./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pnr4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh --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 c2f943c7ce97bf9be3e11b9d2df150d740ebe8f456342884d8ad0d40610fb008 --- 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-2329fc7 [2022-12-14 09:46:22,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:46:22,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:46:22,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:46:22,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:46:22,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:46:22,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:46:22,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:46:22,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:46:22,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:46:22,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:46:22,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:46:22,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:46:22,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:46:22,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:46:22,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:46:22,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:46:22,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:46:22,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:46:22,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:46:22,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:46:22,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:46:22,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:46:22,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:46:22,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:46:22,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:46:22,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:46:22,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:46:22,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:46:22,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:46:22,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:46:22,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:46:22,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:46:22,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:46:22,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:46:22,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:46:22,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:46:22,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:46:22,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:46:22,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:46:22,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:46:22,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 09:46:22,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:46:22,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:46:22,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:46:22,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:46:22,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:46:22,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:46:22,088 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:46:22,088 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:46:22,088 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:46:22,089 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:46:22,089 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:46:22,089 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:46:22,089 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:46:22,089 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:46:22,089 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:46:22,089 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:46:22,089 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:46:22,089 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:46:22,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:46:22,090 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:46:22,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:46:22,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:46:22,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:46:22,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:46:22,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:46:22,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:46:22,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:46:22,091 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:46:22,091 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:46:22,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:46:22,091 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:46:22,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:46:22,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:46:22,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:46:22,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:46:22,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:46:22,092 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:46:22,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:46:22,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:46:22,092 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:46:22,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:46:22,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:46:22,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:46:22,092 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_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2f943c7ce97bf9be3e11b9d2df150d740ebe8f456342884d8ad0d40610fb008 [2022-12-14 09:46:22,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:46:22,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:46:22,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:46:22,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:46:22,301 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:46:22,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-tiling/pnr4.c [2022-12-14 09:46:24,808 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:46:24,947 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:46:24,948 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/sv-benchmarks/c/array-tiling/pnr4.c [2022-12-14 09:46:24,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/data/1cd6bbf01/c319b751d6314aa5ad553909278396db/FLAGe518eedc9 [2022-12-14 09:46:25,362 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/data/1cd6bbf01/c319b751d6314aa5ad553909278396db [2022-12-14 09:46:25,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:46:25,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:46:25,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:46:25,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:46:25,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:46:25,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733687b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25, skipping insertion in model container [2022-12-14 09:46:25,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:46:25,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:46:25,491 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_a622c14a-4994-4a78-8889-7cc20b57effb/sv-benchmarks/c/array-tiling/pnr4.c[395,408] [2022-12-14 09:46:25,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:46:25,514 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:46:25,523 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_a622c14a-4994-4a78-8889-7cc20b57effb/sv-benchmarks/c/array-tiling/pnr4.c[395,408] [2022-12-14 09:46:25,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:46:25,540 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:46:25,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25 WrapperNode [2022-12-14 09:46:25,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:46:25,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:46:25,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:46:25,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:46:25,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,568 INFO L138 Inliner]: procedures = 17, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2022-12-14 09:46:25,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:46:25,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:46:25,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:46:25,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:46:25,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,585 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:46:25,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:46:25,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:46:25,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:46:25,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (1/1) ... [2022-12-14 09:46:25,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:46:25,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:46:25,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:46:25,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:46:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:46:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:46:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:46:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:46:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2022-12-14 09:46:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2022-12-14 09:46:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:46:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:46:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:46:25,703 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:46:25,704 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:46:25,958 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:46:25,990 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:46:25,990 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 09:46:25,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:46:25 BoogieIcfgContainer [2022-12-14 09:46:25,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:46:25,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:46:25,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:46:25,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:46:25,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:46:25" (1/3) ... [2022-12-14 09:46:26,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113d7831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:46:25, skipping insertion in model container [2022-12-14 09:46:26,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:25" (2/3) ... [2022-12-14 09:46:26,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113d7831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:46:26, skipping insertion in model container [2022-12-14 09:46:26,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:46:25" (3/3) ... [2022-12-14 09:46:26,002 INFO L112 eAbstractionObserver]: Analyzing ICFG pnr4.c [2022-12-14 09:46:26,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:46:26,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-12-14 09:46:26,070 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:46:26,076 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;@6ca797ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:46:26,076 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-12-14 09:46:26,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 56 states have (on average 1.8392857142857142) internal successors, (103), 94 states have internal predecessors, (103), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:46:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 09:46:26,084 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:26,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 09:46:26,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:26,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:26,090 INFO L85 PathProgramCache]: Analyzing trace with hash 6328177, now seen corresponding path program 1 times [2022-12-14 09:46:26,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:26,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040719835] [2022-12-14 09:46:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:46:26,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:26,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040719835] [2022-12-14 09:46:26,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040719835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:46:26,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:46:26,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:46:26,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953566414] [2022-12-14 09:46:26,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:46:26,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:46:26,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:26,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:46:26,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:46:26,390 INFO L87 Difference]: Start difference. First operand has 100 states, 56 states have (on average 1.8392857142857142) internal successors, (103), 94 states have internal predecessors, (103), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2022-12-14 09:46:26,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:26,454 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2022-12-14 09:46:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:46:26,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 [2022-12-14 09:46:26,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:26,464 INFO L225 Difference]: With dead ends: 114 [2022-12-14 09:46:26,464 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 09:46:26,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:46:26,469 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 106 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:26,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 100 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:46:26,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 09:46:26,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 09:46:26,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 54 states have (on average 1.7777777777777777) internal successors, (96), 90 states have internal predecessors, (96), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:46:26,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions. [2022-12-14 09:46:26,501 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 4 [2022-12-14 09:46:26,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:26,501 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 104 transitions. [2022-12-14 09:46:26,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2022-12-14 09:46:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2022-12-14 09:46:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 09:46:26,502 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:26,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 09:46:26,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:46:26,502 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:26,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:26,503 INFO L85 PathProgramCache]: Analyzing trace with hash 196173543, now seen corresponding path program 1 times [2022-12-14 09:46:26,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:26,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585297945] [2022-12-14 09:46:26,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:26,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:26,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:46:26,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:26,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585297945] [2022-12-14 09:46:26,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585297945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:46:26,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:46:26,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:46:26,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429143175] [2022-12-14 09:46:26,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:46:26,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:46:26,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:26,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:46:26,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:46:26,678 INFO L87 Difference]: Start difference. First operand 96 states and 104 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-14 09:46:26,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:26,755 INFO L93 Difference]: Finished difference Result 96 states and 104 transitions. [2022-12-14 09:46:26,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:46:26,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-12-14 09:46:26,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:26,757 INFO L225 Difference]: With dead ends: 96 [2022-12-14 09:46:26,757 INFO L226 Difference]: Without dead ends: 95 [2022-12-14 09:46:26,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 09:46:26,759 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 278 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:26,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 94 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:46:26,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-14 09:46:26,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-12-14 09:46:26,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 54 states have (on average 1.7592592592592593) internal successors, (95), 89 states have internal predecessors, (95), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:46:26,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2022-12-14 09:46:26,770 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 5 [2022-12-14 09:46:26,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:26,770 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2022-12-14 09:46:26,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-14 09:46:26,771 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2022-12-14 09:46:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 09:46:26,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:26,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:46:26,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:46:26,772 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:26,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:26,772 INFO L85 PathProgramCache]: Analyzing trace with hash 78049202, now seen corresponding path program 1 times [2022-12-14 09:46:26,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:26,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839729813] [2022-12-14 09:46:26,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:26,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:26,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:46:26,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:26,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839729813] [2022-12-14 09:46:26,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839729813] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:46:26,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:46:26,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:46:26,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079126763] [2022-12-14 09:46:26,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:46:26,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:46:26,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:26,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:46:26,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:46:26,841 INFO L87 Difference]: Start difference. First operand 95 states and 103 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:46:26,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:26,935 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2022-12-14 09:46:26,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:46:26,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 09:46:26,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:26,936 INFO L225 Difference]: With dead ends: 100 [2022-12-14 09:46:26,936 INFO L226 Difference]: Without dead ends: 98 [2022-12-14 09:46:26,937 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 [2022-12-14 09:46:26,938 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 3 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:26,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 220 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:46:26,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-12-14 09:46:26,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-12-14 09:46:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 57 states have (on average 1.719298245614035) internal successors, (98), 92 states have internal predecessors, (98), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:46:26,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2022-12-14 09:46:26,949 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 9 [2022-12-14 09:46:26,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:26,949 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2022-12-14 09:46:26,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:46:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2022-12-14 09:46:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:46:26,950 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:26,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:46:26,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:46:26,951 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:26,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:26,951 INFO L85 PathProgramCache]: Analyzing trace with hash 30221846, now seen corresponding path program 1 times [2022-12-14 09:46:26,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:26,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420638516] [2022-12-14 09:46:26,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:26,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:46:26,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:26,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420638516] [2022-12-14 09:46:26,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420638516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:46:26,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:46:26,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:46:26,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464097914] [2022-12-14 09:46:26,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:46:26,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:46:26,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:26,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:46:26,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:46:26,983 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 09:46:27,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:27,105 INFO L93 Difference]: Finished difference Result 183 states and 200 transitions. [2022-12-14 09:46:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:46:27,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 09:46:27,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:27,107 INFO L225 Difference]: With dead ends: 183 [2022-12-14 09:46:27,107 INFO L226 Difference]: Without dead ends: 151 [2022-12-14 09:46:27,108 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 [2022-12-14 09:46:27,109 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 47 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:27,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 96 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:46:27,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-12-14 09:46:27,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 145. [2022-12-14 09:46:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 100 states have (on average 1.46) internal successors, (146), 135 states have internal predecessors, (146), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 09:46:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 162 transitions. [2022-12-14 09:46:27,122 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 162 transitions. Word has length 12 [2022-12-14 09:46:27,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:27,124 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 162 transitions. [2022-12-14 09:46:27,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 09:46:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 162 transitions. [2022-12-14 09:46:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:46:27,124 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:27,125 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:46:27,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:46:27,125 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:27,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:27,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1586658251, now seen corresponding path program 1 times [2022-12-14 09:46:27,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:27,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500729356] [2022-12-14 09:46:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:27,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:46:27,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:27,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500729356] [2022-12-14 09:46:27,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500729356] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:46:27,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:46:27,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:46:27,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6423399] [2022-12-14 09:46:27,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:46:27,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:46:27,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:27,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:46:27,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:46:27,259 INFO L87 Difference]: Start difference. First operand 145 states and 162 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-14 09:46:27,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:27,396 INFO L93 Difference]: Finished difference Result 159 states and 176 transitions. [2022-12-14 09:46:27,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:46:27,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:46:27,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:27,398 INFO L225 Difference]: With dead ends: 159 [2022-12-14 09:46:27,398 INFO L226 Difference]: Without dead ends: 150 [2022-12-14 09:46:27,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:46:27,399 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 150 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:27,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 80 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:46:27,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-12-14 09:46:27,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 145. [2022-12-14 09:46:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 100 states have (on average 1.45) internal successors, (145), 135 states have internal predecessors, (145), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 09:46:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 161 transitions. [2022-12-14 09:46:27,412 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 161 transitions. Word has length 12 [2022-12-14 09:46:27,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:27,412 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 161 transitions. [2022-12-14 09:46:27,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-14 09:46:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 161 transitions. [2022-12-14 09:46:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 09:46:27,414 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:27,414 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:46:27,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 09:46:27,414 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:27,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:27,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1536187372, now seen corresponding path program 1 times [2022-12-14 09:46:27,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:27,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629286534] [2022-12-14 09:46:27,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:27,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 09:46:27,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:27,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629286534] [2022-12-14 09:46:27,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629286534] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:46:27,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:46:27,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:46:27,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896743318] [2022-12-14 09:46:27,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:46:27,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:46:27,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:27,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:46:27,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:46:27,493 INFO L87 Difference]: Start difference. First operand 145 states and 161 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 09:46:27,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:27,611 INFO L93 Difference]: Finished difference Result 150 states and 166 transitions. [2022-12-14 09:46:27,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:46:27,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2022-12-14 09:46:27,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:27,612 INFO L225 Difference]: With dead ends: 150 [2022-12-14 09:46:27,613 INFO L226 Difference]: Without dead ends: 148 [2022-12-14 09:46:27,613 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 [2022-12-14 09:46:27,614 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 23 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:27,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 160 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:46:27,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-12-14 09:46:27,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2022-12-14 09:46:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 103 states have (on average 1.4368932038834952) internal successors, (148), 138 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 09:46:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 164 transitions. [2022-12-14 09:46:27,621 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 164 transitions. Word has length 44 [2022-12-14 09:46:27,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:27,621 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 164 transitions. [2022-12-14 09:46:27,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 09:46:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 164 transitions. [2022-12-14 09:46:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 09:46:27,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:27,622 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:46:27,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:46:27,623 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:27,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:27,623 INFO L85 PathProgramCache]: Analyzing trace with hash -600821107, now seen corresponding path program 1 times [2022-12-14 09:46:27,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:27,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97023487] [2022-12-14 09:46:27,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:27,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 09:46:27,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:27,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97023487] [2022-12-14 09:46:27,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97023487] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:46:27,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26210654] [2022-12-14 09:46:27,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:27,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:46:27,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:46:27,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:46:27,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:46:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:27,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 09:46:27,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:46:27,866 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 09:46:27,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:46:27,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26210654] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:46:27,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:46:27,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 09:46:27,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367588985] [2022-12-14 09:46:27,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:46:27,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:46:27,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:27,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:46:27,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 09:46:27,869 INFO L87 Difference]: Start difference. First operand 148 states and 164 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 09:46:28,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:28,022 INFO L93 Difference]: Finished difference Result 148 states and 164 transitions. [2022-12-14 09:46:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:46:28,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2022-12-14 09:46:28,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:28,023 INFO L225 Difference]: With dead ends: 148 [2022-12-14 09:46:28,023 INFO L226 Difference]: Without dead ends: 131 [2022-12-14 09:46:28,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 09:46:28,024 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 103 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:28,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 125 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:46:28,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-12-14 