./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/rewnifrev.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/rewnifrev.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62ffb246c1e6cc2a3d3d5a08bb5a65a9894a173aba5be4caac9150f1d27ccfed --- 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-b5237d8 [2022-11-22 01:34:34,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:34:34,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:34:34,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:34:34,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:34:34,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:34:34,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:34:34,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:34:34,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:34:34,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:34:34,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:34:34,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:34:34,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:34:34,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:34:34,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:34:34,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:34:34,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:34:34,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:34:34,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:34:34,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:34:34,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:34:34,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:34:34,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:34:34,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:34:34,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:34:34,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:34:34,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:34:34,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:34:34,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:34:34,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:34:34,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:34:34,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:34:34,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:34:34,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:34:34,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:34:34,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:34:34,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:34:34,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:34:34,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:34:34,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:34:34,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:34:34,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:34:34,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:34:34,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:34:34,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:34:34,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:34:34,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:34:34,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:34:34,353 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:34:34,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:34:34,354 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:34:34,354 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:34:34,355 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:34:34,355 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:34:34,356 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:34:34,356 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:34:34,356 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:34:34,356 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:34:34,357 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:34:34,357 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:34:34,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:34:34,358 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:34:34,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:34:34,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:34:34,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:34:34,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:34:34,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:34:34,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:34:34,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:34:34,361 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:34:34,361 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:34:34,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:34:34,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:34:34,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:34:34,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:34:34,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:34:34,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:34:34,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:34:34,363 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:34:34,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:34:34,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:34:34,364 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:34:34,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:34:34,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:34:34,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:34:34,365 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_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62ffb246c1e6cc2a3d3d5a08bb5a65a9894a173aba5be4caac9150f1d27ccfed [2022-11-22 01:34:34,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:34:34,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:34:34,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:34:34,705 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:34:34,706 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:34:34,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/array-tiling/rewnifrev.c [2022-11-22 01:34:37,874 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:34:38,059 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:34:38,062 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/sv-benchmarks/c/array-tiling/rewnifrev.c [2022-11-22 01:34:38,070 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/data/e6ea7a2f6/b6ea857b76914b688b8db7dcb659cc64/FLAG3f2a5436b [2022-11-22 01:34:38,085 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/data/e6ea7a2f6/b6ea857b76914b688b8db7dcb659cc64 [2022-11-22 01:34:38,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:34:38,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:34:38,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:34:38,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:34:38,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:34:38,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8daa60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38, skipping insertion in model container [2022-11-22 01:34:38,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:34:38,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:34:38,257 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/sv-benchmarks/c/array-tiling/rewnifrev.c[400,413] [2022-11-22 01:34:38,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:34:38,282 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:34:38,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/sv-benchmarks/c/array-tiling/rewnifrev.c[400,413] [2022-11-22 01:34:38,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:34:38,313 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:34:38,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38 WrapperNode [2022-11-22 01:34:38,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:34:38,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:34:38,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:34:38,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:34:38,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,355 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2022-11-22 01:34:38,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:34:38,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:34:38,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:34:38,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:34:38,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,386 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:34:38,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:34:38,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:34:38,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:34:38,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (1/1) ... [2022-11-22 01:34:38,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:34:38,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:34:38,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:34:38,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:34:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:34:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:34:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:34:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:34:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:34:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:34:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:34:38,541 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:34:38,543 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:34:38,810 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:34:38,839 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:34:38,839 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:34:38,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:38 