./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9 --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 64bit --witnessprinter.graph.data.programhash 709cae5a16c0e3d92491465fbfa452b4380f7745c052f369242e4d0609ae5b0a --- 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-6b4ec56 [2022-11-20 20:07:42,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:07:42,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:07:42,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:07:42,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:07:42,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:07:42,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:07:42,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:07:42,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:07:42,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:07:42,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:07:42,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:07:42,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:07:42,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:07:42,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:07:42,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:07:42,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:07:42,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:07:42,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:07:42,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:07:42,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:07:42,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:07:42,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:07:42,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:07:42,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:07:42,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:07:42,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:07:42,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:07:42,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:07:42,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:07:42,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:07:42,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:07:42,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:07:42,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:07:42,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:07:42,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:07:42,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:07:42,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:07:42,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:07:42,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:07:42,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:07:42,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 20:07:42,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:07:42,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:07:42,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:07:42,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:07:42,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:07:42,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:07:42,335 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:07:42,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:07:42,335 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:07:42,336 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:07:42,336 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:07:42,336 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:07:42,336 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:07:42,337 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:07:42,337 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:07:42,337 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:07:42,338 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:07:42,338 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:07:42,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:07:42,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:07:42,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:07:42,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:07:42,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:07:42,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:07:42,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:07:42,341 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 20:07:42,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:07:42,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:07:42,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:07:42,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:07:42,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:07:42,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:07:42,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:07:42,343 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:07:42,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:07:42,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:07:42,344 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:07:42,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:07:42,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:07:42,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:07:42,345 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_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 709cae5a16c0e3d92491465fbfa452b4380f7745c052f369242e4d0609ae5b0a [2022-11-20 20:07:42,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:07:42,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:07:42,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:07:42,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:07:42,646 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:07:42,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_good.i [2022-11-20 20:07:45,618 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:07:45,961 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:07:45,961 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_good.i [2022-11-20 20:07:45,998 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/data/ae4927e54/7b885e0150344d3dbafad6c8e1f60f68/FLAGe1457a806 [2022-11-20 20:07:46,018 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/data/ae4927e54/7b885e0150344d3dbafad6c8e1f60f68 [2022-11-20 20:07:46,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:07:46,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:07:46,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:07:46,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:07:46,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:07:46,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:07:46" (1/1) ... [2022-11-20 20:07:46,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705d8e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:46, skipping insertion in model container [2022-11-20 20:07:46,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:07:46" (1/1) ... [2022-11-20 20:07:46,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:07:46,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:07:46,482 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 20:07:47,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:07:47,036 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:07:47,052 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 20:07:47,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:07:47,244 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:07:47,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47 WrapperNode [2022-11-20 20:07:47,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:07:47,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:07:47,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:07:47,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:07:47,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,361 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 113 [2022-11-20 20:07:47,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:07:47,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:07:47,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:07:47,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:07:47,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,395 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:07:47,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:07:47,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:07:47,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:07:47,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (1/1) ... [2022-11-20 20:07:47,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:07:47,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:07:47,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:07:47,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:07:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 20:07:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 20:07:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 20:07:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 20:07:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:07:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:07:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:07:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 20:07:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:07:47,735 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:07:47,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:07:48,000 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:07:48,155 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:07:48,155 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 20:07:48,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:07:48 BoogieIcfgContainer [2022-11-20 20:07:48,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:07:48,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:07:48,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:07:48,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:07:48,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:07:46" (1/3) ... [2022-11-20 20:07:48,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d931131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:07:48, skipping insertion in model container [2022-11-20 20:07:48,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:07:47" (2/3) ... [2022-11-20 20:07:48,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d931131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:07:48, skipping insertion in model container [2022-11-20 20:07:48,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:07:48" (3/3) ... [2022-11-20 20:07:48,165 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_22_good.i [2022-11-20 20:07:48,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:07:48,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-20 20:07:48,260 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:07:48,267 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;@554cc45f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:07:48,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-20 20:07:48,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 34 states have internal predecessors, (36), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 20:07:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 20:07:48,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:48,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:48,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 20:07:48,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:48,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1436987967, now seen corresponding path program 1 times [2022-11-20 20:07:48,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:48,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175988231] [2022-11-20 20:07:48,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:48,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:48,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:48,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175988231] [2022-11-20 20:07:48,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175988231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:48,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:48,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:07:48,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486010152] [2022-11-20 20:07:48,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:48,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:48,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:48,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:48,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:48,706 INFO L87 Difference]: Start difference. First operand has 39 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 34 states have internal predecessors, (36), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:48,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:48,778 INFO L93 Difference]: Finished difference Result 61 states and 82 transitions. [2022-11-20 20:07:48,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:48,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-20 20:07:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:48,789 INFO L225 Difference]: With dead ends: 61 [2022-11-20 20:07:48,790 INFO L226 Difference]: Without dead ends: 50 [2022-11-20 20:07:48,793 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 [2022-11-20 20:07:48,796 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 26 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:48,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 102 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:07:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-20 20:07:48,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 33. [2022-11-20 20:07:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.5) internal successors, (30), 29 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 20:07:48,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2022-11-20 20:07:48,851 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 9 [2022-11-20 20:07:48,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:48,852 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2022-11-20 20:07:48,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-11-20 20:07:48,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 20:07:48,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:48,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:48,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:07:48,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 20:07:48,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:48,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1596954084, now seen corresponding path program 1 times [2022-11-20 20:07:48,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:48,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490087748] [2022-11-20 20:07:48,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:48,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:49,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:49,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490087748] [2022-11-20 20:07:49,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490087748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:49,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:49,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:07:49,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836316711] [2022-11-20 20:07:49,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:49,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:49,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:49,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:49,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:49,008 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:49,071 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2022-11-20 20:07:49,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:49,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-20 20:07:49,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:49,074 INFO L225 Difference]: With dead ends: 50 [2022-11-20 20:07:49,075 INFO L226 Difference]: Without dead ends: 49 [2022-11-20 20:07:49,078 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 [2022-11-20 20:07:49,079 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 18 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:49,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 63 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:07:49,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-20 20:07:49,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 32. [2022-11-20 20:07:49,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.45) internal successors, (29), 28 states have internal predecessors, (29), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 20:07:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2022-11-20 20:07:49,087 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 10 [2022-11-20 20:07:49,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:49,088 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2022-11-20 20:07:49,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-11-20 20:07:49,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 20:07:49,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:49,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:49,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:07:49,090 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 20:07:49,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:49,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1868962659, now seen corresponding path program 1 times [2022-11-20 20:07:49,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:49,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237443167] [2022-11-20 20:07:49,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:49,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:49,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:49,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237443167] [2022-11-20 20:07:49,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237443167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:49,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:49,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:07:49,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449554366] [2022-11-20 20:07:49,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:49,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:49,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:49,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:49,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:49,180 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:49,221 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2022-11-20 20:07:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:49,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-20 20:07:49,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:49,222 INFO L225 Difference]: With dead ends: 39 [2022-11-20 20:07:49,223 INFO L226 Difference]: Without dead ends: 38 [2022-11-20 20:07:49,223 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 [2022-11-20 20:07:49,224 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 10 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:49,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 59 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:07:49,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-20 20:07:49,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 31. [2022-11-20 20:07:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.4) internal successors, (28), 27 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 20:07:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2022-11-20 20:07:49,232 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 12 [2022-11-20 20:07:49,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:49,232 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2022-11-20 20:07:49,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-11-20 20:07:49,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 20:07:49,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:49,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:49,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:07:49,234 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 20:07:49,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:49,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2103267679, now seen corresponding path program 1 times [2022-11-20 20:07:49,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:49,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646649967] [2022-11-20 20:07:49,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:49,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:49,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:49,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646649967] [2022-11-20 20:07:49,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646649967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:49,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:49,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:07:49,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052764800] [2022-11-20 20:07:49,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:49,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:49,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:49,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:49,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:49,395 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:49,426 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2022-11-20 20:07:49,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:49,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-20 20:07:49,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:49,427 INFO L225 Difference]: With dead ends: 38 [2022-11-20 20:07:49,427 INFO L226 Difference]: Without dead ends: 37 [2022-11-20 20:07:49,427 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 [2022-11-20 20:07:49,428 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 7 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:49,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 62 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:07:49,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-20 20:07:49,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2022-11-20 20:07:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.35) internal successors, (27), 26 states have internal predecessors, (27), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 20:07:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2022-11-20 20:07:49,435 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 13 [2022-11-20 20:07:49,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:49,435 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2022-11-20 20:07:49,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-11-20 20:07:49,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 20:07:49,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:49,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:49,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:07:49,437 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 20:07:49,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:49,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2123725190, now seen corresponding path program 1 times [2022-11-20 20:07:49,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:49,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426793206] [2022-11-20 20:07:49,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:49,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:49,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:49,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426793206] [2022-11-20 20:07:49,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426793206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:49,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:49,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:07:49,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383658136] [2022-11-20 20:07:49,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:49,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:49,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:49,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:49,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:49,509 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:49,536 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2022-11-20 20:07:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:49,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-20 20:07:49,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:49,537 INFO L225 Difference]: With dead ends: 41 [2022-11-20 20:07:49,537 INFO L226 Difference]: Without dead ends: 34 [2022-11-20 20:07:49,538 INFO L412 NwaCegarLoop]: 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 [2022-11-20 20:07:49,539 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 19 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:49,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 47 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:07:49,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-20 20:07:49,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-20 20:07:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 28 states have internal predecessors, (28), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 20:07:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2022-11-20 20:07:49,546 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 13 [2022-11-20 20:07:49,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:49,546 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-11-20 20:07:49,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-11-20 20:07:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 20:07:49,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:49,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:49,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 20:07:49,548 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 20:07:49,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:49,548 INFO L85 PathProgramCache]: Analyzing trace with hash 791613735, now seen corresponding path program 1 times [2022-11-20 20:07:49,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:49,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145271] [2022-11-20 20:07:49,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:49,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:49,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:49,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145271] [2022-11-20 20:07:49,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:49,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:49,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:07:49,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245958440] [2022-11-20 20:07:49,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:49,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:49,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:49,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:49,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:49,613 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:49,639 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2022-11-20 20:07:49,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:49,639 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-20 20:07:49,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:49,640 INFO L225 Difference]: With dead ends: 34 [2022-11-20 20:07:49,640 INFO L226 Difference]: Without dead ends: 33 [2022-11-20 20:07:49,641 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 [2022-11-20 20:07:49,641 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:49,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 55 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:07:49,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-20 20:07:49,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-20 20:07:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 27 states have internal predecessors, (27), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 20:07:49,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-11-20 20:07:49,647 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 14 [2022-11-20 20:07:49,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:49,648 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-11-20 20:07:49,648 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,648 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-11-20 20:07:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 20:07:49,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:49,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:49,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 20:07:49,650 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 20:07:49,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:49,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1229777869, now seen corresponding path program 1 times [2022-11-20 20:07:49,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:07:49,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614249430] [2022-11-20 20:07:49,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:49,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:07:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:07:49,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:07:49,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614249430] [2022-11-20 20:07:49,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614249430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:49,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:49,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:07:49,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867489651] [2022-11-20 20:07:49,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:49,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:49,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:07:49,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:49,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:49,748 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:49,770 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-11-20 20:07:49,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:49,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-20 20:07:49,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:49,771 INFO L225 Difference]: With dead ends: 33 [2022-11-20 20:07:49,771 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 20:07:49,772 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 [2022-11-20 20:07:49,773 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:49,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:07:49,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 20:07:49,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 20:07:49,774 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) [2022-11-20 20:07:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 20:07:49,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2022-11-20 20:07:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:49,774 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 20:07:49,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:07:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 20:07:49,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 20:07:49,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-20 20:07:49,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-20 20:07:49,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-20 20:07:49,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-20 20:07:49,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-20 20:07:49,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-20 20:07:49,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 20:07:49,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 20:07:49,813 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 20:07:49,813 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 20:07:49,813 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 20:07:49,813 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 20:07:49,813 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2022-11-20 20:07:49,813 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-11-20 20:07:49,814 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2022-11-20 20:07:49,814 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1632) no Hoare annotation was computed. [2022-11-20 20:07:49,814 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1634) no Hoare annotation was computed. [2022-11-20 20:07:49,814 INFO L902 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: true [2022-11-20 20:07:49,814 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1613) no Hoare annotation was computed. [2022-11-20 20:07:49,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-11-20 20:07:49,815 INFO L895 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: (and (= ~CWE191_Integer_Underflow__int_rand_multiply_22_goodB2G2Global~0 1) (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_multiply_22_goodB2G2Sink_~data#1| 1) 0)) [2022-11-20 20:07:49,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 20:07:49,815 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1615) no Hoare annotation was computed. [2022-11-20 20:07:49,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2022-11-20 20:07:49,815 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (and (= ~CWE191_Integer_Underflow__int_rand_multiply_22_goodB2G2Global~0 1) (<= 0 (+ 1073741823 |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_multiply_22_goodB2G2Sink_~data#1|)) (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_multiply_22_goodB2G2Sink_~data#1| 1) 0)) [2022-11-20 20:07:49,815 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-11-20 20:07:49,816 INFO L902 garLoopResultBuilder]: At program point L1589-1(line 1589) the Hoare annotation is: true [2022-11-20 20:07:49,816 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1643) no Hoare annotation was computed. [2022-11-20 20:07:49,816 INFO L899 garLoopResultBuilder]: For program point L1635(lines 1635 1645) no Hoare annotation was computed. [2022-11-20 20:07:49,816 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-11-20 20:07:49,816 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 20:07:49,816 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2022-11-20 20:07:49,816 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1631) no Hoare annotation was computed. [2022-11-20 20:07:49,817 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1633) no Hoare annotation was computed. [2022-11-20 20:07:49,817 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2022-11-20 20:07:49,817 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2022-11-20 20:07:49,817 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1614) no Hoare annotation was computed. [2022-11-20 20:07:49,817 INFO L899 garLoopResultBuilder]: For program point L1603-1(lines 1597 1615) no Hoare annotation was computed. [2022-11-20 20:07:49,817 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2022-11-20 20:07:49,817 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2022-11-20 20:07:49,817 INFO L902 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: true [2022-11-20 20:07:49,818 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-20 20:07:49,818 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_multiply_22_goodB2G1Sink_~data#1| 1) 0) [2022-11-20 20:07:49,818 INFO L899 garLoopResultBuilder]: For program point L1641(line 1641) no Hoare annotation was computed. [2022-11-20 20:07:49,818 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_multiply_22_goodB2G1Sink_~data#1|)) (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_multiply_22_goodB2G1Sink_~data#1| 1) 0)) [2022-11-20 20:07:49,818 INFO L899 garLoopResultBuilder]: For program point L1641-1(line 1641) no Hoare annotation was computed. [2022-11-20 20:07:49,818 INFO L899 garLoopResultBuilder]: For program point L1637(lines 1637 1644) no Hoare annotation was computed. [2022-11-20 20:07:49,822 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:07:49,824 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:07:49,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:07:49 BoogieIcfgContainer [2022-11-20 20:07:49,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:07:49,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:07:49,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:07:49,832 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:07:49,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:07:48" (3/4) ... [2022-11-20 20:07:49,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:07:49,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 20:07:49,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 20:07:49,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-20 20:07:49,846 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 20:07:49,846 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 20:07:49,846 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:07:49,887 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:07:49,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:07:49,896 INFO L158 Benchmark]: Toolchain (without parser) took 3862.71ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 51.2MB in the beginning and 70.5MB in the end (delta: -19.3MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-11-20 20:07:49,896 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:07:49,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1217.10ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 51.1MB in the beginning and 154.4MB in the end (delta: -103.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-20 20:07:49,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.58ms. Allocated memory is still 188.7MB. Free memory was 154.4MB in the beginning and 151.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:07:49,897 INFO L158 Benchmark]: Boogie Preprocessor took 37.29ms. Allocated memory is still 188.7MB. Free memory was 151.3MB in the beginning and 149.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:07:49,898 INFO L158 Benchmark]: RCFGBuilder took 757.34ms. Allocated memory is still 188.7MB. Free memory was 149.2MB in the beginning and 121.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 20:07:49,898 INFO L158 Benchmark]: TraceAbstraction took 1671.96ms. Allocated memory is still 188.7MB. Free memory was 120.9MB in the beginning and 74.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 20:07:49,898 INFO L158 Benchmark]: Witness Printer took 55.38ms. Allocated memory is still 188.7MB. Free memory was 74.8MB in the beginning and 70.5MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:07:49,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1217.10ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 51.1MB in the beginning and 154.4MB in the end (delta: -103.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.58ms. Allocated memory is still 188.7MB. Free memory was 154.4MB in the beginning and 151.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.29ms. Allocated memory is still 188.7MB. Free memory was 151.3MB in the beginning and 149.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 757.34ms. Allocated memory is still 188.7MB. Free memory was 149.2MB in the beginning and 121.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1671.96ms. Allocated memory is still 188.7MB. Free memory was 120.9MB in the beginning and 74.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 55.38ms. Allocated memory is still 188.7MB. Free memory was 74.8MB in the beginning and 70.5MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. 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: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: 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 3 procedures, 39 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 443 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 187 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 256 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 48 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 19 PreInvPairs, 22 NumberOfFragments, 46 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 20:07:49,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffed9e2-61f0-4c49-b7a3-ace36ad635d8/bin/utaipan-6cKwYrpEi9/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