09:46:28,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2022-12-14 09:46:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 121 states have internal predecessors, (131), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 09:46:28,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 147 transitions. [2022-12-14 09:46:28,034 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 147 transitions. Word has length 54 [2022-12-14 09:46:28,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:28,034 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 147 transitions. [2022-12-14 09:46:28,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 09:46:28,035 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 147 transitions. [2022-12-14 09:46:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 09:46:28,036 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:28,036 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:46:28,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:46:28,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:46:28,237 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:28,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:28,238 INFO L85 PathProgramCache]: Analyzing trace with hash 955615298, now seen corresponding path program 1 times [2022-12-14 09:46:28,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:28,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236832424] [2022-12-14 09:46:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:28,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 09:46:28,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:28,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236832424] [2022-12-14 09:46:28,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236832424] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:46:28,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988111954] [2022-12-14 09:46:28,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:28,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:46:28,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:46:28,378 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:46:28,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:46:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:28,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:46:28,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:46:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 09:46:28,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:46:28,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988111954] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:46:28,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:46:28,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 09:46:28,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284448662] [2022-12-14 09:46:28,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:46:28,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:46:28,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:28,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:46:28,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:46:28,458 INFO L87 Difference]: Start difference. First operand 131 states and 147 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 09:46:28,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:28,587 INFO L93 Difference]: Finished difference Result 131 states and 147 transitions. [2022-12-14 09:46:28,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:46:28,587 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 54 [2022-12-14 09:46:28,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:28,588 INFO L225 Difference]: With dead ends: 131 [2022-12-14 09:46:28,588 INFO L226 Difference]: Without dead ends: 130 [2022-12-14 09:46:28,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:46:28,590 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 106 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:28,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 168 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:46:28,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-12-14 09:46:28,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2022-12-14 09:46:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 120 states have internal predecessors, (130), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 09:46:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 146 transitions. [2022-12-14 09:46:28,595 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 146 transitions. Word has length 54 [2022-12-14 09:46:28,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:28,596 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 146 transitions. [2022-12-14 09:46:28,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 09:46:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 146 transitions. [2022-12-14 09:46:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 09:46:28,596 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:28,597 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:46:28,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 09:46:28,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 09:46:28,797 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:28,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:28,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1445585063, now seen corresponding path program 1 times [2022-12-14 09:46:28,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:28,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501990258] [2022-12-14 09:46:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:28,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 09:46:28,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:28,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501990258] [2022-12-14 09:46:28,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501990258] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:46:28,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30583717] [2022-12-14 09:46:28,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:28,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:46:28,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:46:28,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:46:28,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:46:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:28,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 09:46:28,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:46:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 09:46:29,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:46:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 09:46:29,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30583717] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:46:29,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1103559979] [2022-12-14 09:46:29,097 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2022-12-14 09:46:29,098 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:46:29,100 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:46:29,105 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:46:29,105 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:46:29,212 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-12-14 09:46:29,212 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 [2022-12-14 09:46:29,264 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 09:46:29,264 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 [2022-12-14 09:46:29,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-12-14 09:46:29,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-12-14 09:46:29,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-12-14 09:46:30,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 166 [2022-12-14 09:46:31,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:46:31,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:46:31,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:31,370 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-12-14 09:46:31,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 49 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 45 case distinctions, treesize of input 650 treesize of output 635 [2022-12-14 09:46:32,849 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 16 treesize of output 12 [2022-12-14 09:46:32,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 90 [2022-12-14 09:46:33,206 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:33,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 178 treesize of output 126 [2022-12-14 09:46:33,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:46:33,325 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 56 treesize of output 37 [2022-12-14 09:46:33,374 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:33,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-12-14 09:46:33,431 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:33,432 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 3 case distinctions, treesize of input 107 treesize of output 76 [2022-12-14 09:46:33,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:46:33,544 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 56 treesize of output 37 [2022-12-14 09:46:33,607 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:33,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-12-14 09:46:33,680 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:33,680 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 3 case distinctions, treesize of input 107 treesize of output 76 [2022-12-14 09:46:33,788 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 09:46:33,790 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:46:36,824 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3060#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~MAX~0 100000) (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0) (<= 1 ~SIZE~0) (<= |ULTIMATE.start_main_~value~0#1| 2147483647) (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|) (<= ~SIZE~0 100000) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) (= |#NULL.offset| 0) (< 2147483647 (* |ULTIMATE.start_main_~i~0#1| 4)) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (not (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 09:46:36,824 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:46:36,824 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:46:36,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-12-14 09:46:36,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802686293] [2022-12-14 09:46:36,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:46:36,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:46:36,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:36,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:46:36,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=979, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 09:46:36,825 INFO L87 Difference]: Start difference. First operand 130 states and 146 transitions. Second operand has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-12-14 09:46:37,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:37,028 INFO L93 Difference]: Finished difference Result 195 states and 239 transitions. [2022-12-14 09:46:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 09:46:37,028 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 55 [2022-12-14 09:46:37,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:37,029 INFO L225 Difference]: With dead ends: 195 [2022-12-14 09:46:37,029 INFO L226 Difference]: Without dead ends: 178 [2022-12-14 09:46:37,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 126 SyntacticMatches, 8 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=228, Invalid=1104, Unknown=0, NotChecked=0, Total=1332 [2022-12-14 09:46:37,030 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 115 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:37,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 209 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:46:37,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-12-14 09:46:37,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2022-12-14 09:46:37,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 158 states have (on average 1.1265822784810127) internal successors, (178), 161 states have internal predecessors, (178), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 09:46:37,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 204 transitions. [2022-12-14 09:46:37,036 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 204 transitions. Word has length 55 [2022-12-14 09:46:37,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:37,036 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 204 transitions. [2022-12-14 09:46:37,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-12-14 09:46:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 204 transitions. [2022-12-14 09:46:37,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 09:46:37,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:37,037 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:46:37,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 09:46:37,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:46:37,238 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:37,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:37,239 INFO L85 PathProgramCache]: Analyzing trace with hash -440696645, now seen corresponding path program 1 times [2022-12-14 09:46:37,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:37,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319146243] [2022-12-14 09:46:37,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:37,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 09:46:37,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:37,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319146243] [2022-12-14 09:46:37,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319146243] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:46:37,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415242898] [2022-12-14 09:46:37,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:37,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:46:37,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:46:37,331 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:46:37,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:46:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:37,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:46:37,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:46:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 09:46:37,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:46:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 09:46:37,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415242898] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:46:37,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1434018278] [2022-12-14 09:46:37,441 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2022-12-14 09:46:37,441 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:46:37,442 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:46:37,442 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:46:37,442 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:46:37,507 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 09:46:37,508 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 [2022-12-14 09:46:37,516 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 [2022-12-14 09:46:37,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-12-14 09:46:37,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-12-14 09:46:37,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-12-14 09:46:38,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 166 [2022-12-14 09:46:39,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:39,166 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-12-14 09:46:39,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 64 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 44 case distinctions, treesize of input 689 treesize of output 652 [2022-12-14 09:46:40,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:40,260 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-12-14 09:46:40,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 74 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 56 case distinctions, treesize of input 774 treesize of output 695 [2022-12-14 09:46:41,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:41,303 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-12-14 09:46:41,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 88 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 69 case distinctions, treesize of input 798 treesize of output 713 [2022-12-14 09:46:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:42,507 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-12-14 09:46:42,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 101 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 84 case distinctions, treesize of input 876 treesize of output 749 [2022-12-14 09:46:42,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:46:43,076 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 151 treesize of output 105 [2022-12-14 09:46:43,253 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:43,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 123 [2022-12-14 09:46:43,468 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:43,468 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 3 case distinctions, treesize of input 253 treesize of output 159 [2022-12-14 09:46:43,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:46:43,757 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 151 treesize of output 105 [2022-12-14 09:46:43,941 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:43,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 123 [2022-12-14 09:46:44,161 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:44,161 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 3 case distinctions, treesize of input 253 treesize of output 159 [2022-12-14 09:46:44,598 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 09:46:44,600 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:46:47,966 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3836#(and (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0) (<= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|) (<= |ULTIMATE.start_main_~FIXEDVAL~0#1| 10) (< 2147483646 |ULTIMATE.start_main_#t~post12#1|) (<= 1 ~SIZE~0) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0) (<= ~SIZE~0 100000) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= 0 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~MAX~0 100000) (= |#NULL.base| 0))' at error location [2022-12-14 09:46:47,966 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:46:47,966 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:46:47,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-12-14 09:46:47,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757060698] [2022-12-14 09:46:47,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:46:47,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:46:47,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:47,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:46:47,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=1349, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 09:46:47,968 INFO L87 Difference]: Start difference. First operand 176 states and 204 transitions. Second operand has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 09:46:48,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:48,094 INFO L93 Difference]: Finished difference Result 186 states and 216 transitions. [2022-12-14 09:46:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 09:46:48,094 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 55 [2022-12-14 09:46:48,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:48,095 INFO L225 Difference]: With dead ends: 186 [2022-12-14 09:46:48,095 INFO L226 Difference]: Without dead ends: 185 [2022-12-14 09:46:48,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 113 SyntacticMatches, 16 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=329, Invalid=1651, Unknown=0, NotChecked=0, Total=1980 [2022-12-14 09:46:48,096 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 141 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:48,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 201 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:46:48,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-12-14 09:46:48,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2022-12-14 09:46:48,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 167 states have (on average 1.1197604790419162) internal successors, (187), 170 states have internal predecessors, (187), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 09:46:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 213 transitions. [2022-12-14 09:46:48,102 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 213 transitions. Word has length 55 [2022-12-14 09:46:48,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:48,102 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 213 transitions. [2022-12-14 09:46:48,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 09:46:48,102 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 213 transitions. [2022-12-14 09:46:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 09:46:48,103 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:48,103 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:46:48,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 09:46:48,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 09:46:48,303 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:48,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:48,304 INFO L85 PathProgramCache]: Analyzing trace with hash -852209598, now seen corresponding path program 2 times [2022-12-14 09:46:48,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:48,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505572260] [2022-12-14 09:46:48,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:48,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 09:46:48,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:48,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505572260] [2022-12-14 09:46:48,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505572260] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:46:48,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537436782] [2022-12-14 09:46:48,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:46:48,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:46:48,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:46:48,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:46:48,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 09:46:48,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 