreeSize, 2 FomulaSimplifications, 780 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 2 FomulaSimplificationsInter, 8782 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 7.2s SatisfiabilityAnalysisTime, 240.5s InterpolantComputationTime, 2658 NumberOfCodeBlocks, 2638 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 3295 ConstructedInterpolants, 0 QuantifiedInterpolants, 27693 SizeOfPredicates, 246 NumberOfNonLiveVariables, 3110 ConjunctsInSsa, 596 ConjunctsInUnsatCore, 32 InterpolantComputations, 6 PerfectInterpolantSequences, 40456/120226 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 4 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((n <= 100 && 0 <= sum) && 47 * i + sum < 2147482567) && 80 <= i) || (((i <= 12 && n <= 100) && 0 <= sum) && 150 + sum <= i * 18)) || ((((i <= 58 && 58 <= i) && n <= 100) && 0 <= sum) && sum <= 1653)) || ((((i <= 45 && n <= 100) && 0 <= sum) && sum <= 990) && 45 <= i)) || ((((i <= 38 && n <= 100) && 0 <= sum) && 38 <= i) && sum <= 703)) || ((((n <= 100 && 42 <= i) && 0 <= sum) && sum <= 861) && i <= 42)) || ((((35 <= i && sum <= 595) && n <= 100) && 0 <= sum) && i <= 35)) || ((((n <= 100 && 0 <= sum) && 27 <= i) && i <= 27) && sum <= 351)) || (((n <= 100 && 0 <= sum) && sum + i * 60 < 2147481878) && 67 <= i)) || ((((n <= 100 && i <= 19) && 0 <= sum) && 19 <= i) && sum <= 171)) || (((n <= 100 && 0 <= sum) && 74 <= i) && sum + 53 * i < 2147482270)) || (((57 * i + sum < 2147482052 && n <= 100) && 0 <= sum) && 70 <= i)) || (((sum + 51 * i < 2147482373 && n <= 100) && 76 <= i) && 0 <= sum)) || ((((45 + sum <= i * 11 && n <= 100) && 0 <= sum) && 18 <= i) && i <= 18)) || ((((n <= 100 && 17 <= i) && 0 <= sum) && 34 + sum <= i * 10) && i <= 17)) || (((n <= 100 && 91 <= i) && 0 <= sum) && i * 36 + sum < 2147483018)) || ((((i <= 62 && n <= 100) && sum <= 1891) && 0 <= sum) && 62 <= i)) || (((82 <= i && n <= 100) && 0 <= sum) && i * 45 + sum < 2147482658)) || (((n <= 100 && 0 <= sum) && 93 <= i) && sum + i * 34 < 2147483087)) || ((((sum <= 496 && n <= 100) && 0 <= sum) && i <= 32) && 32 <= i)) || (((90 <= i && i * 37 + sum < 2147482982) && n <= 100) && 0 <= sum)) || ((((i <= 16 && n <= 100) && 0 <= sum) && sum <= 120) && 16 <= i)) || (((n <= 100 && 30 * i + sum < 2147483213) && 0 <= sum) && 97 <= i)) || ((((55 <= i && sum <= 1485) && n <= 100) && 0 <= sum) && i <= 55)) || ((((n <= 100 && 0 <= sum) && 26 <= i) && i <= 26) && sum <= 325)) || (((n <= 100 && 0 <= sum) && i * 54 + sum < 2147482217) && 73 <= i)) || ((((n <= 100 && 0 <= sum) && i <= 31) && 31 <= i) && sum <= 465)) || ((((n <= 100 && 0 <= sum) && 50 <= i) && i <= 50) && sum <= 1225)) || ((((44 <= i && n <= 100) && 0 <= sum) && sum <= 946) && i <= 44)) || ((((n <= 100 && i <= 57) && 57 <= i) && 0 <= sum) && sum <= 1596)) || (((i <= 10 && 0 <= sum) && sum + n * 63 <= i * 10 + 6245) && 115 + sum <= 16 * i)) || (((n <= 100 && 0 <= sum) && 94 <= i) && i * 33 + sum < 2147483120)) || (((66 <= i && n <= 100) && 0 <= sum) && i * 61 + sum < 2147481818)) || ((((n <= 100 && 0 <= sum) && 59 <= i) && sum <= 1711) && i <= 59)) || ((((i <= 63 && n <= 100) && 0 <= sum) && 63 <= i) && sum <= 1953)) || (((46 * i + sum < 2147482613 && n <= 100) && 0 <= sum) && 81 <= i)) || (((64 <= i && n <= 100) && 0 <= sum) && i * 63 + sum < 2147481695)) || ((((i <= 56 && n <= 100) && 0 <= sum) && sum <= 1540) && 56 <= i)) || ((((0 <= sum && i <= 4) && sum <= 6) && 7 * n + sum <= 690 + i * 4) && 4 <= i)) || ((((i <= 23 && n <= 100) && 23 <= i) && 0 <= sum) && 115 + sum <= 16 * i)) || ((((n <= 100 && 0 <= sum) && sum <= 528) && 33 <= i) && i <= 33)) || (((0 <= sum && 7 * n + sum <= i + 699) && i <= 1) && 7 + sum <= 7 * i)) || ((((i <= 40 && 40 <= i) && n <= 100) && 0 <= sum) && sum <= 780)) || ((((sum <= 1431 && n <= 100) && 0 <= sum) && 54 <= i) && i <= 54)) || ((((i <= 37 && 37 <= i) && n <= 100) && 0 <= sum) && sum <= 666)) || (((86 <= i && n <= 100) && 0 <= sum) && 41 * i + sum < 2147482828)) || ((((i <= 29 && 29 <= i) && n <= 100) && 0 <= sum) && sum <= 406)) || (((31 * i + sum < 2147483183 && n <= 100) && 0 <= sum) && 96 <= i)) || (((n <= 100 && 0 <= sum) && 87 <= i) && sum + 40 * i < 2147482868)) || (((n <= 100 && 0 <= sum) && sum + i * 27 < 2147483297) && 100 <= i)) || ((((i <= 11 && 0 <= sum) && sum + n * 63 <= i * 11 + 6234) && sum <= i * 4 + 11) && 11 <= i)) || ((((43 <= i && n <= 100) && 0 <= sum) && i <= 43) && sum <= 903)) || (((29 * i + sum < 2147483242 && n <= 100) && 0 <= sum) && 98 <= i)) || ((((n <= 100 && 0 <= sum) && 14 <= i) && i <= 14) && 7 + sum <= 7 * i)) || ((((n <= 100 && 0 <= sum) && sum <= 1081) && 47 <= i) && i <= 47)) || ((((49 <= i && n <= 100) && 0 <= sum) && sum <= 1176) && i <= 49)) || ((((n <= 100 && 0 <= sum) && i <= 6) && sum <= 15) && 6 <= i)) || (((79 <= i && n <= 100) && 0 <= sum) && i * 48 + sum < 2147482520)) || (((32 * i + sum < 2147483152 && n <= 100) && 0 <= sum) && 95 <= i)) || ((((0 <= sum && i <= 8) && 8 <= i) && sum <= i + 20) && sum + n * 63 <= i * 8 + 6264)) || ((((21 <= i && n <= 100) && 0 <= sum) && sum <= 210) && i <= 21)) || (((n <= 100 && 88 <= i) && 0 <= sum) && i * 39 + sum < 2147482907)) || ((((n <= 100 && 60 <= i) && 0 <= sum) && i <= 60) && sum <= 1770)) || ((((n <= 100 && 0 <= sum) && i <= 25) && 150 + sum <= i * 18) && 25 <= i)) || ((((sum <= 820 && n <= 100) && 0 <= sum) && i <= 41) && 41 <= i)) || (((0 <= sum && 0 <= i) && i + sum <= 0) && 7 * n + sum <= 700)) || ((((51 <= i && i <= 51) && n <= 100) && 0 <= sum) && sum <= 1275)) || ((((28 <= i && i <= 28) && n <= 100) && 0 <= sum) && sum + 210 <= 21 * i)) || (((72 <= i && n <= 100) && 0 <= sum) && i * 55 + sum < 2147482163)) || (((n <= 100 && 0 <= sum) && 78 <= i) && 49 * i + sum < 2147482472)) || (((i <= 13 && n <= 100) && 0 <= sum) && 169 + sum <= 19 * i)) || (((n <= 100 && i * 58 + sum < 2147481995) && 0 <= sum) && 69 <= i)) || ((((i <= 53 && 53 <= i) && n <= 100) && 0 <= sum) && sum <= 1378)) || (((i <= 3 && 0 <= sum) && n * 15 + sum <= 1494 + 3 * i) && 3 + sum <= 2 * i)) || (((n <= 100 && i * 43 + sum < 2147482745) && 0 <= sum) && 84 <= i)) || ((((36 <= i && n <= 100) && 0 <= sum) && sum <= 630) && i <= 36)) || ((((i <= 52 && n <= 100) && sum <= 1326) && 0 <= sum) && 52 <= i)) || (((92 <= i && n <= 100) && 0 <= sum) && 35 * i + sum < 2147483053)) || (((n <= 100 && 0 <= sum) && 44 * i + sum < 2147482702) && 83 <= i)) || (((n <= 100 && 42 * i + sum < 2147482787) && 0 <= sum) && 85 <= i)) || (((52 * i + sum < 2147482322 && n <= 100) && 0 <= sum) && 75 <= i)) || ((((n <= 100 && 0 <= sum) && 39 <= i) && sum <= 741) && i <= 39)) || (((n <= 100 && 0 <= sum) && 59 * i + sum < 2147481937) && 68 <= i)) || ((((30 <= i && i <= 30) && n <= 100) && 0 <= sum) && sum <= 435)) || (((i * 50 + sum < 2147482423 && n <= 100) && 0 <= sum) && 77 <= i)) || ((((n <= 100 && 0 <= sum) && i <= 24) && 24 <= i) && sum <= 276)) || ((((n <= 100 && i <= 48) && 0 <= sum) && 48 <= i) && sum <= 1128)) || (((0 <= sum && i <= 2) && sum + n * 63 <= 6297 + 2 * i) && 15 + sum <= i * 8)) || (((sum + n * 63 <= 6255 + 9 * i && 0 <= sum) && sum + 99 <= i * 15) && i <= 9)) || (((n <= 100 && 0 <= sum) && 65 <= i) && 62 * i + sum < 2147481757)) || ((((n <= 100 && 0 <= sum) && 34 <= i) && sum <= 561) && i <= 34)) || ((((sum <= 1035 && n <= 100) && 0 <= sum) && i <= 46) && 46 <= i)) || ((((n <= 100 && 0 <= sum) && i <= 20) && sum + 70 <= i * 13) && 20 <= i)) || (((0 <= sum && sum + n * 63 <= 6272 + 7 * i) && sum + 70 <= i * 13) && i <= 7)) || (((n <= 100 && 0 <= sum) && sum + 210 <= 21 * i) && i <= 15)) || (((n <= 100 && 0 <= sum) && 56 * i + sum < 2147482108) && 71 <= i)) || (((n <= 100 && 0 <= sum) && sum + i * 28 < 2147483270) && 99 <= i)) || ((((5 <= i && 0 <= sum) && n * 15 + sum <= 1485 + 5 * i) && i <= 5) && sum <= 10)) || ((((n <= 100 && 0 <= sum) && i <= 22) && sum + 99 <= i * 15) && 22 <= i)) || ((((i <= 61 && sum <= 1830) && n <= 100) && 0 <= sum) && 61 <= i)) || (((i * 38 + sum < 2147482945 && n <= 100) && 0 <= sum) && 89 <= i) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-26 00:56:26,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca97c74b-8c73-4264-89c4-79b37e419cb1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE