./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pnr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:07:55,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:07:55,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:07:55,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:07:55,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:07:55,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:07:55,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:07:55,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:07:55,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:07:55,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:07:55,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:07:56,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:07:56,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:07:56,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:07:56,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:07:56,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:07:56,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:07:56,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:07:56,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:07:56,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:07:56,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:07:56,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:07:56,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:07:56,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:07:56,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:07:56,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:07:56,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:07:56,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:07:56,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:07:56,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:07:56,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:07:56,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:07:56,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:07:56,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:07:56,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:07:56,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:07:56,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:07:56,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:07:56,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:07:56,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:07:56,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:07:56,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 02:07:56,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:07:56,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:07:56,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:07:56,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:07:56,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:07:56,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:07:56,058 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:07:56,059 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:07:56,059 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:07:56,059 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:07:56,060 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:07:56,060 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:07:56,060 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:07:56,061 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:07:56,061 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:07:56,061 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:07:56,061 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:07:56,062 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:07:56,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:07:56,063 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:07:56,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:07:56,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:07:56,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:07:56,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:07:56,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:07:56,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:07:56,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:07:56,065 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:07:56,065 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:07:56,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:07:56,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:07:56,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:07:56,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:07:56,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:07:56,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:07:56,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:07:56,067 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:07:56,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:07:56,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:07:56,068 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:07:56,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:07:56,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:07:56,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:07:56,069 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_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e [2022-11-22 02:07:56,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:07:56,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:07:56,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:07:56,399 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:07:56,399 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:07:56,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/array-tiling/pnr3.c [2022-11-22 02:07:59,491 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:07:59,711 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:07:59,712 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/sv-benchmarks/c/array-tiling/pnr3.c [2022-11-22 02:07:59,718 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/data/5db2963cd/008efde4645f40a293a739dae9e08fde/FLAGa3c21b1d9 [2022-11-22 02:07:59,736 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/data/5db2963cd/008efde4645f40a293a739dae9e08fde [2022-11-22 02:07:59,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:07:59,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:07:59,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:07:59,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:07:59,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:07:59,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:07:59,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@384025c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59, skipping insertion in model container [2022-11-22 02:07:59,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:07:59,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:07:59,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:07:59,917 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_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-11-22 02:07:59,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:07:59,951 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:07:59,964 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_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-11-22 02:07:59,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:07:59,987 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:07:59,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59 WrapperNode [2022-11-22 02:07:59,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:07:59,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:07:59,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:07:59,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:07:59,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,028 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2022-11-22 02:08:00,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:08:00,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:08:00,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:08:00,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:08:00,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:08:00,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:08:00,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:08:00,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:08:00,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (1/1) ... [2022-11-22 02:08:00,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:08:00,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:08:00,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:08:00,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:08:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:08:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:08:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:08:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:08:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2022-11-22 02:08:00,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2022-11-22 02:08:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:08:00,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:08:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:08:00,248 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:08:00,252 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:08:00,688 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:08:00,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:08:00,750 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 02:08:00,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:00 BoogieIcfgContainer [2022-11-22 02:08:00,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:08:00,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:08:00,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:08:00,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:08:00,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:07:59" (1/3) ... [2022-11-22 02:08:00,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1941fb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:08:00, skipping insertion in model container [2022-11-22 02:08:00,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:59" (2/3) ... [2022-11-22 02:08:00,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1941fb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:08:00, skipping insertion in model container [2022-11-22 02:08:00,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:00" (3/3) ... [2022-11-22 02:08:00,769 INFO L112 eAbstractionObserver]: Analyzing ICFG pnr3.c [2022-11-22 02:08:00,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:08:00,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-22 02:08:00,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:08:00,851 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;@4a69e33f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:08:00,851 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-22 02:08:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:08:00,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 02:08:00,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:00,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 02:08:00,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:08:00,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:00,867 INFO L85 PathProgramCache]: Analyzing trace with hash 5552805, now seen corresponding path program 1 times [2022-11-22 02:08:00,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:00,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175178929] [2022-11-22 02:08:00,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:00,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:08:01,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:08:01,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175178929] [2022-11-22 02:08:01,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175178929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:08:01,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:08:01,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:08:01,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352958798] [2022-11-22 02:08:01,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:08:01,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:08:01,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:08:01,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:08:01,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:08:01,517 INFO L87 Difference]: Start difference. First operand has 81 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 1.0) 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) [2022-11-22 02:08:01,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:01,753 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2022-11-22 02:08:01,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:08:01,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) 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 [2022-11-22 02:08:01,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:01,764 INFO L225 Difference]: With dead ends: 95 [2022-11-22 02:08:01,764 INFO L226 Difference]: Without dead ends: 76 [2022-11-22 02:08:01,768 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 [2022-11-22 02:08:01,773 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 235 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:01,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 77 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:08:01,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-22 02:08:01,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-22 02:08:01,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 44 states have (on average 1.7272727272727273) internal successors, (76), 71 states have internal predecessors, (76), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:08:01,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2022-11-22 02:08:01,825 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 4 [2022-11-22 02:08:01,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:01,825 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2022-11-22 02:08:01,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) 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) [2022-11-22 02:08:01,827 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2022-11-22 02:08:01,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:08:01,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:01,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:08:01,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:08:01,830 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:08:01,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:01,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1773058136, now seen corresponding path program 1 times [2022-11-22 02:08:01,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:01,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289617845] [2022-11-22 02:08:01,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:01,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:01,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:08:01,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:08:01,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289617845] [2022-11-22 02:08:01,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289617845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:08:01,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:08:01,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:08:01,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015748929] [2022-11-22 02:08:01,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:08:01,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:08:01,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:08:01,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:08:01,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:08:01,939 INFO L87 Difference]: Start difference. First operand 76 states and 82 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) [2022-11-22 02:08:02,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:02,041 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2022-11-22 02:08:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:08:02,042 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 [2022-11-22 02:08:02,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:02,043 INFO L225 Difference]: With dead ends: 81 [2022-11-22 02:08:02,044 INFO L226 Difference]: Without dead ends: 79 [2022-11-22 02:08:02,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:08:02,046 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 3 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:02,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 173 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:08:02,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-22 02:08:02,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-22 02:08:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 47 states have (on average 1.6808510638297873) internal successors, (79), 74 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:08:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2022-11-22 02:08:02,058 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 9 [2022-11-22 02:08:02,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:02,058 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2022-11-22 02:08:02,059 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) [2022-11-22 02:08:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2022-11-22 02:08:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 02:08:02,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:02,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:08:02,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:08:02,060 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:08:02,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:02,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1071596128, now seen corresponding path program 1 times [2022-11-22 02:08:02,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:02,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494418117] [2022-11-22 02:08:02,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:02,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:02,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:08:02,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:08:02,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494418117] [2022-11-22 02:08:02,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494418117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:08:02,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:08:02,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:08:02,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885060480] [2022-11-22 02:08:02,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:08:02,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:08:02,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:08:02,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:08:02,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:08:02,129 INFO L87 Difference]: Start difference. First operand 79 states and 85 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:08:02,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:02,267 INFO L93 Difference]: Finished difference Result 145 states and 158 transitions. [2022-11-22 02:08:02,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:08:02,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-22 02:08:02,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:02,269 INFO L225 Difference]: With dead ends: 145 [2022-11-22 02:08:02,269 INFO L226 Difference]: Without dead ends: 121 [2022-11-22 02:08:02,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:08:02,271 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 36 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:02,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 77 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:08:02,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-22 02:08:02,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2022-11-22 02:08:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.45) internal successors, (116), 107 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-22 02:08:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 128 transitions. [2022-11-22 02:08:02,286 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 128 transitions. Word has length 12 [2022-11-22 02:08:02,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:02,287 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 128 transitions. [2022-11-22 02:08:02,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:08:02,288 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2022-11-22 02:08:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 02:08:02,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:02,289 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:08:02,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:08:02,289 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:08:02,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:02,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1666958657, now seen corresponding path program 1 times [2022-11-22 02:08:02,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:02,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489477678] [2022-11-22 02:08:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:02,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:08:02,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:08:02,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489477678] [2022-11-22 02:08:02,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489477678] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:08:02,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321799423] [2022-11-22 02:08:02,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:02,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:08:02,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:08:02,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:08:02,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:08:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:02,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:08:02,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:08:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:08:02,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:08:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:08:02,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321799423] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:08:02,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1340754605] [2022-11-22 02:08:02,679 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-22 02:08:02,680 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:08:02,687 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:08:02,692 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:08:02,693 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:08:02,867 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-22 02:08:02,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-22 02:08:02,953 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:08:02,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:08:03,096 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:08:03,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1340754605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:08:03,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:08:03,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 15 [2022-11-22 02:08:03,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523092938] [2022-11-22 02:08:03,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:08:03,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:08:03,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:08:03,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:08:03,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-22 02:08:03,832 INFO L87 Difference]: Start difference. First operand 115 states and 128 transitions. Second operand has 5 states, 5 states have (on average 2.2) 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) [2022-11-22 02:08:04,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:04,395 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2022-11-22 02:08:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:08:04,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) 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 [2022-11-22 02:08:04,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:04,397 INFO L225 Difference]: With dead ends: 129 [2022-11-22 02:08:04,397 INFO L226 Difference]: Without dead ends: 120 [2022-11-22 02:08:04,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-22 02:08:04,399 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 176 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:04,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 48 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:08:04,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-22 02:08:04,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2022-11-22 02:08:04,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.4375) internal successors, (115), 107 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-22 02:08:04,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 127 transitions. [2022-11-22 02:08:04,428 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 127 transitions. Word has length 12 [2022-11-22 02:08:04,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:04,428 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 127 transitions. [2022-11-22 02:08:04,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) 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) [2022-11-22 02:08:04,429 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 127 transitions. [2022-11-22 02:08:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-22 02:08:04,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:04,430 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 02:08:04,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:08:04,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-22 02:08:04,644 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:08:04,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:04,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1717549988, now seen corresponding path program 1 times [2022-11-22 02:08:04,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:04,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470053075] [2022-11-22 02:08:04,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:04,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:04,753 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 02:08:04,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:08:04,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470053075] [2022-11-22 02:08:04,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470053075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:08:04,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:08:04,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:08:04,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379079518] [2022-11-22 02:08:04,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:08:04,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:08:04,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:08:04,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:08:04,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:08:04,756 INFO L87 Difference]: Start difference. First operand 115 states and 127 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:08:04,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:04,916 INFO L93 Difference]: Finished difference Result 120 states and 132 transitions. [2022-11-22 02:08:04,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:08:04,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2022-11-22 02:08:04,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:04,918 INFO L225 Difference]: With dead ends: 120 [2022-11-22 02:08:04,918 INFO L226 Difference]: Without dead ends: 118 [2022-11-22 02:08:04,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:08:04,921 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 18 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:04,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 127 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:08:04,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-22 02:08:04,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-22 02:08:04,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 110 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-22 02:08:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 130 transitions. [2022-11-22 02:08:04,959 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 130 transitions. Word has length 35 [2022-11-22 02:08:04,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:04,960 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 130 transitions. [2022-11-22 02:08:04,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:08:04,960 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2022-11-22 02:08:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 02:08:04,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:04,962 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-22 02:08:04,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:08:04,963 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:08:04,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:04,963 INFO L85 PathProgramCache]: Analyzing trace with hash 763617355, now seen corresponding path program 1 times [2022-11-22 02:08:04,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:04,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517862741] [2022-11-22 02:08:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:04,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 02:08:05,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:08:05,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517862741] [2022-11-22 02:08:05,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517862741] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:08:05,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418329362] [2022-11-22 02:08:05,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:05,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:08:05,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:08:05,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:08:05,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:08:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:05,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 02:08:05,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:08:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 02:08:05,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:08:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 02:08:05,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418329362] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:08:05,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [381922744] [2022-11-22 02:08:05,461 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2022-11-22 02:08:05,467 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:08:05,467 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:08:05,468 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:08:05,468 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:08:05,594 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:08:05,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:08:05,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 02:08:05,981 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 [2022-11-22 02:08:06,346 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 [2022-11-22 02:08:06,682 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 [2022-11-22 02:08:08,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:08,719 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-22 02:08:08,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 677 treesize of output 637 [2022-11-22 02:08:10,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:10,655 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-11-22 02:08:10,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 62 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 762 treesize of output 680 [2022-11-22 02:08:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:12,477 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-22 02:08:12,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 75 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 786 treesize of output 698 [2022-11-22 02:08:12,999 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 [2022-11-22 02:08:13,074 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 [2022-11-22 02:08:13,171 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:08:13,171 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 [2022-11-22 02:08:13,251 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 [2022-11-22 02:08:13,334 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 [2022-11-22 02:08:13,438 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:08:13,439 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 [2022-11-22 02:08:13,595 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-22 02:08:13,597 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:08:16,870 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1635#(and (not (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (= |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) (<= |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 [2022-11-22 02:08:16,871 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:08:16,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:08:16,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-22 02:08:16,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322354862] [2022-11-22 02:08:16,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:08:16,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:08:16,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:08:16,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:08:16,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2022-11-22 02:08:16,874 INFO L87 Difference]: Start difference. First operand 118 states and 130 transitions. Second operand has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-22 02:08:17,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:17,245 INFO L93 Difference]: Finished difference Result 171 states and 217 transitions. [2022-11-22 02:08:17,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:08:17,246 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 45 [2022-11-22 02:08:17,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:17,247 INFO L225 Difference]: With dead ends: 171 [2022-11-22 02:08:17,247 INFO L226 Difference]: Without dead ends: 158 [2022-11-22 02:08:17,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 101 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=198, Invalid=992, Unknown=0, NotChecked=0, Total=1190 [2022-11-22 02:08:17,249 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 194 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:17,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 111 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:08:17,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-11-22 02:08:17,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2022-11-22 02:08:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 126 states have (on average 1.3492063492063493) internal successors, (170), 143 states have internal predecessors, (170), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 02:08:17,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 190 transitions. [2022-11-22 02:08:17,270 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 190 transitions. Word has length 45 [2022-11-22 02:08:17,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:17,270 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 190 transitions. [2022-11-22 02:08:17,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-22 02:08:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 190 transitions. [2022-11-22 02:08:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 02:08:17,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:17,272 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 02:08:17,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:08:17,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:08:17,478 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:08:17,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:17,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1974937430, now seen corresponding path program 1 times [2022-11-22 02:08:17,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:17,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549210742] [2022-11-22 02:08:17,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:17,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:17,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:08:17,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:08:17,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549210742] [2022-11-22 02:08:17,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549210742] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:08:17,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567365938] [2022-11-22 02:08:17,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:17,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:08:17,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:08:17,588 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:08:17,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:08:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:17,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:08:17,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:08:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:08:17,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:08:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:08:17,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567365938] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:08:17,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1683940640] [2022-11-22 02:08:17,740 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-22 02:08:17,740 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:08:17,740 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:08:17,741 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:08:17,741 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:08:17,819 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:08:17,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:08:17,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 02:08:18,047 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 [2022-11-22 02:08:18,266 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 [2022-11-22 02:08:18,497 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 [2022-11-22 02:08:19,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:08:19,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:08:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:19,971 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-22 02:08:19,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 40 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 641 treesize of output 623 [2022-11-22 02:08:21,709 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 [2022-11-22 02:08:21,765 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 29 treesize of output 28 [2022-11-22 02:08:21,832 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 [2022-11-22 02:08:21,890 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 [2022-11-22 02:08:21,959 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:08:21,960 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 [2022-11-22 02:08:22,029 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 [2022-11-22 02:08:22,101 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 [2022-11-22 02:08:22,187 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:08:22,188 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 [2022-11-22 02:08:22,429 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-22 02:08:22,431 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:08:25,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1683940640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:08:25,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:08:25,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-22 02:08:25,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065996611] [2022-11-22 02:08:25,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:08:25,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 02:08:25,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:08:25,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 02:08:25,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=973, Unknown=0, NotChecked=0, Total=1190 [2022-11-22 02:08:25,918 INFO L87 Difference]: Start difference. First operand 155 states and 190 transitions. Second operand has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:08:37,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:37,388 INFO L93 Difference]: Finished difference Result 426 states and 541 transitions. [2022-11-22 02:08:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-22 02:08:37,389 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-11-22 02:08:37,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:37,392 INFO L225 Difference]: With dead ends: 426 [2022-11-22 02:08:37,392 INFO L226 Difference]: Without dead ends: 403 [2022-11-22 02:08:37,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 96 SyntacticMatches, 9 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1219 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=662, Invalid=2998, Unknown=0, NotChecked=0, Total=3660 [2022-11-22 02:08:37,395 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 272 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:37,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 168 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-22 02:08:37,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-11-22 02:08:37,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 286. [2022-11-22 02:08:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 244 states have (on average 1.2418032786885247) internal successors, (303), 261 states have internal predecessors, (303), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-11-22 02:08:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2022-11-22 02:08:37,437 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 45 [2022-11-22 02:08:37,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:37,437 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2022-11-22 02:08:37,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:08:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2022-11-22 02:08:37,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 02:08:37,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:37,439 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 02:08:37,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-22 02:08:37,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:08:37,645 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:08:37,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:37,646 INFO L85 PathProgramCache]: Analyzing trace with hash 653817652, now seen corresponding path program 1 times [2022-11-22 02:08:37,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:37,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18117186] [2022-11-22 02:08:37,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:08:37,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:08:37,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18117186] [2022-11-22 02:08:37,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18117186] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:08:37,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902987308] [2022-11-22 02:08:37,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:37,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:08:37,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:08:37,795 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:08:37,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:08:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:37,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:08:37,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:08:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:08:37,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:08:37,942 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:08:37,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902987308] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:08:37,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [171369203] [2022-11-22 02:08:37,947 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-22 02:08:37,948 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:08:37,948 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:08:37,948 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:08:37,949 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:08:38,041 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:08:38,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:08:38,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 02:08:38,275 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 [2022-11-22 02:08:38,476 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 [2022-11-22 02:08:38,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 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 [2022-11-22 