09:46:48,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:46:48,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 09:46:48,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:46:48,549 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 09:46:48,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:46:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 09:46:48,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537436782] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:46:48,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [758223556] [2022-12-14 09:46:48,613 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2022-12-14 09:46:48,613 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:46:48,614 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:46:48,614 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:46:48,614 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:46:48,673 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 09:46:48,674 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 [2022-12-14 09:46:48,682 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 [2022-12-14 09:46:48,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-12-14 09:46:48,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-12-14 09:46:49,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-12-14 09:46:49,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 166 [2022-12-14 09:46:50,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:46:50,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:46:50,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:50,175 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-12-14 09:46:50,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 49 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 45 case distinctions, treesize of input 650 treesize of output 635 [2022-12-14 09:46:51,564 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 16 treesize of output 12 [2022-12-14 09:46:51,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 90 [2022-12-14 09:46:51,867 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:51,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 178 treesize of output 126 [2022-12-14 09:46:51,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:46:51,981 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 56 treesize of output 37 [2022-12-14 09:46:52,019 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:52,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-12-14 09:46:52,064 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:52,064 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 3 case distinctions, treesize of input 107 treesize of output 76 [2022-12-14 09:46:52,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:46:52,175 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 56 treesize of output 37 [2022-12-14 09:46:52,243 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:52,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-12-14 09:46:52,306 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:46:52,307 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 3 case distinctions, treesize of input 107 treesize of output 76 [2022-12-14 09:46:52,571 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 09:46:52,573 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:46:55,824 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4682#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~MAX~0 100000) (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0) (< 2147483646 |ULTIMATE.start_main_#t~post12#1|) (<= 1 ~SIZE~0) (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|) (<= ~SIZE~0 100000) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#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|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 09:46:55,825 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:46:55,825 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:46:55,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 3] total 13 [2022-12-14 09:46:55,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40019448] [2022-12-14 09:46:55,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:46:55,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 09:46:55,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:55,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 09:46:55,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=1547, Unknown=0, NotChecked=0, Total=1806 [2022-12-14 09:46:55,827 INFO L87 Difference]: Start difference. First operand 185 states and 213 transitions. Second operand has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 14 states have internal predecessors, (93), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:46:56,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:56,102 INFO L93 Difference]: Finished difference Result 188 states and 217 transitions. [2022-12-14 09:46:56,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 09:46:56,102 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 14 states have internal predecessors, (93), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 64 [2022-12-14 09:46:56,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:56,103 INFO L225 Difference]: With dead ends: 188 [2022-12-14 09:46:56,104 INFO L226 Difference]: Without dead ends: 168 [2022-12-14 09:46:56,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 153 SyntacticMatches, 8 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 973 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=384, Invalid=2478, Unknown=0, NotChecked=0, Total=2862 [2022-12-14 09:46:56,106 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 159 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:56,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 135 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:46:56,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-12-14 09:46:56,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-12-14 09:46:56,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 151 states have (on average 1.1059602649006623) internal successors, (167), 153 states have internal predecessors, (167), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 09:46:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 193 transitions. [2022-12-14 09:46:56,111 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 193 transitions. Word has length 64 [2022-12-14 09:46:56,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:56,111 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 193 transitions. [2022-12-14 09:46:56,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 14 states have internal predecessors, (93), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:46:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 193 transitions. [2022-12-14 09:46:56,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-14 09:46:56,112 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:56,113 INFO L195 NwaCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2022-12-14 09:46:56,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 09:46:56,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:46:56,314 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:56,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:56,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1327171744, now seen corresponding path program 1 times [2022-12-14 09:46:56,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:56,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202503553] [2022-12-14 09:46:56,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:56,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-12-14 09:46:56,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:56,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202503553] [2022-12-14 09:46:56,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202503553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:46:56,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:46:56,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:46:56,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514059366] [2022-12-14 09:46:56,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:46:56,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:46:56,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:46:56,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:46:56,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:46:56,413 INFO L87 Difference]: Start difference. First operand 168 states and 193 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 09:46:56,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:46:56,469 INFO L93 Difference]: Finished difference Result 168 states and 193 transitions. [2022-12-14 09:46:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:46:56,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 129 [2022-12-14 09:46:56,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:46:56,471 INFO L225 Difference]: With dead ends: 168 [2022-12-14 09:46:56,471 INFO L226 Difference]: Without dead ends: 167 [2022-12-14 09:46:56,471 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 [2022-12-14 09:46:56,472 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 28 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:46:56,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 62 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:46:56,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-12-14 09:46:56,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2022-12-14 09:46:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 151 states have (on average 1.099337748344371) internal successors, (166), 152 states have internal predecessors, (166), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 09:46:56,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 192 transitions. [2022-12-14 09:46:56,478 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 192 transitions. Word has length 129 [2022-12-14 09:46:56,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:46:56,478 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 192 transitions. [2022-12-14 09:46:56,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 09:46:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 192 transitions. [2022-12-14 09:46:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-14 09:46:56,479 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:46:56,479 INFO L195 NwaCegarLoop]: trace histogram [13, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2022-12-14 09:46:56,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 09:46:56,479 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-12-14 09:46:56,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:46:56,480 INFO L85 PathProgramCache]: Analyzing trace with hash 385546859, now seen corresponding path program 2 times [2022-12-14 09:46:56,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:46:56,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638745159] [2022-12-14 09:46:56,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:46:56,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:46:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:46:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-12-14 09:46:56,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:46:56,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638745159] [2022-12-14 09:46:56,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638745159] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:46:56,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895599294] [2022-12-14 09:46:56,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:46:56,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:46:56,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:46:56,723 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:46:56,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 09:46:56,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 09:46:56,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:46:56,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 09:46:56,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:46:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-14 09:46:57,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:46:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-12-14 09:46:57,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895599294] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:46:57,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [639762674] [2022-12-14 09:46:57,195 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2022-12-14 09:46:57,196 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:46:57,196 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:46:57,196 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:46:57,196 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:46:57,250 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 09:46:57,250 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 [2022-12-14 09:46:57,258 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 [2022-12-14 09:46:57,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 103 [2022-12-14 09:46:57,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 127 [2022-12-14 09:46:57,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 29 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 142 [2022-12-14 09:46:57,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 166 [2022-12-14 09:46:58,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:46:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:46:58,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:46:58,740 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-12-14 09:46:58,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 49 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 45 case distinctions, treesize of input 650 treesize of output 635 [2022-12-14 09:46:59,991 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 16 treesize of output 12 [2022-12-14 09:47:00,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 90 [2022-12-14 09:47:00,279 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:47:00,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 178 treesize of output 126 [2022-12-14 09:47:00,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:47:00,387 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 56 treesize of output 37 [2022-12-14 09:47:00,431 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:47:00,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-12-14 09:47:00,476 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:47:00,476 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 3 case distinctions, treesize of input 107 treesize of output 76 [2022-12-14 09:47:00,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:47:00,570 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 56 treesize of output 37 [2022-12-14 09:47:00,625 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:47:00,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 52 [2022-12-14 09:47:00,688 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:47:00,688 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 3 case distinctions, treesize of input 107 treesize of output 76 [2022-12-14 09:47:00,795 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-12-14 09:47:00,797 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:47:04,115 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6346#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~MAX~0 100000) (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0) (<= 1 ~SIZE~0) (<= |ULTIMATE.start_main_~value~0#1| 2147483647) (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|) (<= ~SIZE~0 100000) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) (= |#NULL.offset| 0) (< 2147483647 (* |ULTIMATE.start_main_~i~0#1| 4)) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (not (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 09:47:04,115 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:47:04,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:47:04,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 3] total 8 [2022-12-14 09:47:04,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958119167] [2022-12-14 09:47:04,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:47:04,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 09:47:04,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:47:04,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 09:47:04,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=871, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 09:47:04,117 INFO L87 Difference]: Start difference. First operand 167 states and 192 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-12-14 09:47:04,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:47:04,236 INFO L93 Difference]: Finished difference Result 167 states and 192 transitions. [2022-12-14 09:47:04,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:47:04,236 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 139 [2022-12-14 09:47:04,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:47:04,237 INFO L225 Difference]: With dead ends: 167 [2022-12-14 09:47:04,237 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 09:47:04,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 370 SyntacticMatches, 20 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 09:47:04,239 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 217 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:47:04,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 26 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:47:04,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 09:47:04,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 09:47:04,239 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) [2022-12-14 09:47:04,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 09:47:04,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2022-12-14 09:47:04,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:47:04,240 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 09:47:04,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-12-14 09:47:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 09:47:04,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 09:47:04,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 38 remaining) [2022-12-14 09:47:04,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 38 remaining) [2022-12-14 09:47:04,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 38 remaining) [2022-12-14 09:47:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 38 remaining) [2022-12-14 09:47:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 38 remaining) [2022-12-14 09:47:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 38 remaining) [2022-12-14 09:47:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 38 remaining) [2022-12-14 09:47:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 38 remaining) [2022-12-14 09:47:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 38 remaining) [2022-12-14 09:47:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 38 remaining) [2022-12-14 09:47:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 38 remaining) [2022-12-14 09:47:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 38 remaining) [2022-12-14 09:47:04,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 38 remaining) [2022-12-14 09:47:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 38 remaining) [2022-12-14 09:47:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 38 remaining) [2022-12-14 09:47:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 38 remaining) [2022-12-14 09:47:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 38 remaining) [2022-12-14 09:47:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 38 remaining) [2022-12-14 09:47:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 38 remaining) [2022-12-14 09:47:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 38 remaining) [2022-12-14 09:47:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 38 remaining) [2022-12-14 09:47:04,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 38 remaining) [2022-12-14 09:47:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 38 remaining) [2022-12-14 09:47:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 38 remaining) [2022-12-14 09:47:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 38 remaining) [2022-12-14 09:47:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 38 remaining) [2022-12-14 09:47:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 38 remaining) [2022-12-14 09:47:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 38 remaining) [2022-12-14 09:47:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 38 remaining) [2022-12-14 09:47:04,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 38 remaining) [2022-12-14 09:47:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 38 remaining) [2022-12-14 09:47:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 38 remaining) [2022-12-14 09:47:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 38 remaining) [2022-12-14 09:47:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 38 remaining) [2022-12-14 09:47:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 38 remaining) [2022-12-14 09:47:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 38 remaining) [2022-12-14 09:47:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 38 remaining) [2022-12-14 09:47:04,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 38 remaining) [2022-12-14 09:47:04,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 09:47:04,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 09:47:04,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 09:47:04,664 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 12 16) the Hoare annotation is: true [2022-12-14 09:47:04,664 INFO L899 garLoopResultBuilder]: For program point ReadFromPortEXIT(lines 12 16) no Hoare annotation was computed. [2022-12-14 09:47:04,664 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 85) the Hoare annotation is: true [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 76) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 77) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point L36-4(lines 36 77) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 09:47:04,665 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2022-12-14 09:47:04,666 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2022-12-14 09:47:04,666 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-12-14 09:47:04,666 INFO L895 garLoopResultBuilder]: At program point L36-7(lines 36 77) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 99999)) (.cse2 (= ~SIZE~0 (* (div ~SIZE~0 4) 4))) (.cse3 (<= ~MAX~0 100000))) (or (and .cse0 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse1 .cse2 .cse3))) [2022-12-14 09:47:04,666 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-12-14 09:47:04,666 INFO L899 garLoopResultBuilder]: For program point L36-8(lines 36 77) no Hoare annotation was computed. [2022-12-14 09:47:04,666 INFO L899 garLoopResultBuilder]: For program point L61-2(line 61) no Hoare annotation was computed. [2022-12-14 09:47:04,666 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2022-12-14 09:47:04,666 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-12-14 09:47:04,666 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-12-14 09:47:04,666 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point L79-3(line 79) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 09:47:04,667 INFO L899 garLoopResultBuilder]: For program point L79-4(line 79) no Hoare annotation was computed. [2022-12-14 09:47:04,668 INFO L895 garLoopResultBuilder]: At program point L79-5(lines 79 82) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 99999)) (.cse2 (= ~SIZE~0 (* (div ~SIZE~0 4) 4))) (.cse3 (<= ~MAX~0 100000))) (or (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3))) [2022-12-14 09:47:04,668 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 09:47:04,668 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-12-14 09:47:04,668 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 99999)) (.cse2 (= ~SIZE~0 (* (div ~SIZE~0 4) 4))) (.cse3 (<= ~MAX~0 100000))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 24999) (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse1 .cse2 .cse3))) [2022-12-14 09:47:04,668 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2022-12-14 09:47:04,668 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-12-14 09:47:04,668 INFO L899 garLoopResultBuilder]: For program point L71-2(line 71) no Hoare annotation was computed. [2022-12-14 09:47:04,668 INFO L899 garLoopResultBuilder]: For program point L71-3(line 71) no Hoare annotation was computed. [2022-12-14 09:47:04,668 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-12-14 09:47:04,668 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-12-14 09:47:04,669 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-12-14 09:47:04,669 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2022-12-14 09:47:04,669 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2022-12-14 09:47:04,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2022-12-14 09:47:04,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-14 09:47:04,669 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 46) no Hoare annotation was computed. [2022-12-14 09:47:04,669 INFO L895 garLoopResultBuilder]: At program point L39-2(lines 39 46) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 99999)) (.cse2 (= ~SIZE~0 (* (div ~SIZE~0 4) 4))) (.cse3 (<= ~MAX~0 100000))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 24999) (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse1 .cse2 .cse3))) [2022-12-14 09:47:04,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-12-14 09:47:04,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2022-12-14 09:47:04,669 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-12-14 09:47:04,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L899 garLoopResultBuilder]: For program point L65-1(line 65) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L899 garLoopResultBuilder]: For program point L65-2(line 65) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L899 garLoopResultBuilder]: For program point L65-3(line 65) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 56) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-14 09:47:04,670 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 56) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 99999)) (.cse2 (= ~SIZE~0 (* (div ~SIZE~0 4) 4))) (.cse3 (<= ~MAX~0 100000))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 24999) (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse1 .cse2 .cse3))) [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 83) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2022-12-14 09:47:04,671 INFO L899 garLoopResultBuilder]: For program point L25-1(lines 25 83) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point L75-1(line 75) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point L75-2(line 75) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point L75-3(line 75) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 66) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L895 garLoopResultBuilder]: At program point L59-2(lines 59 66) the Hoare annotation is: (let ((.cse0 (<= 2 ~SIZE~0)) (.cse1 (<= ~SIZE~0 99999)) (.cse2 (= ~SIZE~0 (* (div ~SIZE~0 4) 4))) (.cse3 (<= ~MAX~0 100000))) (or (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 24999) (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse1 .cse2 .cse3))) [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-12-14 09:47:04,672 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-12-14 09:47:04,673 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-12-14 09:47:04,673 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2022-12-14 09:47:04,673 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 09:47:04,673 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2022-12-14 09:47:04,673 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-12-14 09:47:04,673 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 09:47:04,673 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-12-14 09:47:04,676 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:47:04,677 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:47:04,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:47:04 BoogieIcfgContainer [2022-12-14 09:47:04,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:47:04,688 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:47:04,688 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:47:04,688 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:47:04,688 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:46:25" (3/4) ... [2022-12-14 09:47:04,690 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 09:47:04,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ReadFromPort [2022-12-14 09:47:04,697 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 09:47:04,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 09:47:04,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 09:47:04,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 09:47:04,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 09:47:04,724 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:47:04,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:47:04,725 INFO L158 Benchmark]: Toolchain (without parser) took 39359.02ms. Allocated memory was 132.1MB in the beginning and 281.0MB in the end (delta: 148.9MB). Free memory was 89.1MB in the beginning and 133.4MB in the end (delta: -44.3MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. [2022-12-14 09:47:04,725 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 76.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:47:04,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.12ms. Allocated memory is still 132.1MB. Free memory was 89.1MB in the beginning and 77.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 09:47:04,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.80ms. Allocated memory is still 132.1MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:47:04,725 INFO L158 Benchmark]: Boogie Preprocessor took 18.52ms. Allocated memory is still 132.1MB. Free memory was 75.8MB in the beginning and 74.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:47:04,726 INFO L158 Benchmark]: RCFGBuilder took 405.30ms. Allocated memory is still 132.1MB. Free memory was 74.7MB in the beginning and 54.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 09:47:04,726 INFO L158 Benchmark]: TraceAbstraction took 38691.87ms. Allocated memory was 132.1MB in the beginning and 281.0MB in the end (delta: 148.9MB). Free memory was 54.3MB in the beginning and 137.6MB in the end (delta: -83.3MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2022-12-14 09:47:04,726 INFO L158 Benchmark]: Witness Printer took 36.59ms. Allocated memory is still 281.0MB. Free memory was 137.6MB in the beginning and 133.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:47:04,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 76.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.12ms. Allocated memory is still 132.1MB. Free memory was 89.1MB in the beginning and 77.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.80ms. Allocated memory is still 132.1MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.52ms. Allocated memory is still 132.1MB. Free memory was 75.8MB in the beginning and 74.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.30ms. Allocated memory is still 132.1MB. Free memory was 74.7MB in the beginning and 54.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 38691.87ms. Allocated memory was 132.1MB in the beginning and 281.0MB in the end (delta: 148.9MB). Free memory was 54.3MB in the beginning and 137.6MB in the end (delta: -83.3MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Witness Printer took 36.59ms. Allocated memory is still 281.0MB. Free memory was 137.6MB in the beginning and 133.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: 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 2 procedures, 100 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 38.6s, OverallIterations: 13, TraceHistogramMax: 13, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1504 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1476 mSDsluCounter, 1676 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 948 mSDsCounter, 200 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1990 IncrementalHoareTripleChecker+Invalid, 2190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 200 mSolverCounterUnsat, 728 mSDtfsCounter, 1990 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1127 GetRequests, 875 SyntacticMatches, 52 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3335 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=10, InterpolantAutomatonStates: 78, 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, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 20 PreInvPairs, 41 NumberOfFragments, 260 HoareAnnotationTreeSize, 20 FomulaSimplifications, 318 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 320 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1057 NumberOfCodeBlocks, 877 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1347 ConstructedInterpolants, 0 QuantifiedInterpolants, 4447 SizeOfPredicates, 11 NumberOfNonLiveVariables, 978 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 23 InterpolantComputations, 9 PerfectInterpolantSequences, 1298/1455 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 38 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((((1 <= i && 2 <= SIZE) && SIZE <= 99999) && SIZE == SIZE / 4 * 4) && MAX <= 100000) || ((((i == 0 && 2 <= SIZE) && SIZE <= 99999) && SIZE == SIZE / 4 * 4) && MAX <= 100000) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((2 <= SIZE && 2 <= i) && SIZE <= 99999) && SIZE == SIZE / 4 * 4) && MAX <= 100000) || ((((2 <= SIZE && i == 1) && SIZE <= 99999) && SIZE == SIZE / 4 * 4) && MAX <= 100000) RESULT: Ultimate proved your program to be correct! [2022-12-14 09:47:04,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a622c14a-4994-4a78-8889-7cc20b57effb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE