./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P --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 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:47:12,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:47:12,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:47:12,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:47:12,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:47:12,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:47:12,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:47:12,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:47:12,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:47:12,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:47:12,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:47:12,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:47:12,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:47:12,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:47:12,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:47:12,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:47:12,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:47:12,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:47:12,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:47:12,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:47:12,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:47:12,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:47:12,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:47:12,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:47:12,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:47:12,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:47:12,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:47:12,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:47:12,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:47:12,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:47:12,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:47:12,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:47:12,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:47:12,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:47:12,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:47:12,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:47:12,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:47:12,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:47:12,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:47:12,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:47:12,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:47:12,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:47:12,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:47:12,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:47:12,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:47:12,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:47:12,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:47:12,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:47:12,705 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:47:12,706 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:47:12,706 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:47:12,706 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:47:12,706 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:47:12,706 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:47:12,707 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:47:12,707 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:47:12,707 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:47:12,707 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:47:12,707 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:47:12,708 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:47:12,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:47:12,709 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:47:12,709 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:47:12,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:47:12,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:47:12,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:47:12,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:47:12,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:47:12,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:47:12,710 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:47:12,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:47:12,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:47:12,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:47:12,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:47:12,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:47:12,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:47:12,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:47:12,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:47:12,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:47:12,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:47:12,713 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:47:12,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:47:12,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:47:12,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:47:12,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:47:12,714 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_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef [2021-11-21 00:47:12,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:47:12,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:47:12,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:47:12,983 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:47:12,984 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:47:12,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-11-21 00:47:13,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/data/2e4eeed44/9bdfde99ceb34d8993b0045bbfc39b40/FLAGb1188c2a1 [2021-11-21 00:47:13,528 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:47:13,529 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-11-21 00:47:13,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/data/2e4eeed44/9bdfde99ceb34d8993b0045bbfc39b40/FLAGb1188c2a1 [2021-11-21 00:47:13,847 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/data/2e4eeed44/9bdfde99ceb34d8993b0045bbfc39b40 [2021-11-21 00:47:13,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:47:13,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:47:13,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:47:13,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:47:13,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:47:13,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:47:13" (1/1) ... [2021-11-21 00:47:13,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d53b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:13, skipping insertion in model container [2021-11-21 00:47:13,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:47:13" (1/1) ... [2021-11-21 00:47:13,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:47:13,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:47:14,229 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_38dc654a-c1c2-4db4-b786-eb8407cacd2a/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2021-11-21 00:47:14,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:47:14,247 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:47:14,359 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_38dc654a-c1c2-4db4-b786-eb8407cacd2a/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2021-11-21 00:47:14,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:47:14,381 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:47:14,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14 WrapperNode [2021-11-21 00:47:14,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:47:14,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:47:14,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:47:14,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:47:14,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (1/1) ... [2021-11-21 00:47:14,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (1/1) ... [2021-11-21 00:47:14,470 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 469 [2021-11-21 00:47:14,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:47:14,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:47:14,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:47:14,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:47:14,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (1/1) ... [2021-11-21 00:47:14,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (1/1) ... [2021-11-21 00:47:14,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (1/1) ... [2021-11-21 00:47:14,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (1/1) ... [2021-11-21 00:47:14,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (1/1) ... [2021-11-21 00:47:14,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (1/1) ... [2021-11-21 00:47:14,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (1/1) ... [2021-11-21 00:47:14,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:47:14,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:47:14,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:47:14,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:47:14,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (1/1) ... [2021-11-21 00:47:14,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:47:14,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:47:14,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:47:14,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:47:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:47:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:47:14,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:47:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:47:14,706 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:47:14,708 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:47:15,544 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:47:15,564 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:47:15,565 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 00:47:15,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:47:15 BoogieIcfgContainer [2021-11-21 00:47:15,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:47:15,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:47:15,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:47:15,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:47:15,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:47:13" (1/3) ... [2021-11-21 00:47:15,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e710ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:47:15, skipping insertion in model container [2021-11-21 00:47:15,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:47:14" (2/3) ... [2021-11-21 00:47:15,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e710ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:47:15, skipping insertion in model container [2021-11-21 00:47:15,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:47:15" (3/3) ... [2021-11-21 00:47:15,576 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2021-11-21 00:47:15,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:47:15,581 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2021-11-21 00:47:15,640 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:47:15,646 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 [2021-11-21 00:47:15,646 INFO L340 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2021-11-21 00:47:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 149 states have (on average 1.9731543624161074) internal successors, (294), 191 states have internal predecessors, (294), 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) [2021-11-21 00:47:15,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 00:47:15,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:15,674 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:15,675 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:47:15,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:15,680 INFO L85 PathProgramCache]: Analyzing trace with hash -732953023, now seen corresponding path program 1 times [2021-11-21 00:47:15,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:15,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655681824] [2021-11-21 00:47:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:15,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:15,837 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:15,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655681824] [2021-11-21 00:47:15,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655681824] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:15,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:15,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:47:15,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451122289] [2021-11-21 00:47:15,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:15,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:47:15,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:15,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:47:15,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:15,880 INFO L87 Difference]: Start difference. First operand has 192 states, 149 states have (on average 1.9731543624161074) internal successors, (294), 191 states have internal predecessors, (294), 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, 3 states have (on average 3.0) internal successors, (9), 2 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) [2021-11-21 00:47:16,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:16,070 INFO L93 Difference]: Finished difference Result 386 states and 593 transitions. [2021-11-21 00:47:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:47:16,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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 [2021-11-21 00:47:16,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:16,087 INFO L225 Difference]: With dead ends: 386 [2021-11-21 00:47:16,087 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 00:47:16,091 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:47:16,096 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 4 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:16,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 525 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:47:16,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 00:47:16,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-11-21 00:47:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 123 states have (on average 1.6910569105691058) internal successors, (208), 164 states have internal predecessors, (208), 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) [2021-11-21 00:47:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 208 transitions. [2021-11-21 00:47:16,157 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 208 transitions. Word has length 9 [2021-11-21 00:47:16,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:16,157 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 208 transitions. [2021-11-21 00:47:16,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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) [2021-11-21 00:47:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 208 transitions. [2021-11-21 00:47:16,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 00:47:16,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:16,159 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:16,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:47:16,159 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:47:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:16,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1106630647, now seen corresponding path program 1 times [2021-11-21 00:47:16,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:16,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630707779] [2021-11-21 00:47:16,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:16,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:16,279 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:16,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630707779] [2021-11-21 00:47:16,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630707779] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:16,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:16,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:47:16,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998168489] [2021-11-21 00:47:16,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:16,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:47:16,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:16,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:47:16,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:16,282 INFO L87 Difference]: Start difference. First operand 165 states and 208 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 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) [2021-11-21 00:47:16,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:16,442 INFO L93 Difference]: Finished difference Result 320 states and 406 transitions. [2021-11-21 00:47:16,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:47:16,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 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) Word has length 14 [2021-11-21 00:47:16,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:16,450 INFO L225 Difference]: With dead ends: 320 [2021-11-21 00:47:16,450 INFO L226 Difference]: Without dead ends: 260 [2021-11-21 00:47:16,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:16,462 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 151 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:16,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 321 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:47:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-11-21 00:47:16,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 251. [2021-11-21 00:47:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 209 states have (on average 1.6267942583732058) internal successors, (340), 250 states have internal predecessors, (340), 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) [2021-11-21 00:47:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 340 transitions. [2021-11-21 00:47:16,495 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 340 transitions. Word has length 14 [2021-11-21 00:47:16,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:16,497 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 340 transitions. [2021-11-21 00:47:16,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 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) [2021-11-21 00:47:16,498 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 340 transitions. [2021-11-21 00:47:16,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 00:47:16,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:16,500 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:16,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:47:16,507 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:47:16,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:16,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1993942009, now seen corresponding path program 1 times [2021-11-21 00:47:16,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:16,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949449190] [2021-11-21 00:47:16,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:16,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:16,630 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:16,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949449190] [2021-11-21 00:47:16,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949449190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:16,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:16,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:47:16,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835867083] [2021-11-21 00:47:16,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:16,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:47:16,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:16,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:47:16,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:16,633 INFO L87 Difference]: Start difference. First operand 251 states and 340 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-21 00:47:16,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:16,708 INFO L93 Difference]: Finished difference Result 354 states and 486 transitions. [2021-11-21 00:47:16,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:47:16,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2021-11-21 00:47:16,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:16,711 INFO L225 Difference]: With dead ends: 354 [2021-11-21 00:47:16,711 INFO L226 Difference]: Without dead ends: 346 [2021-11-21 00:47:16,711 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:47:16,713 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 123 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:16,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 375 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:47:16,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-11-21 00:47:16,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 341. [2021-11-21 00:47:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 299 states have (on average 1.5785953177257526) internal successors, (472), 340 states have internal predecessors, (472), 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) [2021-11-21 00:47:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 472 transitions. [2021-11-21 00:47:16,733 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 472 transitions. Word has length 16 [2021-11-21 00:47:16,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:16,734 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 472 transitions. [2021-11-21 00:47:16,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-21 00:47:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 472 transitions. [2021-11-21 00:47:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 00:47:16,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:16,736 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:16,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:47:16,737 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:47:16,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:16,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1428786505, now seen corresponding path program 1 times [2021-11-21 00:47:16,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:16,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150267722] [2021-11-21 00:47:16,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:16,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:16,838 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:47:16,839 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:16,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150267722] [2021-11-21 00:47:16,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150267722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:16,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:16,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:47:16,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719460988] [2021-11-21 00:47:16,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:16,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:47:16,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:16,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:47:16,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:16,842 INFO L87 Difference]: Start difference. First operand 341 states and 472 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2021-11-21 00:47:16,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:16,881 INFO L93 Difference]: Finished difference Result 695 states and 969 transitions. [2021-11-21 00:47:16,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:47:16,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 24 [2021-11-21 00:47:16,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:16,884 INFO L225 Difference]: With dead ends: 695 [2021-11-21 00:47:16,884 INFO L226 Difference]: Without dead ends: 356 [2021-11-21 00:47:16,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:16,887 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 39 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:16,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 348 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:47:16,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-21 00:47:16,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2021-11-21 00:47:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 314 states have (on average 1.5509554140127388) internal successors, (487), 355 states have internal predecessors, (487), 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) [2021-11-21 00:47:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 487 transitions. [2021-11-21 00:47:16,901 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 487 transitions. Word has length 24 [2021-11-21 00:47:16,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:16,901 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 487 transitions. [2021-11-21 00:47:16,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2021-11-21 00:47:16,902 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 487 transitions. [2021-11-21 00:47:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 00:47:16,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:16,904 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:16,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:47:16,904 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:47:16,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:16,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1183212724, now seen corresponding path program 1 times [2021-11-21 00:47:16,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:16,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024598787] [2021-11-21 00:47:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:16,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 00:47:17,007 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:17,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024598787] [2021-11-21 00:47:17,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024598787] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:17,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:17,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:47:17,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140911032] [2021-11-21 00:47:17,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:17,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:47:17,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:17,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:47:17,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:17,011 INFO L87 Difference]: Start difference. First operand 356 states and 487 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-21 00:47:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:17,113 INFO L93 Difference]: Finished difference Result 358 states and 489 transitions. [2021-11-21 00:47:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:47:17,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 [2021-11-21 00:47:17,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:17,116 INFO L225 Difference]: With dead ends: 358 [2021-11-21 00:47:17,116 INFO L226 Difference]: Without dead ends: 341 [2021-11-21 00:47:17,118 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:47:17,123 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 165 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:17,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 152 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:47:17,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-11-21 00:47:17,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 339. [2021-11-21 00:47:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 314 states have (on average 1.4968152866242037) internal successors, (470), 338 states have internal predecessors, (470), 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) [2021-11-21 00:47:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 470 transitions. [2021-11-21 00:47:17,142 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 470 transitions. Word has length 27 [2021-11-21 00:47:17,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:17,143 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 470 transitions. [2021-11-21 00:47:17,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-21 00:47:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 470 transitions. [2021-11-21 00:47:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 00:47:17,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:17,145 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:17,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:47:17,145 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:47:17,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:17,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1975112562, now seen corresponding path program 1 times [2021-11-21 00:47:17,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:17,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052300389] [2021-11-21 00:47:17,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:17,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 00:47:17,187 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:17,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052300389] [2021-11-21 00:47:17,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052300389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:17,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:17,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:47:17,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675816211] [2021-11-21 00:47:17,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:17,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:47:17,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:17,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:47:17,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:17,189 INFO L87 Difference]: Start difference. First operand 339 states and 470 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-21 00:47:17,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:17,205 INFO L93 Difference]: Finished difference Result 679 states and 941 transitions. [2021-11-21 00:47:17,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:47:17,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2021-11-21 00:47:17,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:17,208 INFO L225 Difference]: With dead ends: 679 [2021-11-21 00:47:17,208 INFO L226 Difference]: Without dead ends: 339 [2021-11-21 00:47:17,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:17,209 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:17,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:47:17,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-11-21 00:47:17,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2021-11-21 00:47:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 314 states have (on average 1.4872611464968153) internal successors, (467), 338 states have internal predecessors, (467), 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) [2021-11-21 00:47:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 467 transitions. [2021-11-21 00:47:17,220 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 467 transitions. Word has length 28 [2021-11-21 00:47:17,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:17,220 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 467 transitions. [2021-11-21 00:47:17,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-21 00:47:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 467 transitions. [2021-11-21 00:47:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 00:47:17,222 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:17,222 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:17,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:47:17,222 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:47:17,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:17,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1975110896, now seen corresponding path program 1 times [2021-11-21 00:47:17,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:17,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973863680] [2021-11-21 00:47:17,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:17,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:17,311 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:17,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973863680] [2021-11-21 00:47:17,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973863680] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:47:17,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818186708] [2021-11-21 00:47:17,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:17,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:47:17,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:47:17,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:47:17,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:47:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:17,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 00:47:17,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:47:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:17,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:47:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:17,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818186708] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-21 00:47:17,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 00:47:17,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-11-21 00:47:17,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675682838] [2021-11-21 00:47:17,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:17,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:47:17,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:17,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:47:17,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:47:17,890 INFO L87 Difference]: Start difference. First operand 339 states and 467 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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) [2021-11-21 00:47:17,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:17,944 INFO L93 Difference]: Finished difference Result 339 states and 467 transitions. [2021-11-21 00:47:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:47:17,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2021-11-21 00:47:17,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:17,946 INFO L225 Difference]: With dead ends: 339 [2021-11-21 00:47:17,946 INFO L226 Difference]: Without dead ends: 296 [2021-11-21 00:47:17,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:47:17,948 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 309 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:17,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 143 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:47:17,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-11-21 00:47:17,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 205. [2021-11-21 00:47:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 197 states have (on average 1.4619289340101522) internal successors, (288), 204 states have internal predecessors, (288), 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) [2021-11-21 00:47:17,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 288 transitions. [2021-11-21 00:47:17,958 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 288 transitions. Word has length 28 [2021-11-21 00:47:17,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:17,960 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 288 transitions. [2021-11-21 00:47:17,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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) [2021-11-21 00:47:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 288 transitions. [2021-11-21 00:47:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 00:47:17,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:17,963 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:18,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:47:18,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-21 00:47:18,179 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:47:18,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash 293984338, now seen corresponding path program 1 times [2021-11-21 00:47:18,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:18,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555657207] [2021-11-21 00:47:18,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:18,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:18,261 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:18,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555657207] [2021-11-21 00:47:18,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555657207] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:47:18,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367093418] [2021-11-21 00:47:18,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:18,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:47:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:47:18,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:47:18,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:47:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:18,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:47:18,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:47:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:18,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:47:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:18,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367093418] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:47:18,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [637887130] [2021-11-21 00:47:18,563 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2021-11-21 00:47:18,563 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:47:18,568 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:47:18,574 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:47:18,574 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:47:31,501 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:47:34,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [637887130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:34,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:47:34,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [3, 3, 3] total 23 [2021-11-21 00:47:34,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486708002] [2021-11-21 00:47:34,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:34,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-21 00:47:34,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:34,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-21 00:47:34,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2021-11-21 00:47:34,151 INFO L87 Difference]: Start difference. First operand 205 states and 288 transitions. Second operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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) [2021-11-21 00:47:35,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:35,492 INFO L93 Difference]: Finished difference Result 457 states and 642 transitions. [2021-11-21 00:47:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-21 00:47:35,493 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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 30 [2021-11-21 00:47:35,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:35,494 INFO L225 Difference]: With dead ends: 457 [2021-11-21 00:47:35,494 INFO L226 Difference]: Without dead ends: 254 [2021-11-21 00:47:35,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=186, Invalid=464, Unknown=0, NotChecked=0, Total=650 [2021-11-21 00:47:35,496 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 92 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:35,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 449 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-21 00:47:35,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-21 00:47:35,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 230. [2021-11-21 00:47:35,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 222 states have (on average 1.445945945945946) internal successors, (321), 229 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) [2021-11-21 00:47:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 321 transitions. [2021-11-21 00:47:35,506 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 321 transitions. Word has length 30 [2021-11-21 00:47:35,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:35,506 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 321 transitions. [2021-11-21 00:47:35,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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) [2021-11-21 00:47:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 321 transitions. [2021-11-21 00:47:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 00:47:35,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:35,507 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:35,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:47:35,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-21 00:47:35,731 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:47:35,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:35,731 INFO L85 PathProgramCache]: Analyzing trace with hash -992233122, now seen corresponding path program 1 times [2021-11-21 00:47:35,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:35,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341226971] [2021-11-21 00:47:35,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:35,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 00:47:35,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:35,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341226971] [2021-11-21 00:47:35,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341226971] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:47:35,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:47:35,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:47:35,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112336801] [2021-11-21 00:47:35,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:47:35,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:47:35,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:47:35,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:47:35,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:35,816 INFO L87 Difference]: Start difference. First operand 230 states and 321 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-11-21 00:47:35,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:47:35,851 INFO L93 Difference]: Finished difference Result 449 states and 635 transitions. [2021-11-21 00:47:35,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:47:35,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 [2021-11-21 00:47:35,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:47:35,853 INFO L225 Difference]: With dead ends: 449 [2021-11-21 00:47:35,854 INFO L226 Difference]: Without dead ends: 246 [2021-11-21 00:47:35,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:47:35,857 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 58 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:47:35,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 211 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:47:35,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-21 00:47:35,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2021-11-21 00:47:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 238 states have (on average 1.4327731092436975) internal successors, (341), 245 states have internal predecessors, (341), 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) [2021-11-21 00:47:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 341 transitions. [2021-11-21 00:47:35,867 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 341 transitions. Word has length 40 [2021-11-21 00:47:35,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:47:35,870 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 341 transitions. [2021-11-21 00:47:35,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-11-21 00:47:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 341 transitions. [2021-11-21 00:47:35,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 00:47:35,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:47:35,871 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:47:35,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 00:47:35,871 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:47:35,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:47:35,872 INFO L85 PathProgramCache]: Analyzing trace with hash 281859011, now seen corresponding path program 1 times [2021-11-21 00:47:35,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:47:35,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532363999] [2021-11-21 00:47:35,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:35,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:47:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:47:35,927 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:47:35,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532363999] [2021-11-21 00:47:35,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532363999] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:47:35,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325450375] [2021-11-21 00:47:35,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:47:35,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:47:35,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:47:35,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:47:35,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:47:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:47:36,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 00:47:36,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:47:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:47:36,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:47:36,216 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:47:36,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325450375] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:47:36,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [539194987] [2021-11-21 00:47:36,220 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2021-11-21 00:47:36,221 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:47:36,221 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:47:36,221 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:47:36,221 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:48:00,318 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:48:04,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [539194987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:48:04,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:48:04,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [4, 3, 3] total 36 [2021-11-21 00:48:04,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614928314] [2021-11-21 00:48:04,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:48:04,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-21 00:48:04,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:48:04,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-21 00:48:04,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=1071, Unknown=0, NotChecked=0, Total=1332 [2021-11-21 00:48:04,502 INFO L87 Difference]: Start difference. First operand 246 states and 341 transitions. Second operand has 32 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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) [2021-11-21 00:48:06,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:48:06,701 INFO L93 Difference]: Finished difference Result 512 states and 711 transitions. [2021-11-21 00:48:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-21 00:48:06,701 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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 46 [2021-11-21 00:48:06,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:48:06,703 INFO L225 Difference]: With dead ends: 512 [2021-11-21 00:48:06,703 INFO L226 Difference]: Without dead ends: 293 [2021-11-21 00:48:06,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=282, Invalid=1200, Unknown=0, NotChecked=0, Total=1482 [2021-11-21 00:48:06,705 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 197 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:48:06,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 770 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 00:48:06,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-11-21 00:48:06,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 287. [2021-11-21 00:48:06,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 279 states have (on average 1.4193548387096775) internal successors, (396), 286 states have internal predecessors, (396), 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) [2021-11-21 00:48:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 396 transitions. [2021-11-21 00:48:06,717 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 396 transitions. Word has length 46 [2021-11-21 00:48:06,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:48:06,717 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 396 transitions. [2021-11-21 00:48:06,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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) [2021-11-21 00:48:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 396 transitions. [2021-11-21 00:48:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 00:48:06,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:48:06,718 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:48:06,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:48:06,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-21 00:48:06,935 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:48:06,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:48:06,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1863756190, now seen corresponding path program 1 times [2021-11-21 00:48:06,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:48:06,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485634634] [2021-11-21 00:48:06,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:48:06,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:48:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:48:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-21 00:48:06,997 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:48:06,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485634634] [2021-11-21 00:48:06,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485634634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:48:06,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:48:06,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:48:06,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104643665] [2021-11-21 00:48:06,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:48:06,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:48:06,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:48:06,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:48:06,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:48:07,000 INFO L87 Difference]: Start difference. First operand 287 states and 396 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-21 00:48:07,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:48:07,029 INFO L93 Difference]: Finished difference Result 522 states and 722 transitions. [2021-11-21 00:48:07,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:48:07,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 62 [2021-11-21 00:48:07,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:48:07,032 INFO L225 Difference]: With dead ends: 522 [2021-11-21 00:48:07,032 INFO L226 Difference]: Without dead ends: 303 [2021-11-21 00:48:07,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:48:07,033 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 29 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:48:07,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 236 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:48:07,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-21 00:48:07,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2021-11-21 00:48:07,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 295 states have (on average 1.4033898305084747) internal successors, (414), 302 states have internal predecessors, (414), 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) [2021-11-21 00:48:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 414 transitions. [2021-11-21 00:48:07,045 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 414 transitions. Word has length 62 [2021-11-21 00:48:07,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:48:07,046 INFO L470 AbstractCegarLoop]: Abstraction has 303 states and 414 transitions. [2021-11-21 00:48:07,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-21 00:48:07,046 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 414 transitions. [2021-11-21 00:48:07,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 00:48:07,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:48:07,047 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:48:07,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 00:48:07,048 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:48:07,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:48:07,048 INFO L85 PathProgramCache]: Analyzing trace with hash -765581942, now seen corresponding path program 1 times [2021-11-21 00:48:07,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:48:07,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464265172] [2021-11-21 00:48:07,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:48:07,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:48:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:48:07,093 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-21 00:48:07,094 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:48:07,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464265172] [2021-11-21 00:48:07,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464265172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:48:07,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:48:07,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:48:07,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884774139] [2021-11-21 00:48:07,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:48:07,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:48:07,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:48:07,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:48:07,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:48:07,096 INFO L87 Difference]: Start difference. First operand 303 states and 414 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-21 00:48:07,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:48:07,110 INFO L93 Difference]: Finished difference Result 540 states and 740 transitions. [2021-11-21 00:48:07,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:48:07,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 64 [2021-11-21 00:48:07,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:48:07,113 INFO L225 Difference]: With dead ends: 540 [2021-11-21 00:48:07,113 INFO L226 Difference]: Without dead ends: 303 [2021-11-21 00:48:07,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:48:07,114 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:48:07,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:48:07,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-21 00:48:07,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2021-11-21 00:48:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 295 states have (on average 1.3966101694915254) internal successors, (412), 302 states have internal predecessors, (412), 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) [2021-11-21 00:48:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 412 transitions. [2021-11-21 00:48:07,126 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 412 transitions. Word has length 64 [2021-11-21 00:48:07,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:48:07,126 INFO L470 AbstractCegarLoop]: Abstraction has 303 states and 412 transitions. [2021-11-21 00:48:07,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-21 00:48:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 412 transitions. [2021-11-21 00:48:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:48:07,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:48:07,128 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:48:07,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 00:48:07,128 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-11-21 00:48:07,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:48:07,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1283217394, now seen corresponding path program 1 times [2021-11-21 00:48:07,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:48:07,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532777801] [2021-11-21 00:48:07,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:48:07,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:48:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:48:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 00:48:07,186 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:48:07,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532777801] [2021-11-21 00:48:07,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532777801] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:48:07,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598978395] [2021-11-21 00:48:07,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:48:07,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:48:07,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:48:07,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:48:07,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:48:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:48:07,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 00:48:07,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:48:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 00:48:07,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:48:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 00:48:07,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598978395] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:48:07,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [712799791] [2021-11-21 00:48:07,506 INFO L159 IcfgInterpreter]: Started Sifa with 51 locations of interest [2021-11-21 00:48:07,507 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:48:07,507 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:48:07,507 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:48:07,507 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:48:41,409 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:48:47,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [712799791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:48:47,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:48:47,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [4, 3, 3] total 52 [2021-11-21 00:48:47,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141834861] [2021-11-21 00:48:47,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:48:47,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-21 00:48:47,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:48:47,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-21 00:48:47,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=494, Invalid=2262, Unknown=0, NotChecked=0, Total=2756 [2021-11-21 00:48:47,588 INFO L87 Difference]: Start difference. First operand 303 states and 412 transitions. Second operand has 48 states, 47 states have (on average 1.148936170212766) internal successors, (54), 47 states have internal predecessors, (54), 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) [2021-11-21 00:48:57,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:48:57,488 INFO L93 Difference]: Finished difference Result 403 states and 552 transitions. [2021-11-21 00:48:57,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-21 00:48:57,489 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 1.148936170212766) internal successors, (54), 47 states have internal predecessors, (54), 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 66 [2021-11-21 00:48:57,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:48:57,489 INFO L225 Difference]: With dead ends: 403 [2021-11-21 00:48:57,489 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 00:48:57,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2347 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=991, Invalid=6319, Unknown=0, NotChecked=0, Total=7310 [2021-11-21 00:48:57,494 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 288 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 2553 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 2757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:48:57,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 488 Invalid, 2757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 2553 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 00:48:57,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 00:48:57,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 00:48:57,495 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) [2021-11-21 00:48:57,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 00:48:57,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2021-11-21 00:48:57,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:48:57,496 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 00:48:57,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 1.148936170212766) internal successors, (54), 47 states have internal predecessors, (54), 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) [2021-11-21 00:48:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 00:48:57,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 00:48:57,499 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2021-11-21 00:48:57,499 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2021-11-21 00:48:57,499 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2021-11-21 00:48:57,499 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2021-11-21 00:48:57,500 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2021-11-21 00:48:57,500 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2021-11-21 00:48:57,500 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2021-11-21 00:48:57,500 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2021-11-21 00:48:57,500 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2021-11-21 00:48:57,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2021-11-21 00:48:57,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2021-11-21 00:48:57,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2021-11-21 00:48:57,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2021-11-21 00:48:57,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2021-11-21 00:48:57,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2021-11-21 00:48:57,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2021-11-21 00:48:57,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2021-11-21 00:48:57,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2021-11-21 00:48:57,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2021-11-21 00:48:57,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2021-11-21 00:48:57,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2021-11-21 00:48:57,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2021-11-21 00:48:57,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2021-11-21 00:48:57,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2021-11-21 00:48:57,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2021-11-21 00:48:57,504 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2021-11-21 00:48:57,504 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2021-11-21 00:48:57,504 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2021-11-21 00:48:57,504 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2021-11-21 00:48:57,504 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2021-11-21 00:48:57,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2021-11-21 00:48:57,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2021-11-21 00:48:57,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2021-11-21 00:48:57,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2021-11-21 00:48:57,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2021-11-21 00:48:57,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2021-11-21 00:48:57,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2021-11-21 00:48:57,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2021-11-21 00:48:57,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2021-11-21 00:48:57,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2021-11-21 00:48:57,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2021-11-21 00:48:57,507 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2021-11-21 00:48:57,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:48:57,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-21 00:48:57,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-21 00:48:59,170 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-21 00:48:59,170 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 513) no Hoare annotation was computed. [2021-11-21 00:48:59,171 INFO L858 garLoopResultBuilder]: For program point L465(lines 465 564) no Hoare annotation was computed. [2021-11-21 00:48:59,172 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 443) no Hoare annotation was computed. [2021-11-21 00:48:59,172 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2021-11-21 00:48:59,172 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 381) no Hoare annotation was computed. [2021-11-21 00:48:59,172 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 311) no Hoare annotation was computed. [2021-11-21 00:48:59,172 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 179) no Hoare annotation was computed. [2021-11-21 00:48:59,174 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 543) no Hoare annotation was computed. [2021-11-21 00:48:59,174 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2021-11-21 00:48:59,174 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 481) no Hoare annotation was computed. [2021-11-21 00:48:59,174 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 411) no Hoare annotation was computed. [2021-11-21 00:48:59,174 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 279) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L136-1(line 136) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L136-2(lines 136 138) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 511) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 379) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L236-2(lines 236 238) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 106) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 479) no Hoare annotation was computed. [2021-11-21 00:48:59,175 INFO L858 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2021-11-21 00:48:59,176 INFO L858 garLoopResultBuilder]: For program point L336-1(line 336) no Hoare annotation was computed. [2021-11-21 00:48:59,176 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 338) no Hoare annotation was computed. [2021-11-21 00:48:59,176 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 206) no Hoare annotation was computed. [2021-11-21 00:48:59,176 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 74) no Hoare annotation was computed. [2021-11-21 00:48:59,176 INFO L858 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2021-11-21 00:48:59,176 INFO L858 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2021-11-21 00:48:59,176 INFO L858 garLoopResultBuilder]: For program point L436-2(lines 436 438) no Hoare annotation was computed. [2021-11-21 00:48:59,176 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 306) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 174) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 26 567) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point L536-1(line 536) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point L536-2(lines 536 538) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 406) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 274) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 506) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 374) no Hoare annotation was computed. [2021-11-21 00:48:59,177 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2021-11-21 00:48:59,178 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2021-11-21 00:48:59,178 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-21 00:48:59,178 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-11-21 00:48:59,178 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2021-11-21 00:48:59,178 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2021-11-21 00:48:59,178 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2021-11-21 00:48:59,178 INFO L858 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-11-21 00:48:59,178 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-11-21 00:48:59,178 INFO L858 garLoopResultBuilder]: For program point L78-2(line 78) no Hoare annotation was computed. [2021-11-21 00:48:59,178 INFO L858 garLoopResultBuilder]: For program point L78-3(line 78) no Hoare annotation was computed. [2021-11-21 00:48:59,179 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2021-11-21 00:48:59,179 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 61) no Hoare annotation was computed. [2021-11-21 00:48:59,179 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-21 00:48:59,179 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 161) no Hoare annotation was computed. [2021-11-21 00:48:59,179 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2021-11-21 00:48:59,179 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 261) no Hoare annotation was computed. [2021-11-21 00:48:59,179 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-21 00:48:59,179 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 129) no Hoare annotation was computed. [2021-11-21 00:48:59,182 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 59) no Hoare annotation was computed. [2021-11-21 00:48:59,182 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2021-11-21 00:48:59,183 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2021-11-21 00:48:59,183 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 361) no Hoare annotation was computed. [2021-11-21 00:48:59,190 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 229) no Hoare annotation was computed. [2021-11-21 00:48:59,190 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2021-11-21 00:48:59,190 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 97) no Hoare annotation was computed. [2021-11-21 00:48:59,190 INFO L861 garLoopResultBuilder]: At program point L16(lines 16 572) the Hoare annotation is: true [2021-11-21 00:48:59,190 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 461) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 329) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 259) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 197) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 127) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L546(lines 546 561) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 429) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 359) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 297) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 227) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 529) no Hoare annotation was computed. [2021-11-21 00:48:59,191 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 459) no Hoare annotation was computed. [2021-11-21 00:48:59,192 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 397) no Hoare annotation was computed. [2021-11-21 00:48:59,192 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 327) no Hoare annotation was computed. [2021-11-21 00:48:59,192 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2021-11-21 00:48:59,192 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 195) no Hoare annotation was computed. [2021-11-21 00:48:59,192 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2021-11-21 00:48:59,192 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 54) no Hoare annotation was computed. [2021-11-21 00:48:59,192 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 559) no Hoare annotation was computed. [2021-11-21 00:48:59,197 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 497) no Hoare annotation was computed. [2021-11-21 00:48:59,197 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 427) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 295) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L152-1(line 152) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L152-2(lines 152 154) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 527) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L384(lines 384 395) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L252(line 252) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L252-2(lines 252 254) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 122) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2021-11-21 00:48:59,198 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 495) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L352(line 352) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L352-1(line 352) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 354) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 222) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 88 90) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L452-2(lines 452 454) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 322) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L188-1(line 188) no Hoare annotation was computed. [2021-11-21 00:48:59,199 INFO L858 garLoopResultBuilder]: For program point L188-2(lines 188 190) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point L552-2(line 552) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point L552-3(line 552) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 422) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point L552-4(lines 552 554) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point L288(line 288) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point L288-2(line 288) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point L288-3(line 288) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point L288-4(lines 288 290) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L861 garLoopResultBuilder]: At program point L553(lines 16 572) the Hoare annotation is: true [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2021-11-21 00:48:59,200 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 522) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point L388(line 388) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 390) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 490) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L854 garLoopResultBuilder]: At program point L26-2(lines 26 567) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (select |#length| 3) 12) (= 6 ~m_recv_ack_1_1~0) (= 2 ~m_msg_2~0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= ~m_msg_1_1~0 4) (= 7 ~m_recv_ack_1_2~0) (= 16 (select |#length| 2)) (= ~m_msg_1_2~0 5) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= ~m_Protocol~0 1) (= |ULTIMATE.start_main_~q~0#1| 0) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= 3 ~m_recv_ack_2~0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 567) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2021-11-21 00:48:59,201 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L426-1(line 426) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L426-2(line 426) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L426-3(line 426) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 145) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 245) no Hoare annotation was computed. [2021-11-21 00:48:59,202 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 113) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 164) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 345) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 213) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 264) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 143) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 445) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 313) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 364) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 181) no Hoare annotation was computed. [2021-11-21 00:48:59,203 INFO L858 garLoopResultBuilder]: For program point L100(lines 100 111) no Hoare annotation was computed. [2021-11-21 00:48:59,204 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2021-11-21 00:48:59,204 INFO L854 garLoopResultBuilder]: At program point L563(lines 26 567) the Hoare annotation is: (let ((.cse42 (<= |ULTIMATE.start_main_~this_expect~0#1| 16)) (.cse0 (<= 6 ~m_recv_ack_1_1~0)) (.cse1 (<= 0 (+ |ULTIMATE.start_main_~P6~0#1| 2147483648))) (.cse2 (<= |ULTIMATE.start_main_~this_expect~0#1| 2147483648)) (.cse3 (<= 0 (+ |ULTIMATE.start_main_~P5~0#1| 2147483648))) (.cse4 (<= 0 |#NULL.base|)) (.cse5 (<= 0 (+ 2147483647 |ULTIMATE.start_main_~this_expect~0#1|))) (.cse6 (<= 7 ~m_recv_ack_1_2~0)) (.cse7 (<= |ULTIMATE.start_main_~P3~0#1| 2147483647)) (.cse8 (<= |ULTIMATE.start_main_~P2~0#1| 2147483647)) (.cse9 (<= 1 |ULTIMATE.start_main_~method_id~0#1|)) (.cse10 (<= ~m_msg_2~0 2)) (.cse11 (<= 0 (+ |ULTIMATE.start_main_~P9~0#1| 2147483648))) (.cse12 (<= 4 ~m_msg_1_1~0)) (.cse13 (<= 5 ~m_msg_1_2~0)) (.cse14 (<= |#NULL.offset| 0)) (.cse15 (<= 0 (+ |ULTIMATE.start_main_~P1~0#1| 2147483648))) (.cse16 (<= ~m_msg_1_2~0 5)) (.cse17 (<= |ULTIMATE.start_main_~P9~0#1| 2147483647)) (.cse18 (<= 0 (+ |ULTIMATE.start_main_~P2~0#1| 2147483648))) (.cse19 (<= |ULTIMATE.start_main_~P4~0#1| 2147483647)) (.cse20 (<= ~m_recv_ack_1_1~0 6)) (.cse21 (<= |ULTIMATE.start_main_~P5~0#1| 2147483647)) (.cse22 (<= 0 (+ |ULTIMATE.start_main_~P7~0#1| 2147483648))) (.cse23 (<= ~m_Protocol~0 1)) (.cse24 (<= |#NULL.base| 0)) (.cse25 (<= 0 (+ |ULTIMATE.start_main_~P3~0#1| 2147483648))) (.cse26 (<= 2 ~m_msg_2~0)) (.cse27 (<= 0 (+ |ULTIMATE.start_main_~P4~0#1| 2147483648))) (.cse28 (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|)) (.cse29 (<= ~m_recv_ack_1_2~0 7)) (.cse30 (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (.cse31 (<= 3 ~m_recv_ack_2~0)) (.cse32 (<= 0 |#NULL.offset|)) (.cse33 (<= 1 ~m_Protocol~0)) (.cse34 (<= |ULTIMATE.start_main_~P7~0#1| 2147483647)) (.cse35 (<= 0 |#StackHeapBarrier|)) (.cse36 (<= ~m_recv_ack_2~0 3)) (.cse37 (<= 0 (+ |ULTIMATE.start_main_~P8~0#1| 2147483648))) (.cse38 (<= |ULTIMATE.start_main_~P1~0#1| 2147483647)) (.cse39 (<= |ULTIMATE.start_main_~P6~0#1| 2147483647)) (.cse40 (<= |ULTIMATE.start_main_~P8~0#1| 2147483647)) (.cse41 (<= ~m_msg_1_1~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 (= 5 |ULTIMATE.start_main_~q~0#1|) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse42 .cse18 .cse19 .cse20 .cse21 (= |ULTIMATE.start_main_~q~0#1| 4) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41) (let ((.cse43 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (select |#length| 3) 12) (= 6 ~m_recv_ack_1_1~0) (= 2 ~m_msg_2~0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= ~m_msg_1_1~0 4) (= 7 ~m_recv_ack_1_2~0) (= 16 (select |#length| 2)) (= ~m_msg_1_2~0 5) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= ~m_Protocol~0 1) (= |ULTIMATE.start_main_~q~0#1| 0) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= 3 ~m_recv_ack_2~0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse43 0) 48) (= (select .cse43 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (= |ULTIMATE.start_main_~q~0#1| 1) .cse42 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (= 3 |ULTIMATE.start_main_~q~0#1|) .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41))) [2021-11-21 00:48:59,204 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 545) no Hoare annotation was computed. [2021-11-21 00:48:59,204 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 413) no Hoare annotation was computed. [2021-11-21 00:48:59,204 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 464) no Hoare annotation was computed. [2021-11-21 00:48:59,204 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 343) no Hoare annotation was computed. [2021-11-21 00:48:59,204 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 281) no Hoare annotation was computed. [2021-11-21 00:48:59,204 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 211) no Hoare annotation was computed. [2021-11-21 00:48:59,204 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 79) no Hoare annotation was computed. [2021-11-21 00:48:59,207 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:48:59,208 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 00:48:59,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:48:59 BoogieIcfgContainer [2021-11-21 00:48:59,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 00:48:59,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 00:48:59,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 00:48:59,273 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 00:48:59,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:47:15" (3/4) ... [2021-11-21 00:48:59,276 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 00:48:59,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-21 00:48:59,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-21 00:48:59,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 00:48:59,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 00:48:59,321 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 00:48:59,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 00:48:59,322 INFO L158 Benchmark]: Toolchain (without parser) took 105470.93ms. Allocated memory was 109.1MB in the beginning and 232.8MB in the end (delta: 123.7MB). Free memory was 76.2MB in the beginning and 71.5MB in the end (delta: 4.7MB). Peak memory consumption was 127.6MB. Max. memory is 16.1GB. [2021-11-21 00:48:59,322 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:48:59,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.20ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 76.2MB in the beginning and 97.6MB in the end (delta: -21.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 00:48:59,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.29ms. Allocated memory is still 132.1MB. Free memory was 97.6MB in the beginning and 92.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 00:48:59,323 INFO L158 Benchmark]: Boogie Preprocessor took 72.20ms. Allocated memory is still 132.1MB. Free memory was 92.8MB in the beginning and 90.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:48:59,323 INFO L158 Benchmark]: RCFGBuilder took 1023.30ms. Allocated memory is still 132.1MB. Free memory was 90.1MB in the beginning and 101.2MB in the end (delta: -11.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2021-11-21 00:48:59,324 INFO L158 Benchmark]: TraceAbstraction took 103703.21ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 100.5MB in the beginning and 74.7MB in the end (delta: 25.8MB). Peak memory consumption was 142.2MB. Max. memory is 16.1GB. [2021-11-21 00:48:59,324 INFO L158 Benchmark]: Witness Printer took 48.20ms. Allocated memory is still 232.8MB. Free memory was 73.6MB in the beginning and 71.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:48:59,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.20ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 76.2MB in the beginning and 97.6MB in the end (delta: -21.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.29ms. Allocated memory is still 132.1MB. Free memory was 97.6MB in the beginning and 92.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.20ms. Allocated memory is still 132.1MB. Free memory was 92.8MB in the beginning and 90.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1023.30ms. Allocated memory is still 132.1MB. Free memory was 90.1MB in the beginning and 101.2MB in the end (delta: -11.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * TraceAbstraction took 103703.21ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 100.5MB in the beginning and 74.7MB in the end (delta: 25.8MB). Peak memory consumption was 142.2MB. Max. memory is 16.1GB. * Witness Printer took 48.20ms. Allocated memory is still 232.8MB. Free memory was 73.6MB in the beginning and 71.5MB 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: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: 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, 192 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 103.6s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1455 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1455 mSDsluCounter, 4664 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2709 mSDsCounter, 446 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5017 IncrementalHoareTripleChecker+Invalid, 5463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 446 mSolverCounterUnsat, 1963 mSDtfsCounter, 5017 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 552 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3052 ImplicationChecksByTransitivity, 21.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=4, InterpolantAutomatonStates: 111, 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, 13 MinimizatonAttempts, 137 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 19 NumberOfFragments, 781 HoareAnnotationTreeSize, 4 FomulaSimplifications, 538 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3215 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 773 ConstructedInterpolants, 0 QuantifiedInterpolants, 1951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1102 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 240/314 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: OVERALL_TIME: 70.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 145, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 499, TOOLS_POST_TIME: 69.7s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 359, TOOLS_QUANTIFIERELIM_TIME: 69.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 1.9s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 695, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 44, DOMAIN_JOIN_TIME: 0.7s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 26, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 145, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME: 45.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 45.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 26, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 4057, DAG_COMPRESSION_RETAINED_NODES: 389, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((((((((((((((((((((this_expect == 0 && unknown-#length-unknown[3] == 12) && 6 == m_recv_ack_1_1) && 2 == m_msg_2) && this_buffer_empty == 0) && m_msg_1_1 == 4) && 7 == m_recv_ack_1_2) && 16 == unknown-#length-unknown[2]) && m_msg_1_2 == 5) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && m_Protocol == 1) && q == 0) && \valid[1] == 1) && \valid[0] == 0) && 3 == m_recv_ack_2) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((6 <= m_recv_ack_1_1 && 0 <= P6 + 2147483648) && this_expect <= 2147483648) && 0 <= P5 + 2147483648) && 0 <= #NULL) && 0 <= 2147483647 + this_expect) && 7 <= m_recv_ack_1_2) && P3 <= 2147483647) && P2 <= 2147483647) && 1 <= method_id) && m_msg_2 <= 2) && 0 <= P9 + 2147483648) && 4 <= m_msg_1_1) && 5 <= m_msg_1_2) && #NULL <= 0) && 0 <= P1 + 2147483648) && m_msg_1_2 <= 5) && P9 <= 2147483647) && 0 <= P2 + 2147483648) && P4 <= 2147483647) && m_recv_ack_1_1 <= 6) && P5 <= 2147483647) && 5 == q) && 0 <= P7 + 2147483648) && m_Protocol <= 1) && #NULL <= 0) && 0 <= P3 + 2147483648) && 2 <= m_msg_2) && 0 <= P4 + 2147483648) && 0 <= this_buffer_empty) && m_recv_ack_1_2 <= 7) && this_buffer_empty <= 1) && 3 <= m_recv_ack_2) && 0 <= #NULL) && 1 <= m_Protocol) && P7 <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && m_recv_ack_2 <= 3) && 0 <= P8 + 2147483648) && P1 <= 2147483647) && P6 <= 2147483647) && P8 <= 2147483647) && m_msg_1_1 <= 4) || ((((((((((((((((((((((((((((((((((((((((((6 <= m_recv_ack_1_1 && 0 <= P6 + 2147483648) && 0 <= P5 + 2147483648) && 0 <= #NULL) && 0 <= 2147483647 + this_expect) && 7 <= m_recv_ack_1_2) && P3 <= 2147483647) && P2 <= 2147483647) && 1 <= method_id) && m_msg_2 <= 2) && 0 <= P9 + 2147483648) && 4 <= m_msg_1_1) && 5 <= m_msg_1_2) && #NULL <= 0) && 0 <= P1 + 2147483648) && m_msg_1_2 <= 5) && P9 <= 2147483647) && this_expect <= 16) && 0 <= P2 + 2147483648) && P4 <= 2147483647) && m_recv_ack_1_1 <= 6) && P5 <= 2147483647) && q == 4) && 0 <= P7 + 2147483648) && m_Protocol <= 1) && #NULL <= 0) && 0 <= P3 + 2147483648) && 2 <= m_msg_2) && 0 <= P4 + 2147483648) && 0 <= this_buffer_empty) && m_recv_ack_1_2 <= 7) && this_buffer_empty <= 1) && 3 <= m_recv_ack_2) && 0 <= #NULL) && 1 <= m_Protocol) && P7 <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && m_recv_ack_2 <= 3) && 0 <= P8 + 2147483648) && P1 <= 2147483647) && P6 <= 2147483647) && P8 <= 2147483647) && m_msg_1_1 <= 4)) || (((((((((((((((((((((this_expect == 0 && unknown-#length-unknown[3] == 12) && 6 == m_recv_ack_1_1) && 2 == m_msg_2) && this_buffer_empty == 0) && m_msg_1_1 == 4) && 7 == m_recv_ack_1_2) && 16 == unknown-#length-unknown[2]) && m_msg_1_2 == 5) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && m_Protocol == 1) && q == 0) && \valid[1] == 1) && \valid[0] == 0) && 3 == m_recv_ack_2) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((((((((((((((((((((((((((6 <= m_recv_ack_1_1 && 0 <= P6 + 2147483648) && 0 <= P5 + 2147483648) && 0 <= #NULL) && 0 <= 2147483647 + this_expect) && 7 <= m_recv_ack_1_2) && P3 <= 2147483647) && P2 <= 2147483647) && 1 <= method_id) && m_msg_2 <= 2) && 0 <= P9 + 2147483648) && 4 <= m_msg_1_1) && 5 <= m_msg_1_2) && #NULL <= 0) && 0 <= P1 + 2147483648) && m_msg_1_2 <= 5) && P9 <= 2147483647) && q == 1) && this_expect <= 16) && 0 <= P2 + 2147483648) && P4 <= 2147483647) && m_recv_ack_1_1 <= 6) && P5 <= 2147483647) && 0 <= P7 + 2147483648) && m_Protocol <= 1) && #NULL <= 0) && 0 <= P3 + 2147483648) && 2 <= m_msg_2) && 0 <= P4 + 2147483648) && 0 <= this_buffer_empty) && m_recv_ack_1_2 <= 7) && this_buffer_empty <= 1) && 3 <= m_recv_ack_2) && 0 <= #NULL) && 1 <= m_Protocol) && P7 <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && m_recv_ack_2 <= 3) && 0 <= P8 + 2147483648) && P1 <= 2147483647) && P6 <= 2147483647) && P8 <= 2147483647) && m_msg_1_1 <= 4)) || ((((((((((((((((((((((((((((((((((((((((((6 <= m_recv_ack_1_1 && 0 <= P6 + 2147483648) && this_expect <= 2147483648) && 0 <= P5 + 2147483648) && 0 <= #NULL) && 0 <= 2147483647 + this_expect) && 7 <= m_recv_ack_1_2) && P3 <= 2147483647) && P2 <= 2147483647) && 1 <= method_id) && m_msg_2 <= 2) && 0 <= P9 + 2147483648) && 4 <= m_msg_1_1) && 5 <= m_msg_1_2) && #NULL <= 0) && 3 == q) && 0 <= P1 + 2147483648) && m_msg_1_2 <= 5) && P9 <= 2147483647) && 0 <= P2 + 2147483648) && P4 <= 2147483647) && m_recv_ack_1_1 <= 6) && P5 <= 2147483647) && 0 <= P7 + 2147483648) && m_Protocol <= 1) && #NULL <= 0) && 0 <= P3 + 2147483648) && 2 <= m_msg_2) && 0 <= P4 + 2147483648) && 0 <= this_buffer_empty) && m_recv_ack_1_2 <= 7) && this_buffer_empty <= 1) && 3 <= m_recv_ack_2) && 0 <= #NULL) && 1 <= m_Protocol) && P7 <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && m_recv_ack_2 <= 3) && 0 <= P8 + 2147483648) && P1 <= 2147483647) && P6 <= 2147483647) && P8 <= 2147483647) && m_msg_1_1 <= 4) RESULT: Ultimate proved your program to be correct! [2021-11-21 00:48:59,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38dc654a-c1c2-4db4-b786-eb8407cacd2a/bin/utaipan-TEXQjIfE4P/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