BoogieIcfgContainer [2022-11-22 01:34:38,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:34:38,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:34:38,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:34:38,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:34:38,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:34:38" (1/3) ... [2022-11-22 01:34:38,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3a09a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:34:38, skipping insertion in model container [2022-11-22 01:34:38,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:38" (2/3) ... [2022-11-22 01:34:38,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3a09a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:34:38, skipping insertion in model container [2022-11-22 01:34:38,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:38" (3/3) ... [2022-11-22 01:34:38,851 INFO L112 eAbstractionObserver]: Analyzing ICFG rewnifrev.c [2022-11-22 01:34:38,871 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:34:38,871 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-22 01:34:38,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:34:38,984 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;@98ef1eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:34:38,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-22 01:34:38,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 31 states have internal predecessors, (35), 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) [2022-11-22 01:34:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 01:34:39,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:39,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 01:34:39,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:39,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:39,022 INFO L85 PathProgramCache]: Analyzing trace with hash 109715, now seen corresponding path program 1 times [2022-11-22 01:34:39,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:39,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422666059] [2022-11-22 01:34:39,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:39,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:39,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:39,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422666059] [2022-11-22 01:34:39,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422666059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:39,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:39,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:34:39,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037645471] [2022-11-22 01:34:39,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:39,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:34:39,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:39,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:34:39,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:39,376 INFO L87 Difference]: Start difference. First operand has 32 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:39,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:39,447 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-11-22 01:34:39,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:34:39,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-22 01:34:39,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:39,459 INFO L225 Difference]: With dead ends: 32 [2022-11-22 01:34:39,459 INFO L226 Difference]: Without dead ends: 29 [2022-11-22 01:34:39,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:39,467 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:39,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 23 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:39,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-22 01:34:39,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-22 01:34:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 28 states have internal predecessors, (31), 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) [2022-11-22 01:34:39,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-22 01:34:39,508 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 3 [2022-11-22 01:34:39,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:39,509 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-22 01:34:39,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-22 01:34:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:34:39,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:39,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:34:39,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:34:39,514 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:39,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash 3401204, now seen corresponding path program 1 times [2022-11-22 01:34:39,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:39,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432855614] [2022-11-22 01:34:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:39,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:39,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432855614] [2022-11-22 01:34:39,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432855614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:39,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:39,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:34:39,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197163142] [2022-11-22 01:34:39,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:39,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:34:39,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:39,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:34:39,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:39,613 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:39,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:39,640 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-11-22 01:34:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:34:39,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-22 01:34:39,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:39,646 INFO L225 Difference]: With dead ends: 29 [2022-11-22 01:34:39,646 INFO L226 Difference]: Without dead ends: 28 [2022-11-22 01:34:39,648 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 [2022-11-22 01:34:39,649 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:39,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 24 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:39,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-22 01:34:39,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-22 01:34:39,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:39,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-11-22 01:34:39,654 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 4 [2022-11-22 01:34:39,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:39,655 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-22 01:34:39,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-11-22 01:34:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:34:39,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:39,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 01:34:39,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:34:39,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:39,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:39,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1026408746, now seen corresponding path program 1 times [2022-11-22 01:34:39,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:39,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289297703] [2022-11-22 01:34:39,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:39,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:39,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:39,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289297703] [2022-11-22 01:34:39,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289297703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:39,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:39,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:34:39,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305775713] [2022-11-22 01:34:39,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:39,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:39,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:39,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:39,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:39,785 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:39,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:39,900 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2022-11-22 01:34:39,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:34:39,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-22 01:34:39,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:39,902 INFO L225 Difference]: With dead ends: 45 [2022-11-22 01:34:39,904 INFO L226 Difference]: Without dead ends: 42 [2022-11-22 01:34:39,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:39,907 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 65 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:39,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 14 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:39,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-22 01:34:39,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2022-11-22 01:34:39,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.64) internal successors, (41), 34 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-11-22 01:34:39,920 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 6 [2022-11-22 01:34:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:39,921 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-11-22 01:34:39,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:39,922 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-11-22 01:34:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:34:39,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:39,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:39,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:34:39,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:39,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:39,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1753900003, now seen corresponding path program 1 times [2022-11-22 01:34:39,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:39,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717728851] [2022-11-22 01:34:39,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:39,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:39,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:39,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717728851] [2022-11-22 01:34:39,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717728851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:39,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:39,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:34:39,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584714952] [2022-11-22 01:34:39,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:39,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:34:39,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:39,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:34:39,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:39,972 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:40,006 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-22 01:34:40,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:34:40,006 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:34:40,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:40,007 INFO L225 Difference]: With dead ends: 40 [2022-11-22 01:34:40,007 INFO L226 Difference]: Without dead ends: 37 [2022-11-22 01:34:40,008 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 [2022-11-22 01:34:40,009 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 18 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:40,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 16 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:40,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-22 01:34:40,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2022-11-22 01:34:40,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 25 states have (on average 1.44) internal successors, (36), 31 states have internal predecessors, (36), 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) [2022-11-22 01:34:40,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-11-22 01:34:40,014 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 7 [2022-11-22 01:34:40,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:40,015 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-11-22 01:34:40,015 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), 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) [2022-11-22 01:34:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-11-22 01:34:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:34:40,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:40,016 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:40,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:34:40,016 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:40,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:40,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1753830455, now seen corresponding path program 1 times [2022-11-22 01:34:40,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:40,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38669954] [2022-11-22 01:34:40,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:40,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:40,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:40,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38669954] [2022-11-22 01:34:40,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38669954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:40,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:40,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:34:40,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063585978] [2022-11-22 01:34:40,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:40,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:40,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:40,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:40,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:40,070 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:40,117 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2022-11-22 01:34:40,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:34:40,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:34:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:40,118 INFO L225 Difference]: With dead ends: 58 [2022-11-22 01:34:40,118 INFO L226 Difference]: Without dead ends: 37 [2022-11-22 01:34:40,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:40,120 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 47 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:40,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 17 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:40,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-22 01:34:40,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2022-11-22 01:34:40,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 25 states have (on average 1.36) internal successors, (34), 31 states have internal predecessors, (34), 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) [2022-11-22 01:34:40,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2022-11-22 01:34:40,125 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 7 [2022-11-22 01:34:40,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:40,125 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2022-11-22 01:34:40,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-11-22 01:34:40,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:34:40,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:40,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:40,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:34:40,127 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:40,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:40,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1842189295, now seen corresponding path program 1 times [2022-11-22 01:34:40,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:40,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101974437] [2022-11-22 01:34:40,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:40,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:40,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:40,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101974437] [2022-11-22 01:34:40,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101974437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:40,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:40,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:34:40,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586911988] [2022-11-22 01:34:40,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:40,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:40,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:40,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:40,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:40,180 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:40,230 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-11-22 01:34:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:34:40,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-22 01:34:40,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:40,231 INFO L225 Difference]: With dead ends: 37 [2022-11-22 01:34:40,232 INFO L226 Difference]: Without dead ends: 33 [2022-11-22 01:34:40,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:40,233 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:40,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 22 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:40,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-22 01:34:40,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2022-11-22 01:34:40,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 24 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-11-22 01:34:40,238 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 14 [2022-11-22 01:34:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:40,238 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-11-22 01:34:40,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-11-22 01:34:40,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:34:40,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:40,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:40,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:34:40,239 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:40,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:40,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1273293225, now seen corresponding path program 1 times [2022-11-22 01:34:40,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:40,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847563812] [2022-11-22 01:34:40,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:40,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:40,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:40,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847563812] [2022-11-22 01:34:40,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847563812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:40,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:40,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:34:40,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138206639] [2022-11-22 01:34:40,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:40,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:40,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:40,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:40,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:40,309 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:40,349 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-11-22 01:34:40,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:34:40,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-22 01:34:40,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:40,350 INFO L225 Difference]: With dead ends: 29 [2022-11-22 01:34:40,350 INFO L226 Difference]: Without dead ends: 28 [2022-11-22 01:34:40,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:40,351 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:40,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 31 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:40,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-22 01:34:40,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-22 01:34:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.2) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-11-22 01:34:40,355 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 15 [2022-11-22 01:34:40,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:40,356 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-22 01:34:40,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-11-22 01:34:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 01:34:40,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:40,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:40,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:34:40,357 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:40,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:40,358 INFO L85 PathProgramCache]: Analyzing trace with hash 472808582, now seen corresponding path program 1 times [2022-11-22 01:34:40,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:40,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719008442] [2022-11-22 01:34:40,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:40,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:40,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:34:40,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:40,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719008442] [2022-11-22 01:34:40,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719008442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:40,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:40,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:34:40,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923721654] [2022-11-22 01:34:40,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:40,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:40,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:40,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:40,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:40,447 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-22 01:34:40,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:40,487 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2022-11-22 01:34:40,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:34:40,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-22 01:34:40,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:40,489 INFO L225 Difference]: With dead ends: 33 [2022-11-22 01:34:40,489 INFO L226 Difference]: Without dead ends: 31 [2022-11-22 01:34:40,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:40,490 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 3 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:40,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 38 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:40,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-22 01:34:40,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-22 01:34:40,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 30 states have internal predecessors, (33), 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) [2022-11-22 01:34:40,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2022-11-22 01:34:40,496 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 18 [2022-11-22 01:34:40,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:40,496 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2022-11-22 01:34:40,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-22 01:34:40,496 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-11-22 01:34:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-22 01:34:40,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:40,497 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:40,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:34:40,498 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:40,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:40,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2052165531, now seen corresponding path program 1 times [2022-11-22 01:34:40,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:40,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075388483] [2022-11-22 01:34:40,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:40,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:34:40,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:40,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075388483] [2022-11-22 01:34:40,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075388483] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:34:40,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52341061] [2022-11-22 01:34:40,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:40,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:34:40,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:34:40,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:34:40,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:34:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:40,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:34:40,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:34:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:34:40,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:34:40,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52341061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:40,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:34:40,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2022-11-22 01:34:40,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099183802] [2022-11-22 01:34:40,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:40,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:34:40,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:40,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:34:40,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:34:40,740 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:40,798 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2022-11-22 01:34:40,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:34:40,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-22 01:34:40,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:40,799 INFO L225 Difference]: With dead ends: 40 [2022-11-22 01:34:40,800 INFO L226 Difference]: Without dead ends: 32 [2022-11-22 01:34:40,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:34:40,802 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 15 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:40,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 27 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:40,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-22 01:34:40,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-22 01:34:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 31 states have internal predecessors, (34), 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) [2022-11-22 01:34:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2022-11-22 01:34:40,818 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 21 [2022-11-22 01:34:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:40,819 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2022-11-22 01:34:40,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-11-22 01:34:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 01:34:40,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:40,820 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:40,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:34:41,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:34:41,028 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:41,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:41,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1001798734, now seen corresponding path program 1 times [2022-11-22 01:34:41,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:41,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967587933] [2022-11-22 01:34:41,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:41,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:41,075 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:34:41,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:41,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967587933] [2022-11-22 01:34:41,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967587933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:41,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:41,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:34:41,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451462240] [2022-11-22 01:34:41,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:41,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:41,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:41,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:41,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:41,078 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2022-11-22 01:34:41,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:41,113 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-11-22 01:34:41,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:34:41,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-22 01:34:41,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:41,114 INFO L225 Difference]: With dead ends: 32 [2022-11-22 01:34:41,114 INFO L226 Difference]: Without dead ends: 31 [2022-11-22 01:34:41,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:41,115 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:41,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 20 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:41,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-22 01:34:41,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-22 01:34:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 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) [2022-11-22 01:34:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2022-11-22 01:34:41,119 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 22 [2022-11-22 01:34:41,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:41,119 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2022-11-22 01:34:41,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2022-11-22 01:34:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-11-22 01:34:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-22 01:34:41,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:41,120 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:41,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:34:41,121 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:41,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:41,121 INFO L85 PathProgramCache]: Analyzing trace with hash -37945060, now seen corresponding path program 1 times [2022-11-22 01:34:41,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:41,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951445379] [2022-11-22 01:34:41,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:41,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:41,201 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:34:41,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:41,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951445379] [2022-11-22 01:34:41,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951445379] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:34:41,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557198267] [2022-11-22 01:34:41,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:41,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:34:41,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:34:41,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:34:41,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:34:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:41,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:34:41,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:34:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:34:41,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:34:41,368 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:34:41,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557198267] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:34:41,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1225164753] [2022-11-22 01:34:41,388 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-22 01:34:41,389 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:34:41,392 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:34:41,397 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:34:41,398 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:34:41,560 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 01:34:41,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 01:34:41,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 01:34:41,705 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:34:41,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2022-11-22 01:34:41,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 49 [2022-11-22 01:34:41,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2022-11-22 01:34:42,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,152 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-22 01:34:42,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 259 treesize of output 259 [2022-11-22 01:34:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,240 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-22 01:34:42,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 270 treesize of output 262 [2022-11-22 01:34:42,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:42,478 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-22 01:34:42,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 270 treesize of output 262 [2022-11-22 01:34:42,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:34:42,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2022-11-22 01:34:42,701 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:34:42,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2022-11-22 01:34:42,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:34:42,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2022-11-22 01:34:42,783 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:34:42,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2022-11-22 01:34:42,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 01:34:43,177 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:34:45,246 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1077#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~MAX~0 100000) (<= 1 ~SIZE~0) (<= ~SIZE~0 100000) (< 2147483646 |ULTIMATE.start_main_#t~post7#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-22 01:34:45,247 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:34:45,247 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:34:45,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-22 01:34:45,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488736021] [2022-11-22 01:34:45,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:34:45,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:34:45,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:45,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:34:45,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2022-11-22 01:34:45,249 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 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) [2022-11-22 01:34:45,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:45,449 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-11-22 01:34:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-22 01:34:45,449 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-22 01:34:45,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:45,450 INFO L225 Difference]: With dead ends: 44 [2022-11-22 01:34:45,450 INFO L226 Difference]: Without dead ends: 43 [2022-11-22 01:34:45,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 58 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=169, Invalid=823, Unknown=0, NotChecked=0, Total=992 [2022-11-22 01:34:45,458 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 28 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:45,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 73 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:45,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-22 01:34:45,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2022-11-22 01:34:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 37 states have (on average 1.162162162162162) internal successors, (43), 38 states have internal predecessors, (43), 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) [2022-11-22 01:34:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2022-11-22 01:34:45,475 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 28 [2022-11-22 01:34:45,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:45,478 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2022-11-22 01:34:45,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 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) [2022-11-22 01:34:45,478 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-11-22 01:34:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-22 01:34:45,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:45,479 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:45,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:34:45,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:34:45,680 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:45,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:45,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1176296761, now seen corresponding path program 1 times [2022-11-22 01:34:45,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:45,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679690616] [2022-11-22 01:34:45,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:45,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:34:45,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:45,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679690616] [2022-11-22 01:34:45,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679690616] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:34:45,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888212479] [2022-11-22 01:34:45,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:45,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:34:45,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:34:45,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:34:45,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:34:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:45,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:34:45,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:34:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:34:45,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:34:45,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888212479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:45,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:34:45,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-22 01:34:45,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268892590] [2022-11-22 01:34:45,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:45,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:34:45,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:45,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:34:45,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:34:45,934 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:45,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:45,987 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2022-11-22 01:34:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:34:45,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-22 01:34:45,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:45,994 INFO L225 Difference]: With dead ends: 39 [2022-11-22 01:34:45,994 INFO L226 Difference]: Without dead ends: 38 [2022-11-22 01:34:45,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:34:45,995 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 18 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:45,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 15 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:45,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-22 01:34:45,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-22 01:34:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 37 states have internal predecessors, (40), 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) [2022-11-22 01:34:45,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-11-22 01:34:45,999 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 29 [2022-11-22 01:34:46,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:46,014 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-11-22 01:34:46,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-11-22 01:34:46,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-22 01:34:46,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:46,015 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:46,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:34:46,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-22 01:34:46,216 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 01:34:46,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:46,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1397002479, now seen corresponding path program 2 times [2022-11-22 01:34:46,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:46,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802035318] [2022-11-22 01:34:46,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:46,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:34:46,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:46,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802035318] [2022-11-22 01:34:46,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802035318] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:34:46,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709050392] [2022-11-22 01:34:46,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:34:46,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:34:46,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:34:46,402 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:34:46,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:34:46,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-22 01:34:46,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:34:46,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:34:46,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:34:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-22 01:34:46,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:34:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-22 01:34:46,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709050392] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:34:46,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [896497780] [2022-11-22 01:34:46,604 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-22 01:34:46,604 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:34:46,605 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:34:46,605 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:34:46,605 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:34:46,720 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-22 01:34:46,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-22 01:34:46,785 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 01:34:46,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 01:34:46,853 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:34:46,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2022-11-22 01:34:46,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 49 [2022-11-22 01:34:46,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2022-11-22 01:34:47,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,130 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-22 01:34:47,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 259 treesize of output 259 [2022-11-22 01:34:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,208 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-22 01:34:47,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 270 treesize of output 262 [2022-11-22 01:34:47,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:47,402 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-22 01:34:47,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 270 treesize of output 262 [2022-11-22 01:34:47,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:34:47,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2022-11-22 01:34:47,582 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:34:47,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2022-11-22 01:34:47,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:34:47,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2022-11-22 01:34:47,647 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:34:47,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2022-11-22 01:34:47,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 01:34:47,971 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:34:50,078 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1622#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~MAX~0 100000) (<= 1 ~SIZE~0) (<= ~SIZE~0 100000) (< 2147483646 |ULTIMATE.start_main_#t~post7#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-22 01:34:50,078 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:34:50,078 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:34:50,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 13 [2022-11-22 01:34:50,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127515442] [2022-11-22 01:34:50,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:34:50,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-22 01:34:50,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:50,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-22 01:34:50,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2022-11-22 01:34:50,081 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 14 states have internal predecessors, (53), 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) [2022-11-22 01:34:50,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:50,336 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2022-11-22 01:34:50,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 01:34:50,336 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-22 01:34:50,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:50,337 INFO L225 Difference]: With dead ends: 42 [2022-11-22 01:34:50,337 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:34:50,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 89 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=230, Invalid=1176, Unknown=0, NotChecked=0, Total=1406 [2022-11-22 01:34:50,338 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 32 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:50,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 42 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:50,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:34:50,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:34:50,339 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) [2022-11-22 01:34:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:34:50,339 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-11-22 01:34:50,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:50,340 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:34:50,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 14 states have internal predecessors, (53), 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) [2022-11-22 01:34:50,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:34:50,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:34:50,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-22 01:34:50,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-22 01:34:50,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-22 01:34:50,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-22 01:34:50,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-22 01:34:50,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-22 01:34:50,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-22 01:34:50,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-22 01:34:50,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-22 01:34:50,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-22 01:34:50,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-22 01:34:50,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-22 01:34:50,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:34:50,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:34:50,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:34:50,668 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-11-22 01:34:50,668 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 37) no Hoare annotation was computed. [2022-11-22 01:34:50,669 INFO L895 garLoopResultBuilder]: At program point L19-1(lines 19 37) the Hoare annotation is: (<= ~SIZE~0 2147483647) [2022-11-22 01:34:50,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-22 01:34:50,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 01:34:50,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-22 01:34:50,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:34:50,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 01:34:50,670 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2022-11-22 01:34:50,670 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-22 01:34:50,670 INFO L899 garLoopResultBuilder]: For program point L28-2(line 28) no Hoare annotation was computed. [2022-11-22 01:34:50,670 INFO L899 garLoopResultBuilder]: For program point L28-3(line 28) no Hoare annotation was computed. [2022-11-22 01:34:50,670 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-22 01:34:50,670 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-11-22 01:34:50,671 INFO L899 garLoopResultBuilder]: For program point L24-5(line 24) no Hoare annotation was computed. [2022-11-22 01:34:50,671 INFO L899 garLoopResultBuilder]: For program point L24-6(line 24) no Hoare annotation was computed. [2022-11-22 01:34:50,671 INFO L895 garLoopResultBuilder]: At program point L24-7(lines 24 31) the Hoare annotation is: (and (<= 2 ~SIZE~0) (<= |ULTIMATE.start_main_~i~0#1| 2147483648) (<= ~SIZE~0 2147483647)) [2022-11-22 01:34:50,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-22 01:34:50,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-22 01:34:50,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:34:50,672 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2022-11-22 01:34:50,672 INFO L899 garLoopResultBuilder]: For program point L33-4(line 33) no Hoare annotation was computed. [2022-11-22 01:34:50,672 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 01:34:50,672 INFO L895 garLoopResultBuilder]: At program point L33-5(lines 33 36) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 2147483647))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1))) [2022-11-22 01:34:50,672 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-22 01:34:50,673 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-11-22 01:34:50,673 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-11-22 01:34:50,673 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2022-11-22 01:34:50,673 INFO L899 garLoopResultBuilder]: For program point L26-2(lines 26 29) no Hoare annotation was computed. [2022-11-22 01:34:50,673 INFO L899 garLoopResultBuilder]: For program point L26-4(lines 26 29) no Hoare annotation was computed. [2022-11-22 01:34:50,673 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-22 01:34:50,674 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 01:34:50,677 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:50,679 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:34:50,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:34:50 BoogieIcfgContainer [2022-11-22 01:34:50,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:34:50,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:34:50,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:34:50,694 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:34:50,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:38" (3/4) ... [2022-11-22 01:34:50,698 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:34:50,707 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-22 01:34:50,707 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-22 01:34:50,707 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 01:34:50,708 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:34:50,758 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:34:50,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:34:50,759 INFO L158 Benchmark]: Toolchain (without parser) took 12669.56ms. Allocated memory was 132.1MB in the beginning and 257.9MB in the end (delta: 125.8MB). Free memory was 87.3MB in the beginning and 226.6MB in the end (delta: -139.3MB). Peak memory consumption was 138.7MB. Max. memory is 16.1GB. [2022-11-22 01:34:50,760 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:34:50,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.04ms. Allocated memory is still 132.1MB. Free memory was 87.3MB in the beginning and 76.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:34:50,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.37ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 75.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:34:50,760 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 132.1MB. Free memory was 75.5MB in the beginning and 74.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:34:50,761 INFO L158 Benchmark]: RCFGBuilder took 445.32ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 74.2MB in the beginning and 144.5MB in the end (delta: -70.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-11-22 01:34:50,761 INFO L158 Benchmark]: TraceAbstraction took 11848.78ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 144.5MB in the beginning and 79.9MB in the end (delta: 64.7MB). Peak memory consumption was 144.4MB. Max. memory is 16.1GB. [2022-11-22 01:34:50,762 INFO L158 Benchmark]: Witness Printer took 64.97ms. Allocated memory is still 257.9MB. Free memory was 79.9MB in the beginning and 226.6MB in the end (delta: -146.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-11-22 01:34:50,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.04ms. Allocated memory is still 132.1MB. Free memory was 87.3MB in the beginning and 76.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.37ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 75.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 132.1MB. Free memory was 75.5MB in the beginning and 74.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 445.32ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 74.2MB in the beginning and 144.5MB in the end (delta: -70.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 11848.78ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 144.5MB in the beginning and 79.9MB in the end (delta: 64.7MB). Peak memory consumption was 144.4MB. Max. memory is 16.1GB. * Witness Printer took 64.97ms. Allocated memory is still 257.9MB. Free memory was 79.9MB in the beginning and 226.6MB in the end (delta: -146.7MB). Peak memory consumption was 3.2MB. 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 11.7s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 307 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 307 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 189 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 495 IncrementalHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 173 mSDtfsCounter, 495 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 200 SyntacticMatches, 13 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=11, InterpolantAutomatonStates: 74, 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, 13 MinimizatonAttempts, 29 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 12 NumberOfFragments, 34 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 613 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 326 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 698 SizeOfPredicates, 8 NumberOfNonLiveVariables, 367 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 131/176 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 12 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (2 <= SIZE && i <= 2147483648) && SIZE <= 2147483647 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((i == 0 && 2 <= SIZE) && SIZE <= 2147483647) || ((1 <= i && 2 <= SIZE) && SIZE <= 2147483647) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: SIZE <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-11-22 01:34:50,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc9de416-2619-4661-b8f9-966cf164d7bc/bin/utaipan-g80aRyZoba/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