02:08:39,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 32 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 157 [2022-11-22 02:08:39,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 181 [2022-11-22 02:08:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:39,754 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-22 02:08:39,755 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 55 case distinctions, treesize of input 765 treesize of output 695 [2022-11-22 02:08:41,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:41,586 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-22 02:08:41,587 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 783 treesize of output 707 [2022-11-22 02:08:43,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:43,119 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-22 02:08:43,119 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 861 treesize of output 743 [2022-11-22 02:08:44,307 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 [2022-11-22 02:08:44,513 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 227 treesize of output 217 [2022-11-22 02:08:44,809 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:08:44,810 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 305 treesize of output 253 [2022-11-22 02:08:45,116 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 [2022-11-22 02:08:45,425 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 [2022-11-22 02:08:45,643 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 [2022-11-22 02:08:46,000 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-22 02:08:46,002 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:08:49,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [171369203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:08:49,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:08:49,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-22 02:08:49,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360503573] [2022-11-22 02:08:49,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:08:49,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 02:08:49,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:08:49,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 02:08:49,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=971, Unknown=0, NotChecked=0, Total=1190 [2022-11-22 02:08:49,859 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand has 25 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:09:00,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:00,711 INFO L93 Difference]: Finished difference Result 465 states and 579 transitions. [2022-11-22 02:09:00,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-22 02:09:00,712 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-11-22 02:09:00,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:00,719 INFO L225 Difference]: With dead ends: 465 [2022-11-22 02:09:00,719 INFO L226 Difference]: Without dead ends: 442 [2022-11-22 02:09:00,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 91 SyntacticMatches, 14 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=722, Invalid=3184, Unknown=0, NotChecked=0, Total=3906 [2022-11-22 02:09:00,722 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 389 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:00,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 140 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-22 02:09:00,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-11-22 02:09:00,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 367. [2022-11-22 02:09:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 318 states have (on average 1.2138364779874213) internal successors, (386), 335 states have internal predecessors, (386), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-22 02:09:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 446 transitions. [2022-11-22 02:09:00,777 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 446 transitions. Word has length 45 [2022-11-22 02:09:00,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:00,778 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 446 transitions. [2022-11-22 02:09:00,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:09:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 446 transitions. [2022-11-22 02:09:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 02:09:00,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:00,780 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 02:09:00,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 02:09:00,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:00,984 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:09:00,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:00,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1320139764, now seen corresponding path program 1 times [2022-11-22 02:09:00,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:00,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77438909] [2022-11-22 02:09:00,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:00,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:09:01,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:01,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77438909] [2022-11-22 02:09:01,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77438909] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:09:01,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771413047] [2022-11-22 02:09:01,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:01,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:01,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:01,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:09:01,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 02:09:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:01,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:09:01,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:09:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:09:01,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:09:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:09:01,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771413047] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:09:01,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1598422195] [2022-11-22 02:09:01,228 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-22 02:09:01,228 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:09:01,229 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:09:01,229 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:09:01,229 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:09:01,304 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:09:01,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:09:01,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 02:09:01,494 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 [2022-11-22 02:09:01,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 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 [2022-11-22 02:09:01,826 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 158 treesize of output 151 [2022-11-22 02:09:02,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:02,934 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-22 02:09:02,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 39 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 662 treesize of output 632 [2022-11-22 02:09:04,296 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 [2022-11-22 02:09:04,359 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 56 treesize of output 37 [2022-11-22 02:09:04,430 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 [2022-11-22 02:09:04,481 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 56 treesize of output 37 [2022-11-22 02:09:04,547 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:04,548 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 95 treesize of output 61 [2022-11-22 02:09:04,626 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 [2022-11-22 02:09:04,698 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 56 treesize of output 37 [2022-11-22 02:09:04,772 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:04,773 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 95 treesize of output 61 [2022-11-22 02:09:04,956 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-22 02:09:04,958 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:09:08,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1598422195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:09:08,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:09:08,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-22 02:09:08,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092553028] [2022-11-22 02:09:08,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:09:08,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 02:09:08,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:08,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 02:09:08,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=960, Unknown=0, NotChecked=0, Total=1190 [2022-11-22 02:09:08,191 INFO L87 Difference]: Start difference. First operand 367 states and 446 transitions. Second operand has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:09:18,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:18,801 INFO L93 Difference]: Finished difference Result 619 states and 768 transitions. [2022-11-22 02:09:18,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-22 02:09:18,802 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-11-22 02:09:18,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:18,804 INFO L225 Difference]: With dead ends: 619 [2022-11-22 02:09:18,804 INFO L226 Difference]: Without dead ends: 596 [2022-11-22 02:09:18,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 96 SyntacticMatches, 9 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-11-22 02:09:18,807 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 432 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:18,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 99 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 02:09:18,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2022-11-22 02:09:18,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 379. [2022-11-22 02:09:18,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 330 states have (on average 1.206060606060606) internal successors, (398), 347 states have internal predecessors, (398), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-22 02:09:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 458 transitions. [2022-11-22 02:09:18,862 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 458 transitions. Word has length 45 [2022-11-22 02:09:18,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:18,862 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 458 transitions. [2022-11-22 02:09:18,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:09:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 458 transitions. [2022-11-22 02:09:18,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 02:09:18,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:18,867 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 02:09:18,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 02:09:19,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:19,074 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:09:19,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:19,074 INFO L85 PathProgramCache]: Analyzing trace with hash -10114892, now seen corresponding path program 1 times [2022-11-22 02:09:19,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:19,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891458694] [2022-11-22 02:09:19,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:19,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:09:19,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:19,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891458694] [2022-11-22 02:09:19,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891458694] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:09:19,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900751058] [2022-11-22 02:09:19,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:19,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:19,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:19,179 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:09:19,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 02:09:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:19,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:09:19,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:09:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:09:19,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:09:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:09:19,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900751058] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:09:19,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [645462598] [2022-11-22 02:09:19,345 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-22 02:09:19,346 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:09:19,346 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:09:19,347 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:09:19,347 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:09:19,423 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:09:19,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:09:19,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 02:09:19,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 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 [2022-11-22 02:09:19,757 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 92 treesize of output 118 [2022-11-22 02:09:19,914 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 104 treesize of output 133 [2022-11-22 02:09:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:20,199 INFO L321 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-22 02:09:20,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 52 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 666 treesize of output 644 [2022-11-22 02:09:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:21,435 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-11-22 02:09:21,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 62 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 681 treesize of output 653 [2022-11-22 02:09:22,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:22,570 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-22 02:09:22,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 75 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 705 treesize of output 671 [2022-11-22 02:09:23,926 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 [2022-11-22 02:09:24,069 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 97 treesize of output 87 [2022-11-22 02:09:24,253 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:24,253 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 121 treesize of output 105 [2022-11-22 02:09:24,562 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 [2022-11-22 02:09:24,722 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 97 treesize of output 87 [2022-11-22 02:09:24,933 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:24,933 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 121 treesize of output 105 [2022-11-22 02:09:25,341 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-22 02:09:25,343 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:09:29,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [645462598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:09:29,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:09:29,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-22 02:09:29,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283012235] [2022-11-22 02:09:29,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:09:29,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 02:09:29,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:29,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 02:09:29,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=974, Unknown=0, NotChecked=0, Total=1190 [2022-11-22 02:09:29,088 INFO L87 Difference]: Start difference. First operand 379 states and 458 transitions. Second operand has 25 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:09:37,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:37,569 INFO L93 Difference]: Finished difference Result 626 states and 781 transitions. [2022-11-22 02:09:37,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-22 02:09:37,569 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-11-22 02:09:37,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:37,572 INFO L225 Difference]: With dead ends: 626 [2022-11-22 02:09:37,572 INFO L226 Difference]: Without dead ends: 603 [2022-11-22 02:09:37,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 91 SyntacticMatches, 14 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1228 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=607, Invalid=2699, Unknown=0, NotChecked=0, Total=3306 [2022-11-22 02:09:37,574 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 372 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:37,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 213 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-22 02:09:37,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2022-11-22 02:09:37,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 459. [2022-11-22 02:09:37,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 402 states have (on average 1.1940298507462686) internal successors, (480), 419 states have internal predecessors, (480), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-22 02:09:37,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 556 transitions. [2022-11-22 02:09:37,629 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 556 transitions. Word has length 45 [2022-11-22 02:09:37,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:37,629 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 556 transitions. [2022-11-22 02:09:37,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 20 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:09:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 556 transitions. [2022-11-22 02:09:37,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 02:09:37,631 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:37,631 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 02:09:37,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 02:09:37,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-22 02:09:37,832 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:09:37,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:37,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1010004994, now seen corresponding path program 1 times [2022-11-22 02:09:37,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:37,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15979972] [2022-11-22 02:09:37,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:37,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:09:37,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:37,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15979972] [2022-11-22 02:09:37,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15979972] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:09:37,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568475142] [2022-11-22 02:09:37,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:37,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:37,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:37,926 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:09:37,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 02:09:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:38,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:09:38,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:09:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:09:38,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:09:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:09:38,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568475142] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:09:38,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2093274349] [2022-11-22 02:09:38,075 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-22 02:09:38,075 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:09:38,076 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:09:38,076 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:09:38,076 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:09:38,146 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-22 02:09:38,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-22 02:09:38,198 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:09:38,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:09:38,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 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 [2022-11-22 02:09:38,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2022-11-22 02:09:38,684 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 [2022-11-22 02:09:38,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:38,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:38,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:38,989 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-22 02:09:38,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 38 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 661 treesize of output 639 [2022-11-22 02:09:39,971 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 [2022-11-22 02:09:40,170 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 151 treesize of output 105 [2022-11-22 02:09:40,499 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 [2022-11-22 02:09:40,550 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 29 treesize of output 28 [2022-11-22 02:09:40,602 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:40,603 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 [2022-11-22 02:09:40,696 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 [2022-11-22 02:09:40,755 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 29 treesize of output 28 [2022-11-22 02:09:40,830 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:09:40,830 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 [2022-11-22 02:09:41,205 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-22 02:09:41,207 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:09:44,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2093274349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:09:44,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:09:44,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [5, 5, 5] total 36 [2022-11-22 02:09:44,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391494034] [2022-11-22 02:09:44,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:09:44,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-22 02:09:44,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:44,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-22 02:09:44,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=1105, Unknown=0, NotChecked=0, Total=1332 [2022-11-22 02:09:44,936 INFO L87 Difference]: Start difference. First operand 459 states and 556 transitions. Second operand has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:09:57,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:57,058 INFO L93 Difference]: Finished difference Result 697 states and 851 transitions. [2022-11-22 02:09:57,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-22 02:09:57,059 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-11-22 02:09:57,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:57,062 INFO L225 Difference]: With dead ends: 697 [2022-11-22 02:09:57,062 INFO L226 Difference]: Without dead ends: 674 [2022-11-22 02:09:57,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 95 SyntacticMatches, 8 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1411 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=737, Invalid=3553, Unknown=0, NotChecked=0, Total=4290 [2022-11-22 02:09:57,064 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 301 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:57,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 120 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-22 02:09:57,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-11-22 02:09:57,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 421. [2022-11-22 02:09:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 368 states have (on average 1.1657608695652173) internal successors, (429), 385 states have internal predecessors, (429), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-22 02:09:57,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 497 transitions. [2022-11-22 02:09:57,123 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 497 transitions. Word has length 45 [2022-11-22 02:09:57,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:57,124 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 497 transitions. [2022-11-22 02:09:57,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:09:57,124 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 497 transitions. [2022-11-22 02:09:57,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-22 02:09:57,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:57,126 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:09:57,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 02:09:57,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-22 02:09:57,327 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:09:57,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:57,327 INFO L85 PathProgramCache]: Analyzing trace with hash -801635193, now seen corresponding path program 1 times [2022-11-22 02:09:57,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:57,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136590325] [2022-11-22 02:09:57,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:57,394 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-22 02:09:57,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:57,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136590325] [2022-11-22 02:09:57,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136590325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:09:57,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:09:57,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:09:57,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540197726] [2022-11-22 02:09:57,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:09:57,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:09:57,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:57,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:09:57,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:09:57,397 INFO L87 Difference]: Start difference. First operand 421 states and 497 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-22 02:09:57,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:57,525 INFO L93 Difference]: Finished difference Result 421 states and 497 transitions. [2022-11-22 02:09:57,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:09:57,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 69 [2022-11-22 02:09:57,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:57,528 INFO L225 Difference]: With dead ends: 421 [2022-11-22 02:09:57,528 INFO L226 Difference]: Without dead ends: 408 [2022-11-22 02:09:57,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:09:57,529 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 32 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:57,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 52 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:09:57,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-11-22 02:09:57,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 376. [2022-11-22 02:09:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 338 states have (on average 1.1272189349112427) internal successors, (381), 342 states have internal predecessors, (381), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-22 02:09:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 445 transitions. [2022-11-22 02:09:57,597 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 445 transitions. Word has length 69 [2022-11-22 02:09:57,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:57,599 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 445 transitions. [2022-11-22 02:09:57,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-22 02:09:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 445 transitions. [2022-11-22 02:09:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-22 02:09:57,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:57,601 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:09:57,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 02:09:57,601 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:09:57,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:57,602 INFO L85 PathProgramCache]: Analyzing trace with hash 356811433, now seen corresponding path program 1 times [2022-11-22 02:09:57,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:57,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230309567] [2022-11-22 02:09:57,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:57,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:57,723 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-22 02:09:57,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:57,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230309567] [2022-11-22 02:09:57,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230309567] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:09:57,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446959930] [2022-11-22 02:09:57,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:57,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:57,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:57,734 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:09:57,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 02:09:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:57,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:09:57,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:09:57,851 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-22 