./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V --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 de6decccd91c37b79cf607a5f07869bb0707e08de203e3ce6759a25f4e6e01ba --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:59:18,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:59:18,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:59:18,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:59:18,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:59:18,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:59:18,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:59:18,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:59:18,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:59:18,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:59:18,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:59:18,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:59:18,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:59:18,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:59:18,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:59:18,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:59:18,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:59:18,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:59:18,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:59:18,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:59:18,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:59:18,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:59:18,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:59:18,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:59:18,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:59:18,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:59:18,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:59:18,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:59:18,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:59:18,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:59:18,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:59:18,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:59:18,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:59:18,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:59:18,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:59:18,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:59:18,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:59:18,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:59:18,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:59:18,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:59:18,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:59:18,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:59:18,375 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:59:18,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:59:18,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:59:18,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:59:18,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:59:18,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:59:18,378 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:59:18,378 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:59:18,378 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:59:18,379 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:59:18,379 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:59:18,379 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:59:18,380 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:59:18,380 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:59:18,380 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:59:18,381 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:59:18,381 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:59:18,381 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:59:18,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:59:18,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:59:18,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:59:18,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:59:18,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:59:18,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:59:18,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:59:18,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:59:18,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:59:18,385 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:59:18,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:59:18,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:59:18,386 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:59:18,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:59:18,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:59:18,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:59:18,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:59:18,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:59:18,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:59:18,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:59:18,389 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:59:18,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:59:18,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:59:18,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:59:18,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:59:18,391 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de6decccd91c37b79cf607a5f07869bb0707e08de203e3ce6759a25f4e6e01ba [2021-11-23 02:59:18,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:59:18,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:59:18,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:59:18,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:59:18,801 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:59:18,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-11-23 02:59:18,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/data/cd9ed157c/beda34db0d6b471aa983099f452379d3/FLAG587b44a1f [2021-11-23 02:59:19,538 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:59:19,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-11-23 02:59:19,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/data/cd9ed157c/beda34db0d6b471aa983099f452379d3/FLAG587b44a1f [2021-11-23 02:59:19,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/data/cd9ed157c/beda34db0d6b471aa983099f452379d3 [2021-11-23 02:59:19,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:59:19,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:59:19,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:59:19,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:59:19,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:59:19,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:59:19" (1/1) ... [2021-11-23 02:59:19,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193c3568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:19, skipping insertion in model container [2021-11-23 02:59:19,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:59:19" (1/1) ... [2021-11-23 02:59:19,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:59:19,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:59:20,119 WARN L230 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_e967f87c-c121-41ce-abf1-f14603db0682/sv-benchmarks/c/bitvector/byte_add_2-2.i[1168,1181] [2021-11-23 02:59:20,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:59:20,189 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:59:20,220 WARN L230 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_e967f87c-c121-41ce-abf1-f14603db0682/sv-benchmarks/c/bitvector/byte_add_2-2.i[1168,1181] [2021-11-23 02:59:20,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:59:20,310 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:59:20,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20 WrapperNode [2021-11-23 02:59:20,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:59:20,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:59:20,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:59:20,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:59:20,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (1/1) ... [2021-11-23 02:59:20,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (1/1) ... [2021-11-23 02:59:20,399 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 159 [2021-11-23 02:59:20,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:59:20,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:59:20,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:59:20,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:59:20,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (1/1) ... [2021-11-23 02:59:20,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (1/1) ... [2021-11-23 02:59:20,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (1/1) ... [2021-11-23 02:59:20,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (1/1) ... [2021-11-23 02:59:20,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (1/1) ... [2021-11-23 02:59:20,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (1/1) ... [2021-11-23 02:59:20,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (1/1) ... [2021-11-23 02:59:20,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:59:20,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:59:20,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:59:20,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:59:20,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (1/1) ... [2021-11-23 02:59:20,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:59:20,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:59:20,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:59:20,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:59:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:59:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:59:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:59:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:59:20,674 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:59:20,676 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:59:20,999 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:59:21,096 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:59:21,096 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:59:21,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:21 BoogieIcfgContainer [2021-11-23 02:59:21,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:59:21,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:59:21,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:59:21,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:59:21,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:59:19" (1/3) ... [2021-11-23 02:59:21,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2cac2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:21, skipping insertion in model container [2021-11-23 02:59:21,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:20" (2/3) ... [2021-11-23 02:59:21,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2cac2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:21, skipping insertion in model container [2021-11-23 02:59:21,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:21" (3/3) ... [2021-11-23 02:59:21,112 INFO L111 eAbstractionObserver]: Analyzing ICFG byte_add_2-2.i [2021-11-23 02:59:21,119 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:59:21,119 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-23 02:59:21,184 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:59:21,194 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:59:21,195 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-23 02:59:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 58 states have (on average 1.9310344827586208) internal successors, (112), 94 states have internal predecessors, (112), 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) [2021-11-23 02:59:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 02:59:21,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:59:21,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 02:59:21,228 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-11-23 02:59:21,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:59:21,237 INFO L85 PathProgramCache]: Analyzing trace with hash 286539, now seen corresponding path program 1 times [2021-11-23 02:59:21,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:59:21,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625261314] [2021-11-23 02:59:21,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:59:21,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:59:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:59:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:59:21,471 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:59:21,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625261314] [2021-11-23 02:59:21,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625261314] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:59:21,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:59:21,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 02:59:21,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578464836] [2021-11-23 02:59:21,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:59:21,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:59:21,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:59:21,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:59:21,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:59:21,560 INFO L87 Difference]: Start difference. First operand has 95 states, 58 states have (on average 1.9310344827586208) internal successors, (112), 94 states have internal predecessors, (112), 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 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-23 02:59:21,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:59:21,612 INFO L93 Difference]: Finished difference Result 95 states and 112 transitions. [2021-11-23 02:59:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:59:21,617 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-23 02:59:21,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:59:21,625 INFO L225 Difference]: With dead ends: 95 [2021-11-23 02:59:21,626 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:59:21,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:59:21,636 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:59:21,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:59:21,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:59:21,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:59:21,670 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) [2021-11-23 02:59:21,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:59:21,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2021-11-23 02:59:21,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:59:21,673 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:59:21,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-23 02:59:21,673 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:59:21,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:59:21,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 36 remaining) [2021-11-23 02:59:21,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 36 remaining) [2021-11-23 02:59:21,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 36 remaining) [2021-11-23 02:59:21,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 36 remaining) [2021-11-23 02:59:21,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 36 remaining) [2021-11-23 02:59:21,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 36 remaining) [2021-11-23 02:59:21,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 36 remaining) [2021-11-23 02:59:21,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 36 remaining) [2021-11-23 02:59:21,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 36 remaining) [2021-11-23 02:59:21,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 36 remaining) [2021-11-23 02:59:21,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 36 remaining) [2021-11-23 02:59:21,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 36 remaining) [2021-11-23 02:59:21,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 36 remaining) [2021-11-23 02:59:21,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 36 remaining) [2021-11-23 02:59:21,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 36 remaining) [2021-11-23 02:59:21,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 36 remaining) [2021-11-23 02:59:21,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 36 remaining) [2021-11-23 02:59:21,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 36 remaining) [2021-11-23 02:59:21,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 36 remaining) [2021-11-23 02:59:21,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 36 remaining) [2021-11-23 02:59:21,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 36 remaining) [2021-11-23 02:59:21,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 36 remaining) [2021-11-23 02:59:21,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 36 remaining) [2021-11-23 02:59:21,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 36 remaining) [2021-11-23 02:59:21,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 36 remaining) [2021-11-23 02:59:21,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 36 remaining) [2021-11-23 02:59:21,688 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 36 remaining) [2021-11-23 02:59:21,688 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 36 remaining) [2021-11-23 02:59:21,689 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 36 remaining) [2021-11-23 02:59:21,689 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 36 remaining) [2021-11-23 02:59:21,689 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 36 remaining) [2021-11-23 02:59:21,690 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 36 remaining) [2021-11-23 02:59:21,690 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 36 remaining) [2021-11-23 02:59:21,691 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 36 remaining) [2021-11-23 02:59:21,691 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 36 remaining) [2021-11-23 02:59:21,692 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 36 remaining) [2021-11-23 02:59:21,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:59:21,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:59:21,705 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2021-11-23 02:59:21,706 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 113) no Hoare annotation was computed. [2021-11-23 02:59:21,706 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-11-23 02:59:21,706 INFO L858 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2021-11-23 02:59:21,707 INFO L858 garLoopResultBuilder]: For program point L85-3(lines 83 88) no Hoare annotation was computed. [2021-11-23 02:59:21,707 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2021-11-23 02:59:21,707 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 77) no Hoare annotation was computed. [2021-11-23 02:59:21,707 INFO L858 garLoopResultBuilder]: For program point L102-1(line 102) no Hoare annotation was computed. [2021-11-23 02:59:21,708 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 69 77) no Hoare annotation was computed. [2021-11-23 02:59:21,708 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 02:59:21,708 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-23 02:59:21,709 INFO L858 garLoopResultBuilder]: For program point L86-1(line 86) no Hoare annotation was computed. [2021-11-23 02:59:21,709 INFO L858 garLoopResultBuilder]: For program point L86-3(lines 83 88) no Hoare annotation was computed. [2021-11-23 02:59:21,709 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 92) no Hoare annotation was computed. [2021-11-23 02:59:21,709 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 72) no Hoare annotation was computed. [2021-11-23 02:59:21,710 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-11-23 02:59:21,710 INFO L858 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2021-11-23 02:59:21,710 INFO L858 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2021-11-23 02:59:21,710 INFO L858 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2021-11-23 02:59:21,711 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 92) no Hoare annotation was computed. [2021-11-23 02:59:21,711 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 116) no Hoare annotation was computed. [2021-11-23 02:59:21,711 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 72) no Hoare annotation was computed. [2021-11-23 02:59:21,712 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-23 02:59:21,712 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 76) no Hoare annotation was computed. [2021-11-23 02:59:21,712 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 87) no Hoare annotation was computed. [2021-11-23 02:59:21,713 INFO L858 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2021-11-23 02:59:21,713 INFO L858 garLoopResultBuilder]: For program point L72-1(line 72) no Hoare annotation was computed. [2021-11-23 02:59:21,713 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 87) no Hoare annotation was computed. [2021-11-23 02:59:21,713 INFO L858 garLoopResultBuilder]: For program point L89(lines 80 105) no Hoare annotation was computed. [2021-11-23 02:59:21,714 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 75) no Hoare annotation was computed. [2021-11-23 02:59:21,714 INFO L858 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2021-11-23 02:59:21,714 INFO L858 garLoopResultBuilder]: For program point L90-1(line 90) no Hoare annotation was computed. [2021-11-23 02:59:21,715 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 104) no Hoare annotation was computed. [2021-11-23 02:59:21,715 INFO L858 garLoopResultBuilder]: For program point L90-2(line 90) no Hoare annotation was computed. [2021-11-23 02:59:21,715 INFO L858 garLoopResultBuilder]: For program point L90-4(lines 89 94) no Hoare annotation was computed. [2021-11-23 02:59:21,715 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2021-11-23 02:59:21,716 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-23 02:59:21,716 INFO L858 garLoopResultBuilder]: For program point L107-1(lines 41 119) no Hoare annotation was computed. [2021-11-23 02:59:21,716 INFO L858 garLoopResultBuilder]: For program point L74-1(line 74) no Hoare annotation was computed. [2021-11-23 02:59:21,716 INFO L858 garLoopResultBuilder]: For program point L107-2(lines 107 114) no Hoare annotation was computed. [2021-11-23 02:59:21,717 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:59:21,717 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-11-23 02:59:21,717 INFO L858 garLoopResultBuilder]: For program point L91-1(line 91) no Hoare annotation was computed. [2021-11-23 02:59:21,717 INFO L858 garLoopResultBuilder]: For program point L91-3(lines 89 94) no Hoare annotation was computed. [2021-11-23 02:59:21,718 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 104) no Hoare annotation was computed. [2021-11-23 02:59:21,718 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2021-11-23 02:59:21,718 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 91) no Hoare annotation was computed. [2021-11-23 02:59:21,719 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2021-11-23 02:59:21,719 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-23 02:59:21,719 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 67) no Hoare annotation was computed. [2021-11-23 02:59:21,719 INFO L858 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2021-11-23 02:59:21,720 INFO L858 garLoopResultBuilder]: For program point L59-1(lines 59 67) no Hoare annotation was computed. [2021-11-23 02:59:21,720 INFO L858 garLoopResultBuilder]: For program point L92-3(lines 89 94) no Hoare annotation was computed. [2021-11-23 02:59:21,720 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 116) no Hoare annotation was computed. [2021-11-23 02:59:21,721 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2021-11-23 02:59:21,721 INFO L858 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2021-11-23 02:59:21,721 INFO L858 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2021-11-23 02:59:21,721 INFO L858 garLoopResultBuilder]: For program point L93-1(line 93) no Hoare annotation was computed. [2021-11-23 02:59:21,722 INFO L858 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2021-11-23 02:59:21,722 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 91) no Hoare annotation was computed. [2021-11-23 02:59:21,722 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 116) no Hoare annotation was computed. [2021-11-23 02:59:21,723 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2021-11-23 02:59:21,727 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2021-11-23 02:59:21,727 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 66) no Hoare annotation was computed. [2021-11-23 02:59:21,728 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 86) no Hoare annotation was computed. [2021-11-23 02:59:21,728 INFO L858 garLoopResultBuilder]: For program point L111-1(line 111) no Hoare annotation was computed. [2021-11-23 02:59:21,728 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2021-11-23 02:59:21,729 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-23 02:59:21,729 INFO L858 garLoopResultBuilder]: For program point L62-1(line 62) no Hoare annotation was computed. [2021-11-23 02:59:21,730 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 86) no Hoare annotation was computed. [2021-11-23 02:59:21,730 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 65) no Hoare annotation was computed. [2021-11-23 02:59:21,730 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 93) no Hoare annotation was computed. [2021-11-23 02:59:21,734 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-23 02:59:21,735 INFO L861 garLoopResultBuilder]: At program point L80-2(lines 80 105) the Hoare annotation is: true [2021-11-23 02:59:21,736 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 74) no Hoare annotation was computed. [2021-11-23 02:59:21,736 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-11-23 02:59:21,736 INFO L858 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2021-11-23 02:59:21,737 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 93) no Hoare annotation was computed. [2021-11-23 02:59:21,737 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 74) no Hoare annotation was computed. [2021-11-23 02:59:21,737 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2021-11-23 02:59:21,738 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 90) no Hoare annotation was computed. [2021-11-23 02:59:21,738 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 116) no Hoare annotation was computed. [2021-11-23 02:59:21,739 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2021-11-23 02:59:21,742 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 90) no Hoare annotation was computed. [2021-11-23 02:59:21,743 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-23 02:59:21,743 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 88) no Hoare annotation was computed. [2021-11-23 02:59:21,743 INFO L858 garLoopResultBuilder]: For program point L116-1(line 116) no Hoare annotation was computed. [2021-11-23 02:59:21,744 INFO L858 garLoopResultBuilder]: For program point L83-1(lines 80 105) no Hoare annotation was computed. [2021-11-23 02:59:21,744 INFO L861 garLoopResultBuilder]: At program point L116-2(line 116) the Hoare annotation is: true [2021-11-23 02:59:21,745 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 113) no Hoare annotation was computed. [2021-11-23 02:59:21,745 INFO L858 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-11-23 02:59:21,745 INFO L858 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-11-23 02:59:21,745 INFO L858 garLoopResultBuilder]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-11-23 02:59:21,747 INFO L858 garLoopResultBuilder]: For program point L84-4(lines 83 88) no Hoare annotation was computed. [2021-11-23 02:59:21,747 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2021-11-23 02:59:21,752 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-23 02:59:21,759 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:59:21,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:59:21 BoogieIcfgContainer [2021-11-23 02:59:21,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:59:21,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:59:21,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:59:21,794 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:59:21,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:21" (3/4) ... [2021-11-23 02:59:21,803 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:59:21,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-23 02:59:21,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 02:59:21,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-23 02:59:21,857 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:59:21,971 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:59:21,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:59:21,973 INFO L158 Benchmark]: Toolchain (without parser) took 2153.62ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 61.2MB in the beginning and 76.0MB in the end (delta: -14.8MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-11-23 02:59:21,974 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 66.9MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:59:21,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.12ms. Allocated memory is still 96.5MB. Free memory was 61.0MB in the beginning and 70.1MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:59:21,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.39ms. Allocated memory is still 96.5MB. Free memory was 70.1MB in the beginning and 67.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:59:21,976 INFO L158 Benchmark]: Boogie Preprocessor took 52.98ms. Allocated memory is still 96.5MB. Free memory was 67.9MB in the beginning and 66.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:59:21,977 INFO L158 Benchmark]: RCFGBuilder took 637.85ms. Allocated memory is still 96.5MB. Free memory was 66.3MB in the beginning and 49.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 02:59:21,977 INFO L158 Benchmark]: TraceAbstraction took 686.33ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 48.5MB in the beginning and 81.2MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:59:21,978 INFO L158 Benchmark]: Witness Printer took 182.02ms. Allocated memory is still 119.5MB. Free memory was 81.2MB in the beginning and 76.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:59:21,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 66.9MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.12ms. Allocated memory is still 96.5MB. Free memory was 61.0MB in the beginning and 70.1MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.39ms. Allocated memory is still 96.5MB. Free memory was 70.1MB in the beginning and 67.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.98ms. Allocated memory is still 96.5MB. Free memory was 67.9MB in the beginning and 66.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.85ms. Allocated memory is still 96.5MB. Free memory was 66.3MB in the beginning and 49.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 686.33ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 48.5MB in the beginning and 81.2MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 182.02ms. Allocated memory is still 119.5MB. Free memory was 81.2MB in the beginning and 76.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: 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, 95 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 70 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 36 specifications checked. All of them hold - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-23 02:59:22,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967f87c-c121-41ce-abf1-f14603db0682/bin/utaipan-EQgc7hIp5V/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