./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS --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 f57f8b833105028fdf95b78a3cf338388755f00064f1be1e7a158d1da7dbd5a2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:01:11,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:01:11,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:01:11,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:01:11,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:01:11,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:01:11,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:01:11,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:01:11,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:01:11,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:01:11,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:01:11,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:01:11,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:01:11,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:01:11,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:01:11,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:01:11,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:01:11,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:01:11,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:01:11,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:01:11,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:01:11,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:01:11,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:01:11,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:01:11,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:01:11,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:01:11,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:01:11,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:01:11,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:01:11,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:01:11,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:01:11,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:01:11,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:01:11,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:01:11,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:01:11,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:01:11,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:01:11,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:01:11,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:01:11,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:01:11,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:01:11,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:01:11,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:01:11,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:01:11,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:01:11,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:01:11,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:01:11,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:01:11,395 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:01:11,395 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:01:11,395 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:01:11,395 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:01:11,396 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:01:11,397 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:01:11,397 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:01:11,397 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:01:11,397 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:01:11,398 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:01:11,398 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:01:11,398 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:01:11,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:01:11,399 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:01:11,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:01:11,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:01:11,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:01:11,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:01:11,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:01:11,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:01:11,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:01:11,401 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:01:11,401 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:01:11,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:01:11,402 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:01:11,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:01:11,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:01:11,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:01:11,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:01:11,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:01:11,403 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:01:11,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:01:11,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:01:11,404 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:01:11,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:01:11,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:01:11,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:01:11,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f57f8b833105028fdf95b78a3cf338388755f00064f1be1e7a158d1da7dbd5a2 [2022-11-19 08:01:11,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:01:11,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:01:11,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:01:11,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:01:11,717 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:01:11,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c [2022-11-19 08:01:11,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/data/1a855ddbb/c88dd0bbccfc4638bec1fc3ec49db8c2/FLAG6a2a0863f [2022-11-19 08:01:12,305 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:01:12,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c [2022-11-19 08:01:12,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/data/1a855ddbb/c88dd0bbccfc4638bec1fc3ec49db8c2/FLAG6a2a0863f [2022-11-19 08:01:12,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/data/1a855ddbb/c88dd0bbccfc4638bec1fc3ec49db8c2 [2022-11-19 08:01:12,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:01:12,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:01:12,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:01:12,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:01:12,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:01:12,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:12,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6123905e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12, skipping insertion in model container [2022-11-19 08:01:12,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:12,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:01:12,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:01:12,939 WARN L234 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_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c[2717,2730] [2022-11-19 08:01:12,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:01:12,951 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:01:12,976 WARN L234 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_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c[2717,2730] [2022-11-19 08:01:12,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:01:12,992 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:01:12,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12 WrapperNode [2022-11-19 08:01:12,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:01:12,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:01:12,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:01:12,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:01:13,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,032 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 117 [2022-11-19 08:01:13,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:01:13,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:01:13,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:01:13,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:01:13,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:01:13,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:01:13,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:01:13,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:01:13,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:13,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:01:13,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:13,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:01:13,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:01:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:01:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:01:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:01:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:01:13,273 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:01:13,276 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:01:13,416 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:01:13,475 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:01:13,476 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:01:13,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:13 BoogieIcfgContainer [2022-11-19 08:01:13,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:01:13,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:01:13,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:01:13,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:01:13,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:12" (1/3) ... [2022-11-19 08:01:13,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfa8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:13, skipping insertion in model container [2022-11-19 08:01:13,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12" (2/3) ... [2022-11-19 08:01:13,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfa8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:13, skipping insertion in model container [2022-11-19 08:01:13,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:13" (3/3) ... [2022-11-19 08:01:13,501 INFO L112 eAbstractionObserver]: Analyzing ICFG zonotope_3.c.p+cfa-reducer.c [2022-11-19 08:01:13,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:01:13,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 08:01:13,619 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:01:13,641 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@32e00ae1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:01:13,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 08:01:13,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:13,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 08:01:13,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:13,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 08:01:13,659 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-19 08:01:13,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:13,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1884297322, now seen corresponding path program 1 times [2022-11-19 08:01:13,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:13,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293073876] [2022-11-19 08:01:13,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:13,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:13,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:01:13,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:13,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293073876] [2022-11-19 08:01:13,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293073876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:13,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:01:13,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 08:01:13,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122355770] [2022-11-19 08:01:13,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:14,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:01:14,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:14,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:01:14,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:01:14,050 INFO L87 Difference]: Start difference. First operand has 16 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:14,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:14,138 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2022-11-19 08:01:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:01:14,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 08:01:14,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:14,184 INFO L225 Difference]: With dead ends: 33 [2022-11-19 08:01:14,187 INFO L226 Difference]: Without dead ends: 17 [2022-11-19 08:01:14,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:01:14,194 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:14,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 27 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:01:14,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-19 08:01:14,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-19 08:01:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:14,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-19 08:01:14,248 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 6 [2022-11-19 08:01:14,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:14,249 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-19 08:01:14,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-19 08:01:14,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 08:01:14,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:14,253 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2022-11-19 08:01:14,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:01:14,254 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-19 08:01:14,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:14,255 INFO L85 PathProgramCache]: Analyzing trace with hash -433235411, now seen corresponding path program 1 times [2022-11-19 08:01:14,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:14,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992271931] [2022-11-19 08:01:14,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:14,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:01:14,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:14,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992271931] [2022-11-19 08:01:14,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992271931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:14,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:01:14,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:01:14,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2896323] [2022-11-19 08:01:14,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:14,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:01:14,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:14,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:01:14,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:01:14,408 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:14,433 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2022-11-19 08:01:14,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:01:14,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-19 08:01:14,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:14,435 INFO L225 Difference]: With dead ends: 17 [2022-11-19 08:01:14,435 INFO L226 Difference]: Without dead ends: 16 [2022-11-19 08:01:14,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:01:14,437 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:14,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:01:14,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-19 08:01:14,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-19 08:01:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2022-11-19 08:01:14,444 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 12 [2022-11-19 08:01:14,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:14,444 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-11-19 08:01:14,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-11-19 08:01:14,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 08:01:14,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:14,446 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1] [2022-11-19 08:01:14,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:01:14,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-19 08:01:14,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:14,448 INFO L85 PathProgramCache]: Analyzing trace with hash -545395803, now seen corresponding path program 1 times [2022-11-19 08:01:14,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:14,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758984573] [2022-11-19 08:01:14,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:14,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:01:14,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:14,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758984573] [2022-11-19 08:01:14,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758984573] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:01:14,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599138239] [2022-11-19 08:01:14,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:14,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:14,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:14,550 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:01:14,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:01:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:14,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:01:14,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:01:14,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:01:14,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599138239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:14,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:01:14,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2022-11-19 08:01:14,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291634957] [2022-11-19 08:01:14,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:14,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:01:14,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:14,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:01:14,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:01:14,746 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:14,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:14,779 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2022-11-19 08:01:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:01:14,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 08:01:14,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:14,781 INFO L225 Difference]: With dead ends: 16 [2022-11-19 08:01:14,781 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:01:14,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:01:14,786 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:14,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:01:14,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:01:14,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:01:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:14,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:01:14,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-19 08:01:14,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:14,791 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:01:14,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:14,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:01:14,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:01:14,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-19 08:01:14,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-19 08:01:14,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:01:15,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:15,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:01:15,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 103) no Hoare annotation was computed. [2022-11-19 08:01:15,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:01:15,059 INFO L902 garLoopResultBuilder]: At program point L157(lines 133 158) the Hoare annotation is: true [2022-11-19 08:01:15,060 INFO L895 garLoopResultBuilder]: At program point L124(lines 65 125) the Hoare annotation is: (or (and (<= 2 |ULTIMATE.start_main_~main__i~0#1|) (<= |ULTIMATE.start_main_~main__i~0#1| 100000)) (= |ULTIMATE.start_main_~main__i~0#1| 1)) [2022-11-19 08:01:15,060 INFO L902 garLoopResultBuilder]: At program point L149(lines 22 169) the Hoare annotation is: true [2022-11-19 08:01:15,060 INFO L895 garLoopResultBuilder]: At program point L104(lines 52 165) the Hoare annotation is: (or (<= 2 |ULTIMATE.start_main_~main__i~0#1|) (= |ULTIMATE.start_main_~main__i~0#1| 1)) [2022-11-19 08:01:15,061 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 158) no Hoare annotation was computed. [2022-11-19 08:01:15,061 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 120) no Hoare annotation was computed. [2022-11-19 08:01:15,061 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 163) no Hoare annotation was computed. [2022-11-19 08:01:15,061 INFO L902 garLoopResultBuilder]: At program point L162(lines 131 163) the Hoare annotation is: true [2022-11-19 08:01:15,061 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 125) no Hoare annotation was computed. [2022-11-19 08:01:15,062 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 103) no Hoare annotation was computed. [2022-11-19 08:01:15,062 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:01:15,062 INFO L895 garLoopResultBuilder]: At program point L119(lines 67 120) the Hoare annotation is: (or (and (<= 2 |ULTIMATE.start_main_~main__i~0#1|) (<= |ULTIMATE.start_main_~main__i~0#1| 100000)) (= |ULTIMATE.start_main_~main__i~0#1| 1)) [2022-11-19 08:01:15,063 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-11-19 08:01:15,063 INFO L899 garLoopResultBuilder]: For program point L103-1(line 103) no Hoare annotation was computed. [2022-11-19 08:01:15,067 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-19 08:01:15,069 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:01:15,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:01:15 BoogieIcfgContainer [2022-11-19 08:01:15,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:01:15,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:01:15,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:01:15,086 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:01:15,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:13" (3/4) ... [2022-11-19 08:01:15,090 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:01:15,101 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-19 08:01:15,101 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 08:01:15,102 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 08:01:15,102 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:01:15,145 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:01:15,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:01:15,146 INFO L158 Benchmark]: Toolchain (without parser) took 2490.94ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 98.9MB in the beginning and 146.4MB in the end (delta: -47.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-11-19 08:01:15,146 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:01:15,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.01ms. Allocated memory is still 132.1MB. Free memory was 98.6MB in the beginning and 105.2MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:01:15,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.10ms. Allocated memory is still 132.1MB. Free memory was 105.2MB in the beginning and 103.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:01:15,147 INFO L158 Benchmark]: Boogie Preprocessor took 22.37ms. Allocated memory is still 132.1MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:01:15,148 INFO L158 Benchmark]: RCFGBuilder took 422.79ms. Allocated memory is still 132.1MB. Free memory was 102.2MB in the beginning and 89.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 08:01:15,148 INFO L158 Benchmark]: TraceAbstraction took 1604.89ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 89.2MB in the beginning and 149.5MB in the end (delta: -60.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-11-19 08:01:15,149 INFO L158 Benchmark]: Witness Printer took 59.40ms. Allocated memory is still 203.4MB. Free memory was 149.5MB in the beginning and 146.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:01:15,151 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 83.9MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.01ms. Allocated memory is still 132.1MB. Free memory was 98.6MB in the beginning and 105.2MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.10ms. Allocated memory is still 132.1MB. Free memory was 105.2MB in the beginning and 103.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.37ms. Allocated memory is still 132.1MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.79ms. Allocated memory is still 132.1MB. Free memory was 102.2MB in the beginning and 89.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1604.89ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 89.2MB in the beginning and 149.5MB in the end (delta: -60.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Witness Printer took 59.40ms. Allocated memory is still 203.4MB. Free memory was 149.5MB in the beginning and 146.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 103]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 103]: 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 33 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=1, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 13 NumberOfFragments, 32 HoareAnnotationTreeSize, 6 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 11/17 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 2 <= main__i || main__i == 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (2 <= main__i && main__i <= 100000) || main__i == 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (2 <= main__i && main__i <= 100000) || main__i == 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 08:01:15,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4087f0e-2db7-4ff4-b7f5-8e2ea286dbcd/bin/utaipan-I9t0OCRTmS/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