02:09:57,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:09:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-22 02:09:57,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446959930] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:09:57,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [330349920] [2022-11-22 02:09:57,907 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-22 02:09:57,908 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:09:57,909 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:09:57,909 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:09:57,910 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:09:58,001 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:09:58,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:09:58,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 02:09:58,181 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 [2022-11-22 02:09:58,331 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 [2022-11-22 02:09:58,480 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 [2022-11-22 02:09:59,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:59,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:59,593 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-11-22 02:09:59,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 39 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 641 treesize of output 623 [2022-11-22 02:10:01,174 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 [2022-11-22 02:10:01,216 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 29 treesize of output 28 [2022-11-22 02:10:01,273 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 [2022-11-22 02:10:01,317 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 [2022-11-22 02:10:01,368 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:01,368 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 [2022-11-22 02:10:01,411 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 [2022-11-22 02:10:01,486 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 [2022-11-22 02:10:01,570 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:01,571 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 68 treesize of output 52 [2022-11-22 02:10:01,659 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:01,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 80 treesize of output 67 [2022-11-22 02:10:01,740 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:01,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 91 [2022-11-22 02:10:01,832 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:01,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 106 [2022-11-22 02:10:02,249 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:02,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 419 treesize of output 334 [2022-11-22 02:10:02,666 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:02,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 497 treesize of output 370 [2022-11-22 02:10:03,077 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:03,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 521 treesize of output 388 [2022-11-22 02:10:03,211 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 [2022-11-22 02:10:03,254 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 [2022-11-22 02:10:03,321 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:03,321 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 [2022-11-22 02:10:03,366 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 [2022-11-22 02:10:03,413 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 [2022-11-22 02:10:03,479 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:03,479 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 68 treesize of output 52 [2022-11-22 02:10:03,574 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:03,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 80 treesize of output 67 [2022-11-22 02:10:03,657 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:03,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 91 [2022-11-22 02:10:03,742 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:03,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 106 [2022-11-22 02:10:04,235 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:04,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 419 treesize of output 334 [2022-11-22 02:10:04,651 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:04,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 497 treesize of output 370 [2022-11-22 02:10:05,073 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:05,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 521 treesize of output 388 [2022-11-22 02:10:05,212 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 [2022-11-22 02:10:05,256 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 [2022-11-22 02:10:05,324 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:05,325 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 [2022-11-22 02:10:05,488 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 [2022-11-22 02:10:05,548 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 [2022-11-22 02:10:05,636 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:05,637 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 [2022-11-22 02:10:05,894 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-22 02:10:05,896 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:10:08,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [330349920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:10:08,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:10:08,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 5, 5] total 34 [2022-11-22 02:10:08,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073528003] [2022-11-22 02:10:08,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:10:08,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 02:10:08,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:10:08,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 02:10:08,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=967, Unknown=0, NotChecked=0, Total=1190 [2022-11-22 02:10:08,977 INFO L87 Difference]: Start difference. First operand 376 states and 445 transitions. Second operand has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:10:18,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:10:18,637 INFO L93 Difference]: Finished difference Result 821 states and 969 transitions. [2022-11-22 02:10:18,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-22 02:10:18,637 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 78 [2022-11-22 02:10:18,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:10:18,642 INFO L225 Difference]: With dead ends: 821 [2022-11-22 02:10:18,642 INFO L226 Difference]: Without dead ends: 810 [2022-11-22 02:10:18,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 190 SyntacticMatches, 14 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1362 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=717, Invalid=3065, Unknown=0, NotChecked=0, Total=3782 [2022-11-22 02:10:18,644 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 413 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:10:18,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 81 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 02:10:18,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-11-22 02:10:18,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 564. [2022-11-22 02:10:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 507 states have (on average 1.1282051282051282) internal successors, (572), 511 states have internal predecessors, (572), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-22 02:10:18,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 674 transitions. [2022-11-22 02:10:18,750 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 674 transitions. Word has length 78 [2022-11-22 02:10:18,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:10:18,751 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 674 transitions. [2022-11-22 02:10:18,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:10:18,751 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 674 transitions. [2022-11-22 02:10:18,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-22 02:10:18,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:10:18,753 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:10:18,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 02:10:18,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:10:18,958 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 02:10:18,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:10:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash -643078669, now seen corresponding path program 1 times [2022-11-22 02:10:18,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:10:18,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449196666] [2022-11-22 02:10:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:10:18,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:10:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-22 02:10:19,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:10:19,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449196666] [2022-11-22 02:10:19,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449196666] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:10:19,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275425691] [2022-11-22 02:10:19,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:10:19,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:10:19,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:10:19,123 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:10:19,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 02:10:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:19,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:10:19,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:10:19,244 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-22 02:10:19,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:10:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-22 02:10:19,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275425691] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:10:19,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1256287166] [2022-11-22 02:10:19,292 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-22 02:10:19,293 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:10:19,293 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:10:19,293 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:10:19,293 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:10:19,422 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 02:10:19,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 02:10:19,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 02:10:19,619 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 [2022-11-22 02:10:19,810 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 [2022-11-22 02:10:19,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 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 [2022-11-22 02:10:20,391 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 [2022-11-22 02:10:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:20,976 INFO L321 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2022-11-22 02:10:20,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 416 treesize of output 430 [2022-11-22 02:10:21,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,747 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-22 02:10:21,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 43 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 508 treesize of output 480 [2022-11-22 02:10:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:21,982 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-11-22 02:10:21,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 44 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 508 treesize of output 480 [2022-11-22 02:10:22,084 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 [2022-11-22 02:10:22,136 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 [2022-11-22 02:10:22,186 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 [2022-11-22 02:10:22,210 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 56 treesize of output 37 [2022-11-22 02:10:22,433 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 [2022-11-22 02:10:22,473 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 [2022-11-22 02:10:22,521 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 [2022-11-22 02:10:22,542 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 56 treesize of output 37 [2022-11-22 02:10:22,734 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 [2022-11-22 02:10:22,796 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 29 treesize of output 28 [2022-11-22 02:10:22,859 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:22,859 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 68 treesize of output 52 [2022-11-22 02:10:22,899 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:22,899 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 [2022-11-22 02:10:23,137 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 [2022-11-22 02:10:23,409 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 254 treesize of output 226 [2022-11-22 02:10:23,751 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:23,752 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 332 treesize of output 262 [2022-11-22 02:10:23,815 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:23,815 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 332 treesize of output 262 [2022-11-22 02:10:23,880 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 [2022-11-22 02:10:24,140 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 254 treesize of output 226 [2022-11-22 02:10:24,438 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:24,439 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 332 treesize of output 262 [2022-11-22 02:10:24,502 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:24,503 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 332 treesize of output 262 [2022-11-22 02:10:24,583 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 [2022-11-22 02:10:24,661 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 29 treesize of output 28 [2022-11-22 02:10:24,737 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:24,738 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 68 treesize of output 52 [2022-11-22 02:10:24,771 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:24,771 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 [2022-11-22 02:10:25,007 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 [2022-11-22 02:10:25,264 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 254 treesize of output 226 [2022-11-22 02:10:25,554 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:25,554 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 332 treesize of output 262 [2022-11-22 02:10:25,632 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:10:25,633 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 332 treesize of output 262 [2022-11-22 02:10:25,696 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 [2022-11-22 02:10:25,779 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 [2022-11-22 02:10:25,840 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 [2022-11-22 02:10:25,863 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 56 treesize of output 37 [2022-11-22 02:10:26,151 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 [2022-11-22 02:10:26,319 INFO L197 IcfgInterpreter]: Interpreting procedure ReadFromPort with input of size 15 for LOIs [2022-11-22 02:10:26,321 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:10:29,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1256287166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:10:29,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:10:29,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [5, 5, 5] total 35 [2022-11-22 02:10:29,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660841458] [2022-11-22 02:10:29,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:10:29,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-22 02:10:29,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:10:29,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-22 02:10:29,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1026, Unknown=0, NotChecked=0, Total=1260 [2022-11-22 02:10:29,448 INFO L87 Difference]: Start difference. First operand 564 states and 674 transitions. Second operand has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:10:39,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:10:39,574 INFO L93 Difference]: Finished difference Result 623 states and 753 transitions. [2022-11-22 02:10:39,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-22 02:10:39,575 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 78 [2022-11-22 02:10:39,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:10:39,575 INFO L225 Difference]: With dead ends: 623 [2022-11-22 02:10:39,575 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 02:10:39,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 182 SyntacticMatches, 21 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1592 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=796, Invalid=3364, Unknown=0, NotChecked=0, Total=4160 [2022-11-22 02:10:39,578 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 244 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:10:39,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 13 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 02:10:39,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 02:10:39,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 02:10:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:10:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 02:10:39,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2022-11-22 02:10:39,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:10:39,580 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 02:10:39,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 02:10:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 02:10:39,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 02:10:39,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-22 02:10:39,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-22 02:10:39,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-22 02:10:39,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-22 02:10:39,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-22 02:10:39,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-22 02:10:39,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-22 02:10:39,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-22 02:10:39,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-22 02:10:39,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-22 02:10:39,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-22 02:10:39,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-22 02:10:39,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-22 02:10:39,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-22 02:10:39,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-22 02:10:39,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-22 02:10:39,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-22 02:10:39,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-22 02:10:39,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-22 02:10:39,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-22 02:10:39,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-22 02:10:39,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-22 02:10:39,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-22 02:10:39,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-22 02:10:39,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-22 02:10:39,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-22 02:10:39,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-22 02:10:39,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-22 02:10:39,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-22 02:10:39,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-22 02:10:39,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-22 02:10:39,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:10:39,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 02:10:54,569 WARN L233 SmtUtils]: Spent 13.78s on a formula simplification. DAG size of input: 292 DAG size of output: 289 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-22 02:11:04,769 INFO L902 garLoopResultBuilder]: At program point ReadFromPortENTRY(lines 12 16) the Hoare annotation is: true [2022-11-22 02:11:04,770 INFO L899 garLoopResultBuilder]: For program point ReadFromPortEXIT(lines 12 16) no Hoare annotation was computed. [2022-11-22 02:11:04,770 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-22 02:11:04,770 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-22 02:11:04,770 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-22 02:11:04,771 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-22 02:11:04,771 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-22 02:11:04,771 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 67) no Hoare annotation was computed. [2022-11-22 02:11:04,771 INFO L899 garLoopResultBuilder]: For program point L69-3(line 69) no Hoare annotation was computed. [2022-11-22 02:11:04,771 INFO L899 garLoopResultBuilder]: For program point L69-4(line 69) no Hoare annotation was computed. [2022-11-22 02:11:04,771 INFO L899 garLoopResultBuilder]: For program point L36-4(lines 36 67) no Hoare annotation was computed. [2022-11-22 02:11:04,772 INFO L895 garLoopResultBuilder]: At program point L69-5(lines 69 72) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse35 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse35 2))) (.cse5 (= (select .cse35 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (<= 2 ~SIZE~0)) (.cse9 (= 51 (select .cse35 3))) (.cse10 (= 2 (select |#length| 1))) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse13 (= (select .cse35 4) 46)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse15 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse17 (= (select |#valid| 1) 1)) (.cse18 (= (select .cse35 6) 0)) (.cse19 (= 112 (select .cse35 0))) (.cse20 (<= ~SIZE~0 99999)) (.cse21 (= (select |#valid| 0) 0)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse34 0) 48)) (.cse25 (= 110 (select .cse35 1))) (.cse26 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse27 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse28 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse29 (= (select .cse34 1) 0)) (.cse30 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse31 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse32 (< 0 |#StackHeapBarrier|)) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~i~0#1| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2022-11-22 02:11:04,772 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-22 02:11:04,772 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2022-11-22 02:11:04,773 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2022-11-22 02:11:04,773 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 02:11:04,773 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-22 02:11:04,774 INFO L895 garLoopResultBuilder]: At program point L36-7(lines 36 67) the Hoare annotation is: (let ((.cse31 (select |#memory_int| 1)) (.cse32 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse32 2))) (.cse5 (= (select .cse32 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (<= 2 ~SIZE~0)) (.cse9 (= 51 (select .cse32 3))) (.cse10 (= 2 (select |#length| 1))) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse13 (= (select .cse32 4) 46)) (.cse14 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse15 (= (select |#valid| 1) 1)) (.cse16 (= (select .cse32 6) 0)) (.cse17 (= 112 (select .cse32 0))) (.cse18 (<= ~SIZE~0 99999)) (.cse19 (= (select |#valid| 0) 0)) (.cse20 (= (select |#valid| 2) 1)) (.cse21 (= |#NULL.offset| 0)) (.cse22 (= (select .cse31 0) 48)) (.cse23 (= 110 (select .cse32 1))) (.cse24 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse25 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse26 (= (select .cse31 1) 0)) (.cse28 (< 0 |#StackHeapBarrier|)) (.cse29 (= |#NULL.base| 0))) (or (let ((.cse27 (= (let ((.cse30 (mod ~SIZE~0 3))) (ite (and (< ~SIZE~0 0) (not (= .cse30 0))) (+ .cse30 (- 3)) .cse30)) 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= |ULTIMATE.start_main_~i~0#1| 1) .cse11 .cse12 .cse13 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| (ite .cse27 1 0)) .cse27 .cse28 .cse29)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse12 .cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse15 (<= |ULTIMATE.start_main_~i~0#1| 715827883) .cse16 .cse17 .cse18 .cse19 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse26 (= ~SIZE~0 (* (div ~SIZE~0 3) 3)) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse28 .cse29)))) [2022-11-22 02:11:04,774 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-11-22 02:11:04,774 INFO L899 garLoopResultBuilder]: For program point L36-8(lines 36 67) no Hoare annotation was computed. [2022-11-22 02:11:04,774 INFO L899 garLoopResultBuilder]: For program point L61-2(line 61) no Hoare annotation was computed. [2022-11-22 02:11:04,774 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2022-11-22 02:11:04,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-22 02:11:04,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-22 02:11:04,775 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-22 02:11:04,775 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-22 02:11:04,775 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-11-22 02:11:04,775 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-11-22 02:11:04,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-22 02:11:04,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-22 02:11:04,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-22 02:11:04,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-22 02:11:04,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-22 02:11:04,777 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse30 (select |#memory_int| 1)) (.cse31 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse31 2))) (.cse5 (= (select .cse31 5) 99)) (.cse6 (= ~MAX~0 100000)) (.cse7 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse8 (= 51 (select .cse31 3))) (.cse9 (= 2 (select |#length| 1))) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse12 (= (select .cse31 4) 46)) (.cse13 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse14 (= (select |#valid| 1) 1)) (.cse15 (= (select .cse31 6) 0)) (.cse16 (= 112 (select .cse31 0))) (.cse17 (<= ~SIZE~0 99999)) (.cse18 (= (select |#valid| 0) 0)) (.cse19 (= (select |#valid| 2) 1)) (.cse20 (= |#NULL.offset| 0)) (.cse21 (= (select .cse30 0) 48)) (.cse22 (= 110 (select .cse31 1))) (.cse23 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse24 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse25 (= (select .cse30 1) 0)) (.cse27 (< 0 |#StackHeapBarrier|)) (.cse28 (= |#NULL.base| 0))) (or (let ((.cse26 (= (let ((.cse29 (mod ~SIZE~0 3))) (ite (and (< ~SIZE~0 0) (not (= .cse29 0))) (+ .cse29 (- 3)) .cse29)) 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 2 ~SIZE~0) .cse8 .cse9 (= |ULTIMATE.start_main_~i~0#1| 1) .cse10 .cse11 .cse12 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| (ite .cse26 1 0)) .cse26 .cse27 .cse28)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse11 .cse12 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 1 ~SIZE~0) .cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse14 .cse15 .cse16 .cse17 .cse18 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= |ULTIMATE.start_main_~i~0#1| 715827882) .cse25 (= ~SIZE~0 (* (div ~SIZE~0 3) 3)) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse27 .cse28)))) [2022-11-22 02:11:04,777 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-22 02:11:04,777 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-22 02:11:04,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-22 02:11:04,777 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-22 02:11:04,778 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2022-11-22 02:11:04,778 INFO L899 garLoopResultBuilder]: For program point L55-3(line 55) no Hoare annotation was computed. [2022-11-22 02:11:04,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-22 02:11:04,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-22 02:11:04,778 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 46) no Hoare annotation was computed. [2022-11-22 02:11:04,779 INFO L895 garLoopResultBuilder]: At program point L39-2(lines 39 46) the Hoare annotation is: (let ((.cse38 (select |#memory_int| 1)) (.cse39 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse39 2))) (.cse5 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (= (select .cse39 5) 99)) (.cse7 (= ~MAX~0 100000)) (.cse8 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse10 (<= 2 ~SIZE~0)) (.cse11 (= 51 (select .cse39 3))) (.cse12 (= 2 (select |#length| 1))) (.cse13 (= (select |#valid| 3) 1)) (.cse14 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse15 (= (select .cse39 4) 46)) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse19 (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| (- 12) (* |ULTIMATE.start_main_~i~0#1| 12)))) (.cse17 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse18 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (= (select .cse39 6) 0)) (.cse22 (= 112 (select .cse39 0))) (.cse23 (<= ~SIZE~0 99999)) (.cse24 (= (select |#valid| 0) 0)) (.cse25 (= (select |#valid| 2) 1)) (.cse26 (= |#NULL.offset| 0)) (.cse27 (= (select .cse38 0) 48)) (.cse28 (= 110 (select .cse39 1))) (.cse29 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse30 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (.cse31 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse32 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse9 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (.cse33 (= (select .cse38 1) 0)) (.cse34 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse35 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse36 (< 0 |#StackHeapBarrier|)) (.cse37 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= .cse19 2147483647) .cse20 .cse21 .cse22 .cse23 .cse24 (not (= .cse19 |ULTIMATE.start_main_~DEFAULTVAL~0#1|)) .cse25 .cse26 .cse27 (<= 0 (+ .cse19 2147483648)) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 .cse13 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse14 .cse15 .cse16 (= .cse19 |ULTIMATE.start_main_~value~0#1|) .cse17 .cse18 .cse20 .cse21 .cse22 .cse23 .cse24 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (not .cse9) .cse33 .cse34 .cse35 .cse36 .cse37)))) [2022-11-22 02:11:04,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-22 02:11:04,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-22 02:11:04,779 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-11-22 02:11:04,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-22 02:11:04,780 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-22 02:11:04,780 INFO L899 garLoopResultBuilder]: For program point L65-1(line 65) no Hoare annotation was computed. [2022-11-22 02:11:04,780 INFO L899 garLoopResultBuilder]: For program point L65-2(line 65) no Hoare annotation was computed. [2022-11-22 02:11:04,780 INFO L899 garLoopResultBuilder]: For program point L65-3(line 65) no Hoare annotation was computed. [2022-11-22 02:11:04,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-22 02:11:04,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-11-22 02:11:04,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-22 02:11:04,781 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 56) no Hoare annotation was computed. [2022-11-22 02:11:04,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-22 02:11:04,782 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 56) the Hoare annotation is: (let ((.cse45 (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|)) (.cse46 (* |ULTIMATE.start_main_~i~0#1| 12))) (let ((.cse42 (select |#memory_int| 1)) (.cse44 (select .cse45 (+ |ULTIMATE.start_main_~a~0#1.offset| (- 12) .cse46))) (.cse43 (select |#memory_int| 2))) (let ((.cse0 (= 7 (select |#length| 2))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse4 (= 114 (select .cse43 2))) (.cse5 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (= (select .cse43 5) 99)) (.cse7 (= ~MAX~0 100000)) (.cse8 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| 0)) (.cse10 (= 51 (select .cse43 3))) (.cse11 (= 2 (select |#length| 1))) (.cse12 (= (select |#valid| 3) 1)) (.cse13 (= 10 |ULTIMATE.start_main_~FIXEDVAL~0#1|)) (.cse14 (= (select .cse43 4) 46)) (.cse15 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse16 (< 1 ~SIZE~0)) (.cse17 (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) (* 4 (mod ~SIZE~0 1073741824)))) (.cse18 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse25 (select .cse45 (+ |ULTIMATE.start_main_~a~0#1.offset| .cse46 (- 8)))) (.cse19 (<= .cse44 2147483647)) (.cse20 (= (select |#valid| 1) 1)) (.cse21 (= (select .cse43 6) 0)) (.cse22 (= 112 (select .cse43 0))) (.cse23 (<= ~SIZE~0 99999)) (.cse24 (= (select |#valid| 0) 0)) (.cse26 (not (= .cse44 |ULTIMATE.start_main_~DEFAULTVAL~0#1|))) (.cse27 (= (select |#valid| 2) 1)) (.cse28 (= |#NULL.offset| 0)) (.cse29 (= (select .cse42 0) 48)) (.cse30 (<= 0 (+ .cse44 2147483648))) (.cse31 (= 110 (select .cse43 1))) (.cse32 (not (= 3 |ULTIMATE.start_main_~a~0#1.base|))) (.cse33 (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1)) (.cse34 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse35 (<= |ULTIMATE.start_main_~i~0#1| 715827882)) (.cse9 (= |ULTIMATE.start_main_~DEFAULTVAL~0#1| |ULTIMATE.start_main_~value~0#1|)) (.cse36 (= (select .cse42 1) 0)) (.cse37 (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (.cse38 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse39 (< 0 |#StackHeapBarrier|)) (.cse40 (= |#NULL.base| 0)) (.cse41 (<= 0 (+ 715827881 |ULTIMATE.start_main_~i~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (= .cse25 |ULTIMATE.start_main_~FIXEDVAL~0#1|) .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 (<= |ULTIMATE.start_main_~value~0#1| 2147483647) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (= .cse25 |ULTIMATE.start_main_~value~0#1|) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (<= 0 (+ 2147483648 |ULTIMATE.start_main_~value~0#1|)) .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 (not .cse9) .cse36 .cse37 .cse38 .cse39 .cse40 .cse41))))) [2022-11-22 02:11:04,782 INFO L895 garLoopResultBuilder]: At program point L74(lines 22 75) the Hoare annotation is: (or (not (= ~SIZE~0 (* (div ~SIZE~0 3) 3))) (<= ~MAX~0 100000)) [2022-11-22 02:11:04,782 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-22 02:11:04,782 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-11-22 02:11:04,782 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-11-22 02:11:04,783 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-11-22 02:11:04,783 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-22 02:11:04,783 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 02:11:04,783 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-22 02:11:04,783 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-22 02:11:04,783 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 73) no Hoare annotation was computed. [2022-11-22 02:11:04,783 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-11-22 02:11:04,784 INFO L899 garLoopResultBuilder]: For program point L25-1(lines 25 73) no Hoare annotation was computed. [2022-11-22 02:11:04,784 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-22 02:11:04,784 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-22 02:11:04,784 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-22 02:11:04,784 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-22 02:11:04,784 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 66) no Hoare annotation was computed. [2022-11-22 02:11:04,785 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-22 02:11:04,785 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-11-22 02:11:04,785 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2022-11-22 02:11:04,785 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2022-11-22 02:11:04,785 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-22 02:11:04,785 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-22 02:11:04,789 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:11:04,791 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:11:04,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:11:04 BoogieIcfgContainer [2022-11-22 02:11:04,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:11:04,830 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:11:04,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:11:04,830 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:11:04,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:00" (3/4) ... [2022-11-22 02:11:04,837 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:11:04,842 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ReadFromPort [2022-11-22 02:11:04,851 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-22 02:11:04,852 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-22 02:11:04,852 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 02:11:04,852 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:11:04,852 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:11:04,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && \old(cond) == cond) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \old(cond) == (if (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0 then 1 else 0)) && (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && value <= 2147483647) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && i <= 715827883) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && 0 <= 2147483648 + value) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-22 02:11:04,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && i == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-22 02:11:04,915 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:11:04,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:11:04,916 INFO L158 Benchmark]: Toolchain (without parser) took 185172.04ms. Allocated memory was 148.9MB in the beginning and 595.6MB in the end (delta: 446.7MB). Free memory was 105.9MB in the beginning and 344.1MB in the end (delta: -238.2MB). Peak memory consumption was 210.3MB. Max. memory is 16.1GB. [2022-11-22 02:11:04,916 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:11:04,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.10ms. Allocated memory is still 148.9MB. Free memory was 105.9MB in the beginning and 95.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 02:11:04,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.09ms. Allocated memory is still 148.9MB. Free memory was 95.1MB in the beginning and 93.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:11:04,919 INFO L158 Benchmark]: Boogie Preprocessor took 29.68ms. Allocated memory is still 148.9MB. Free memory was 93.3MB in the beginning and 91.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:11:04,919 INFO L158 Benchmark]: RCFGBuilder took 693.18ms. Allocated memory is still 148.9MB. Free memory was 91.8MB in the beginning and 73.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 02:11:04,920 INFO L158 Benchmark]: TraceAbstraction took 184073.82ms. Allocated memory was 148.9MB in the beginning and 595.6MB in the end (delta: 446.7MB). Free memory was 72.4MB in the beginning and 348.3MB in the end (delta: -275.9MB). Peak memory consumption was 323.7MB. Max. memory is 16.1GB. [2022-11-22 02:11:04,921 INFO L158 Benchmark]: Witness Printer took 85.58ms. Allocated memory is still 595.6MB. Free memory was 348.3MB in the beginning and 344.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:11:04,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.10ms. Allocated memory is still 148.9MB. Free memory was 105.9MB in the beginning and 95.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.09ms. Allocated memory is still 148.9MB. Free memory was 95.1MB in the beginning and 93.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.68ms. Allocated memory is still 148.9MB. Free memory was 93.3MB in the beginning and 91.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 693.18ms. Allocated memory is still 148.9MB. Free memory was 91.8MB in the beginning and 73.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 184073.82ms. Allocated memory was 148.9MB in the beginning and 595.6MB in the end (delta: 446.7MB). Free memory was 72.4MB in the beginning and 348.3MB in the end (delta: -275.9MB). Peak memory consumption was 323.7MB. Max. memory is 16.1GB. * Witness Printer took 85.58ms. Allocated memory is still 595.6MB. Free memory was 348.3MB in the beginning and 344.1MB 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: 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: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: 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, 81 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 184.0s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 75.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3148 SdHoareTripleChecker+Valid, 11.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3117 mSDsluCounter, 1499 SdHoareTripleChecker+Invalid, 10.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 942 mSDsCounter, 1009 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7231 IncrementalHoareTripleChecker+Invalid, 8240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1009 mSolverCounterUnsat, 557 mSDtfsCounter, 7231 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1551 GetRequests, 971 SyntacticMatches, 98 SemanticMatches, 482 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9928 ImplicationChecksByTransitivity, 90.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=564occurred in iteration=13, InterpolantAutomatonStates: 250, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1098 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 74 PreInvPairs, 156 NumberOfFragments, 2001 HoareAnnotationTreeSize, 74 FomulaSimplifications, 18187 FormulaSimplificationTreeSizeReduction, 15.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 278171 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1005 NumberOfCodeBlocks, 1005 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1411 ConstructedInterpolants, 0 QuantifiedInterpolants, 2043 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1680 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 32 InterpolantComputations, 5 PerfectInterpolantSequences, 572/641 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 41.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 15, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 424, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 1226, TOOLS_POST_TIME: 14.8s, TOOLS_POST_CALL_APPLICATIONS: 283, TOOLS_POST_CALL_TIME: 19.5s, TOOLS_POST_RETURN_APPLICATIONS: 262, TOOLS_POST_RETURN_TIME: 2.8s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1771, TOOLS_QUANTIFIERELIM_TIME: 36.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.8s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 1959, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 239, DOMAIN_JOIN_TIME: 2.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 31, DOMAIN_WIDEN_TIME: 0.4s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 51, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 424, DOMAIN_ISBOTTOM_TIME: 0.6s, LOOP_SUMMARIZER_APPLICATIONS: 20, LOOP_SUMMARIZER_CACHE_MISSES: 20, LOOP_SUMMARIZER_OVERALL_TIME: 34.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 34.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 51, CALL_SUMMARIZER_APPLICATIONS: 262, CALL_SUMMARIZER_CACHE_MISSES: 7, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.2s, DAG_COMPRESSION_PROCESSED_NODES: 16327, DAG_COMPRESSION_RETAINED_NODES: 1106, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: !(SIZE == SIZE / 3 * 3) || MAX <= 100000 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && i == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && \old(cond) == cond) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && \valid[1] == 1) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \old(cond) == (if (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0 then 1 else 0)) && (if SIZE < 0 && !(SIZE % 3 == 0) then SIZE % 3 + -3 else SIZE % 3) == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((7 == unknown-#length-unknown[2] && unknown-#length-unknown[3] == 12) && a < unknown-#StackHeapBarrier-unknown) && a == 0) && 114 == unknown-#memory_int-unknown[2][2]) && 1 <= i) && unknown-#memory_int-unknown[2][5] == 99) && MAX == 100000) && DEFAULTVAL == 0) && 2 <= SIZE) && 51 == unknown-#memory_int-unknown[2][3]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && value <= 2147483647) && 10 == FIXEDVAL) && unknown-#memory_int-unknown[2][4] == 46) && 0 <= \old(cond)) && unknown-#length-unknown[a] == 4 * (SIZE % 1073741824)) && 0 <= cond) && \valid[1] == 1) && i <= 715827883) && unknown-#memory_int-unknown[2][6] == 0) && 112 == unknown-#memory_int-unknown[2][0]) && SIZE <= 99999) && \valid[0] == 0) && 0 <= 2147483648 + value) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 110 == unknown-#memory_int-unknown[2][1]) && !(3 == a)) && \valid[a] == 1) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && SIZE == SIZE / 3 * 3) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-22 02:11:04,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eea2409-bfa6-4b2e-be8a-b4f2e681c1d6/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE