./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/nr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/nr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a5d4c3d8db636946363c81d25b5c2e381fc236cdcde6b4765d7ce6e059d8a21 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:13:13,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:13:13,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:13:14,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:13:14,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:13:14,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:13:14,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:13:14,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:13:14,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:13:14,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:13:14,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:13:14,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:13:14,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:13:14,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:13:14,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:13:14,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:13:14,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:13:14,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:13:14,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:13:14,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:13:14,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:13:14,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:13:14,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:13:14,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:13:14,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:13:14,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:13:14,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:13:14,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:13:14,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:13:14,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:13:14,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:13:14,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:13:14,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:13:14,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:13:14,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:13:14,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:13:14,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:13:14,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:13:14,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:13:14,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:13:14,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:13:14,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:13:14,193 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:13:14,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:13:14,194 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:13:14,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:13:14,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:13:14,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:13:14,197 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:13:14,197 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:13:14,197 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:13:14,198 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:13:14,199 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:13:14,199 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:13:14,200 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:13:14,200 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:13:14,200 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:13:14,201 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:13:14,201 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:13:14,201 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:13:14,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:13:14,203 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:13:14,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:13:14,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:13:14,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:13:14,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:13:14,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:13:14,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:13:14,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:13:14,207 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:13:14,208 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:13:14,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:13:14,208 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:13:14,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:13:14,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:13:14,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:13:14,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:13:14,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:13:14,211 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:13:14,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:13:14,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:13:14,214 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:13:14,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:13:14,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:13:14,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:13:14,215 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_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a5d4c3d8db636946363c81d25b5c2e381fc236cdcde6b4765d7ce6e059d8a21 [2022-11-19 08:13:14,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:13:14,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:13:14,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:13:14,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:13:14,659 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:13:14,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/array-tiling/nr2.c [2022-11-19 08:13:14,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/data/45962f7f9/793abb3de561467999cb5a075dfd46ed/FLAG458643b5b [2022-11-19 08:13:15,430 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:13:15,431 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/sv-benchmarks/c/array-tiling/nr2.c [2022-11-19 08:13:15,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/data/45962f7f9/793abb3de561467999cb5a075dfd46ed/FLAG458643b5b [2022-11-19 08:13:15,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/data/45962f7f9/793abb3de561467999cb5a075dfd46ed [2022-11-19 08:13:15,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:13:15,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:13:15,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:13:15,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:13:15,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:13:15,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:13:15" (1/1) ... [2022-11-19 08:13:15,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436277dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:15, skipping insertion in model container [2022-11-19 08:13:15,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:13:15" (1/1) ... [2022-11-19 08:13:15,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:13:15,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:13:16,109 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/sv-benchmarks/c/array-tiling/nr2.c[394,407] [2022-11-19 08:13:16,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:13:16,147 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:13:16,175 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/sv-benchmarks/c/array-tiling/nr2.c[394,407] [2022-11-19 08:13:16,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:13:16,217 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:13:16,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16 WrapperNode [2022-11-19 08:13:16,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:13:16,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:13:16,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:13:16,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:13:16,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,278 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2022-11-19 08:13:16,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:13:16,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:13:16,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:13:16,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:13:16,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:13:16,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:13:16,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:13:16,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:13:16,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (1/1) ... [2022-11-19 08:13:16,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:13:16,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:16,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:13:16,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:13:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:13:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:13:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:13:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:13:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:13:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:13:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:13:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:13:16,570 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:13:16,572 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:13:16,891 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:13:16,959 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:13:16,960 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 08:13:16,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:13:16 BoogieIcfgContainer [2022-11-19 08:13:16,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:13:16,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:13:16,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:13:16,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:13:16,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:13:15" (1/3) ... [2022-11-19 08:13:16,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad84e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:13:16, skipping insertion in model container [2022-11-19 08:13:16,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:13:16" (2/3) ... [2022-11-19 08:13:16,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad84e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:13:16, skipping insertion in model container [2022-11-19 08:13:16,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:13:16" (3/3) ... [2022-11-19 08:13:16,987 INFO L112 eAbstractionObserver]: Analyzing ICFG nr2.c [2022-11-19 08:13:17,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:13:17,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-19 08:13:17,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:13:17,157 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;@7e38020f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:13:17,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-19 08:13:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 43 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:13:17,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:17,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:13:17,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:17,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:17,202 INFO L85 PathProgramCache]: Analyzing trace with hash 4507173, now seen corresponding path program 1 times [2022-11-19 08:13:17,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:17,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648131668] [2022-11-19 08:13:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:17,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:17,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:17,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648131668] [2022-11-19 08:13:17,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648131668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:17,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:17,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:13:17,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873165752] [2022-11-19 08:13:17,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:17,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:13:17,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:17,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:13:17,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:13:17,958 INFO L87 Difference]: Start difference. First operand has 44 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 43 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 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) [2022-11-19 08:13:18,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:18,116 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-11-19 08:13:18,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:13:18,122 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 [2022-11-19 08:13:18,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:18,145 INFO L225 Difference]: With dead ends: 58 [2022-11-19 08:13:18,146 INFO L226 Difference]: Without dead ends: 39 [2022-11-19 08:13:18,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:13:18,158 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 51 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:18,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 37 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:18,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-19 08:13:18,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-19 08:13:18,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.68) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2022-11-19 08:13:18,206 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 4 [2022-11-19 08:13:18,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:18,207 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-19 08:13:18,209 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) [2022-11-19 08:13:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2022-11-19 08:13:18,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:13:18,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:18,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:18,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:13:18,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:18,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:18,217 INFO L85 PathProgramCache]: Analyzing trace with hash 647276565, now seen corresponding path program 1 times [2022-11-19 08:13:18,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:18,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615869408] [2022-11-19 08:13:18,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:18,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:18,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:18,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615869408] [2022-11-19 08:13:18,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615869408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:18,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:18,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:13:18,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143518461] [2022-11-19 08:13:18,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:18,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:13:18,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:18,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:13:18,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:13:18,434 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:18,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:18,578 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2022-11-19 08:13:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:13:18,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-19 08:13:18,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:18,581 INFO L225 Difference]: With dead ends: 98 [2022-11-19 08:13:18,581 INFO L226 Difference]: Without dead ends: 62 [2022-11-19 08:13:18,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:13:18,584 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 23 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:18,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 49 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:18,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-19 08:13:18,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 40. [2022-11-19 08:13:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:18,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-11-19 08:13:18,613 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 8 [2022-11-19 08:13:18,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:18,615 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-11-19 08:13:18,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-11-19 08:13:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:13:18,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:18,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:18,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:13:18,619 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:18,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:18,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1409365658, now seen corresponding path program 1 times [2022-11-19 08:13:18,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:18,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431811728] [2022-11-19 08:13:18,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:18,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:18,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:18,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431811728] [2022-11-19 08:13:18,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431811728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:18,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:18,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:13:18,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484578413] [2022-11-19 08:13:18,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:18,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:13:18,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:18,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:13:18,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:18,807 INFO L87 Difference]: Start difference. First operand 40 states and 43 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) [2022-11-19 08:13:18,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:18,898 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2022-11-19 08:13:18,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:13:18,899 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 [2022-11-19 08:13:18,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:18,900 INFO L225 Difference]: With dead ends: 45 [2022-11-19 08:13:18,900 INFO L226 Difference]: Without dead ends: 43 [2022-11-19 08:13:18,901 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 [2022-11-19 08:13:18,903 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:18,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 86 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:18,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-19 08:13:18,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-19 08:13:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 42 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2022-11-19 08:13:18,914 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 9 [2022-11-19 08:13:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:18,915 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2022-11-19 08:13:18,916 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) [2022-11-19 08:13:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2022-11-19 08:13:18,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:13:18,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:18,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:18,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:13:18,918 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:18,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:18,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1409346149, now seen corresponding path program 1 times [2022-11-19 08:13:18,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:18,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183352273] [2022-11-19 08:13:18,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:18,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:19,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:19,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183352273] [2022-11-19 08:13:19,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183352273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:19,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:19,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:13:19,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291775739] [2022-11-19 08:13:19,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:19,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:13:19,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:19,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:13:19,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:19,017 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand has 4 states, 4 states have (on average 2.25) 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) [2022-11-19 08:13:19,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:19,124 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions. [2022-11-19 08:13:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:13:19,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) 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 [2022-11-19 08:13:19,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:19,126 INFO L225 Difference]: With dead ends: 97 [2022-11-19 08:13:19,127 INFO L226 Difference]: Without dead ends: 57 [2022-11-19 08:13:19,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:19,133 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 65 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:19,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 53 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:19,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-19 08:13:19,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 44. [2022-11-19 08:13:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 43 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2022-11-19 08:13:19,145 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 9 [2022-11-19 08:13:19,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:19,146 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2022-11-19 08:13:19,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) 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) [2022-11-19 08:13:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-11-19 08:13:19,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:13:19,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:19,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:19,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:13:19,149 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:19,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:19,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1409346469, now seen corresponding path program 1 times [2022-11-19 08:13:19,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:19,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982482809] [2022-11-19 08:13:19,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:19,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:19,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:19,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982482809] [2022-11-19 08:13:19,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982482809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:19,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:19,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:13:19,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400224039] [2022-11-19 08:13:19,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:19,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:13:19,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:19,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:13:19,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:13:19,260 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2022-11-19 08:13:19,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:19,393 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2022-11-19 08:13:19,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:13:19,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 [2022-11-19 08:13:19,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:19,396 INFO L225 Difference]: With dead ends: 77 [2022-11-19 08:13:19,396 INFO L226 Difference]: Without dead ends: 73 [2022-11-19 08:13:19,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:13:19,398 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 23 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:19,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 40 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:19,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-19 08:13:19,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62. [2022-11-19 08:13:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 61 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2022-11-19 08:13:19,411 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 9 [2022-11-19 08:13:19,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:19,411 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2022-11-19 08:13:19,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2022-11-19 08:13:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2022-11-19 08:13:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:13:19,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:19,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:19,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:13:19,413 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:19,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:19,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1467256099, now seen corresponding path program 1 times [2022-11-19 08:13:19,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:19,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338066465] [2022-11-19 08:13:19,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:19,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:19,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:19,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:19,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338066465] [2022-11-19 08:13:19,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338066465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:19,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:19,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:13:19,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906324536] [2022-11-19 08:13:19,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:19,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:13:19,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:19,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:13:19,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:19,488 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) 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) [2022-11-19 08:13:19,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:19,640 INFO L93 Difference]: Finished difference Result 84 states and 90 transitions. [2022-11-19 08:13:19,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:13:19,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) 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 11 [2022-11-19 08:13:19,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:19,643 INFO L225 Difference]: With dead ends: 84 [2022-11-19 08:13:19,644 INFO L226 Difference]: Without dead ends: 82 [2022-11-19 08:13:19,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:19,648 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 43 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:19,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 45 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:19,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-19 08:13:19,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 66. [2022-11-19 08:13:19,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.5) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:19,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2022-11-19 08:13:19,672 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 11 [2022-11-19 08:13:19,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:19,672 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2022-11-19 08:13:19,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) 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) [2022-11-19 08:13:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2022-11-19 08:13:19,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 08:13:19,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:19,674 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:19,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:13:19,681 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:19,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:19,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1188104070, now seen corresponding path program 1 times [2022-11-19 08:13:19,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:19,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017233597] [2022-11-19 08:13:19,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:19,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:19,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:19,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017233597] [2022-11-19 08:13:19,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017233597] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:19,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529071672] [2022-11-19 08:13:19,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:19,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:19,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:19,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:19,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:13:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:20,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:13:20,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:20,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:13:20,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:20,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529071672] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:13:20,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1904151963] [2022-11-19 08:13:20,174 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-19 08:13:20,175 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:13:20,179 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:13:20,187 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:13:20,187 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:13:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:20,338 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:13:20,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:13:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:20,381 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 [2022-11-19 08:13:20,464 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:13:21,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1904151963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:21,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:13:21,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 15 [2022-11-19 08:13:21,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124606241] [2022-11-19 08:13:21,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:21,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:13:21,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:21,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:13:21,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:13:21,306 INFO L87 Difference]: Start difference. First operand 66 states and 78 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) [2022-11-19 08:13:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:21,619 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2022-11-19 08:13:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:13:21,620 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 [2022-11-19 08:13:21,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:21,621 INFO L225 Difference]: With dead ends: 85 [2022-11-19 08:13:21,621 INFO L226 Difference]: Without dead ends: 76 [2022-11-19 08:13:21,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:13:21,622 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 128 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:21,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 31 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:13:21,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-19 08:13:21,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 66. [2022-11-19 08:13:21,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 65 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:21,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2022-11-19 08:13:21,652 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 12 [2022-11-19 08:13:21,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:21,653 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2022-11-19 08:13:21,653 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) [2022-11-19 08:13:21,656 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2022-11-19 08:13:21,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 08:13:21,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:21,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:21,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:13:21,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:21,864 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:21,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:21,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1144196077, now seen corresponding path program 1 times [2022-11-19 08:13:21,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:21,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549607177] [2022-11-19 08:13:21,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:21,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:21,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:21,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549607177] [2022-11-19 08:13:21,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549607177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:21,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:21,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:13:21,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592326566] [2022-11-19 08:13:21,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:21,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:13:21,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:21,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:13:21,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:21,961 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:22,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:22,066 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2022-11-19 08:13:22,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:13:22,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-19 08:13:22,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:22,068 INFO L225 Difference]: With dead ends: 82 [2022-11-19 08:13:22,068 INFO L226 Difference]: Without dead ends: 80 [2022-11-19 08:13:22,069 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 [2022-11-19 08:13:22,070 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:22,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 83 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:22,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-19 08:13:22,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2022-11-19 08:13:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.467741935483871) internal successors, (91), 75 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:22,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2022-11-19 08:13:22,103 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 14 [2022-11-19 08:13:22,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:22,105 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2022-11-19 08:13:22,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2022-11-19 08:13:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 08:13:22,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:22,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:22,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:13:22,109 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:22,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:22,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1884773674, now seen corresponding path program 1 times [2022-11-19 08:13:22,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:22,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195624279] [2022-11-19 08:13:22,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:22,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:22,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:22,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195624279] [2022-11-19 08:13:22,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195624279] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:22,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70852647] [2022-11-19 08:13:22,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:22,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:22,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:22,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:22,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:13:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:22,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:13:22,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:22,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:22,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:13:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:22,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70852647] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:13:22,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [54732722] [2022-11-19 08:13:22,418 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-19 08:13:22,420 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:13:22,421 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:13:22,421 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:13:22,422 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:13:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:22,536 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:13:22,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:13:22,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:22,574 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 [2022-11-19 08:13:22,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:22,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:13:23,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:23,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:13:23,288 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:13:26,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [54732722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:26,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:13:26,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5] total 14 [2022-11-19 08:13:26,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018711952] [2022-11-19 08:13:26,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:26,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 08:13:26,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:26,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 08:13:26,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:13:26,362 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:26,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:26,903 INFO L93 Difference]: Finished difference Result 152 states and 176 transitions. [2022-11-19 08:13:26,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 08:13:26,903 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 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 17 [2022-11-19 08:13:26,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:26,904 INFO L225 Difference]: With dead ends: 152 [2022-11-19 08:13:26,905 INFO L226 Difference]: Without dead ends: 104 [2022-11-19 08:13:26,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 8 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:13:26,906 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 140 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:26,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 45 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 08:13:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-19 08:13:26,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2022-11-19 08:13:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 81 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 98 transitions. [2022-11-19 08:13:26,923 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 98 transitions. Word has length 17 [2022-11-19 08:13:26,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:26,924 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 98 transitions. [2022-11-19 08:13:26,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2022-11-19 08:13:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 08:13:26,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:26,926 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:26,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:13:27,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:27,133 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:27,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:27,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1531937506, now seen corresponding path program 1 times [2022-11-19 08:13:27,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:27,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761398004] [2022-11-19 08:13:27,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:27,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:27,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:27,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:27,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761398004] [2022-11-19 08:13:27,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761398004] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:27,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324069651] [2022-11-19 08:13:27,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:27,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:27,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:27,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:27,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:13:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:27,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:13:27,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:27,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:27,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:13:27,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324069651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:27,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:13:27,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-19 08:13:27,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204980916] [2022-11-19 08:13:27,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:27,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:13:27,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:27,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:13:27,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:13:27,404 INFO L87 Difference]: Start difference. First operand 82 states and 98 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:27,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:27,504 INFO L93 Difference]: Finished difference Result 93 states and 105 transitions. [2022-11-19 08:13:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:13:27,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-19 08:13:27,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:27,506 INFO L225 Difference]: With dead ends: 93 [2022-11-19 08:13:27,507 INFO L226 Difference]: Without dead ends: 92 [2022-11-19 08:13:27,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 08:13:27,508 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 65 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:27,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 64 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:27,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-19 08:13:27,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 81. [2022-11-19 08:13:27,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 68 states have (on average 1.411764705882353) internal successors, (96), 80 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:27,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 96 transitions. [2022-11-19 08:13:27,533 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 96 transitions. Word has length 23 [2022-11-19 08:13:27,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:27,533 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 96 transitions. [2022-11-19 08:13:27,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2022-11-19 08:13:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 08:13:27,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:27,535 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:27,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:13:27,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 08:13:27,741 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:27,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:27,742 INFO L85 PathProgramCache]: Analyzing trace with hash -245422336, now seen corresponding path program 1 times [2022-11-19 08:13:27,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:27,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962466205] [2022-11-19 08:13:27,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:27,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:13:27,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:27,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962466205] [2022-11-19 08:13:27,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962466205] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:27,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:27,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:13:27,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096134942] [2022-11-19 08:13:27,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:27,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:13:27,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:27,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:13:27,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:27,796 INFO L87 Difference]: Start difference. First operand 81 states and 96 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:27,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:27,860 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2022-11-19 08:13:27,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:13:27,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2022-11-19 08:13:27,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:27,862 INFO L225 Difference]: With dead ends: 81 [2022-11-19 08:13:27,862 INFO L226 Difference]: Without dead ends: 80 [2022-11-19 08:13:27,863 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 [2022-11-19 08:13:27,864 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 15 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:27,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 56 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:13:27,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-19 08:13:27,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2022-11-19 08:13:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 61 states have (on average 1.360655737704918) internal successors, (83), 72 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:27,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2022-11-19 08:13:27,879 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 24 [2022-11-19 08:13:27,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:27,879 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2022-11-19 08:13:27,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2022-11-19 08:13:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 08:13:27,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:27,881 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:27,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 08:13:27,881 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:27,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:27,882 INFO L85 PathProgramCache]: Analyzing trace with hash 372341227, now seen corresponding path program 1 times [2022-11-19 08:13:27,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:27,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608224185] [2022-11-19 08:13:27,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:27,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:28,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:28,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608224185] [2022-11-19 08:13:28,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608224185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:28,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:28,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:13:28,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599055740] [2022-11-19 08:13:28,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:28,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:13:28,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:28,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:13:28,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:28,009 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:28,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:28,107 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2022-11-19 08:13:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:13:28,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-19 08:13:28,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:28,109 INFO L225 Difference]: With dead ends: 81 [2022-11-19 08:13:28,110 INFO L226 Difference]: Without dead ends: 79 [2022-11-19 08:13:28,110 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 [2022-11-19 08:13:28,111 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 7 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:28,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 54 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:28,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-19 08:13:28,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2022-11-19 08:13:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 74 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2022-11-19 08:13:28,128 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 26 [2022-11-19 08:13:28,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:28,128 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2022-11-19 08:13:28,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2022-11-19 08:13:28,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 08:13:28,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:28,131 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:28,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 08:13:28,131 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:28,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:28,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1562969145, now seen corresponding path program 1 times [2022-11-19 08:13:28,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:28,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323750166] [2022-11-19 08:13:28,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:28,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:28,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:28,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323750166] [2022-11-19 08:13:28,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323750166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:28,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:28,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:13:28,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981556535] [2022-11-19 08:13:28,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:28,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:13:28,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:28,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:13:28,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:28,236 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:28,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:28,335 INFO L93 Difference]: Finished difference Result 79 states and 85 transitions. [2022-11-19 08:13:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:13:28,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-19 08:13:28,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:28,337 INFO L225 Difference]: With dead ends: 79 [2022-11-19 08:13:28,337 INFO L226 Difference]: Without dead ends: 77 [2022-11-19 08:13:28,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:28,340 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 13 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:28,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 44 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:28,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-19 08:13:28,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2022-11-19 08:13:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 74 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2022-11-19 08:13:28,355 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 29 [2022-11-19 08:13:28,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:28,356 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2022-11-19 08:13:28,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2022-11-19 08:13:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 08:13:28,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:28,363 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:28,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 08:13:28,364 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:28,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:28,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1207403151, now seen corresponding path program 1 times [2022-11-19 08:13:28,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:28,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740347940] [2022-11-19 08:13:28,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:28,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:28,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:28,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740347940] [2022-11-19 08:13:28,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740347940] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:28,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076264695] [2022-11-19 08:13:28,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:28,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:28,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:28,519 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:28,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:13:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:28,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 08:13:28,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:28,656 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:28,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:13:28,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076264695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:28,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:13:28,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2022-11-19 08:13:28,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740374627] [2022-11-19 08:13:28,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:28,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:13:28,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:28,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:13:28,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:13:28,660 INFO L87 Difference]: Start difference. First operand 75 states and 83 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:28,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:28,789 INFO L93 Difference]: Finished difference Result 153 states and 167 transitions. [2022-11-19 08:13:28,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:13:28,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-19 08:13:28,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:28,792 INFO L225 Difference]: With dead ends: 153 [2022-11-19 08:13:28,792 INFO L226 Difference]: Without dead ends: 78 [2022-11-19 08:13:28,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:13:28,795 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 74 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:28,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 101 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:28,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-19 08:13:28,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2022-11-19 08:13:28,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 73 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:28,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2022-11-19 08:13:28,813 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 30 [2022-11-19 08:13:28,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:28,813 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2022-11-19 08:13:28,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2022-11-19 08:13:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 08:13:28,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:28,816 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:28,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:13:29,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:29,029 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:29,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:29,030 INFO L85 PathProgramCache]: Analyzing trace with hash -98238649, now seen corresponding path program 1 times [2022-11-19 08:13:29,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:29,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874129576] [2022-11-19 08:13:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:29,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:29,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874129576] [2022-11-19 08:13:29,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874129576] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:29,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181474612] [2022-11-19 08:13:29,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:29,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:29,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:29,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:29,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:13:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:29,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:13:29,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:29,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:13:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:29,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181474612] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:13:29,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [241586415] [2022-11-19 08:13:29,383 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-19 08:13:29,384 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:13:29,384 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:13:29,384 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:13:29,385 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:13:29,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:29,508 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:13:29,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:13:29,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:29,534 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 [2022-11-19 08:13:29,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:29,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:13:29,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:29,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:29,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-11-19 08:13:30,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:30,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:30,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:30,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:30,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:30,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:30,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:30,839 INFO L321 Elim1Store]: treesize reduction 44, result has 49.4 percent of original size [2022-11-19 08:13:30,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 347 treesize of output 395 [2022-11-19 08:13:31,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:31,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:31,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:31,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:31,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:31,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:31,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:31,727 INFO L321 Elim1Store]: treesize reduction 44, result has 49.4 percent of original size [2022-11-19 08:13:31,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 347 treesize of output 395 [2022-11-19 08:13:32,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:32,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:32,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:32,766 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:13:35,438 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3062#(and (not (<= (* 2 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.offset|) (<= |#NULL.offset| 0) (<= ~CELLCOUNT~0 2147483647) (<= 1 ~CELLCOUNT~0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start_main_~DEFAULTVALUE~0#1| 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start_main_~j~0#1| 2) (<= |ULTIMATE.start_main_~MINVAL~0#1| |ULTIMATE.start_main_~j~0#1|) (<= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1073741824) (<= |#NULL.base| 0) (<= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1))' at error location [2022-11-19 08:13:35,439 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:13:35,439 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:13:35,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-19 08:13:35,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75855189] [2022-11-19 08:13:35,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:13:35,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 08:13:35,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:35,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 08:13:35,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2022-11-19 08:13:35,441 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:35,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:35,676 INFO L93 Difference]: Finished difference Result 117 states and 136 transitions. [2022-11-19 08:13:35,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:13:35,677 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 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 33 [2022-11-19 08:13:35,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:35,680 INFO L225 Difference]: With dead ends: 117 [2022-11-19 08:13:35,680 INFO L226 Difference]: Without dead ends: 114 [2022-11-19 08:13:35,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 70 SyntacticMatches, 9 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2022-11-19 08:13:35,682 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 80 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:35,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 61 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:35,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-19 08:13:35,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 107. [2022-11-19 08:13:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 96 states have (on average 1.3229166666666667) internal successors, (127), 106 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 127 transitions. [2022-11-19 08:13:35,701 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 127 transitions. Word has length 33 [2022-11-19 08:13:35,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:35,701 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 127 transitions. [2022-11-19 08:13:35,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:35,702 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions. [2022-11-19 08:13:35,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 08:13:35,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:35,703 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:35,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-19 08:13:35,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-19 08:13:35,909 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:35,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:35,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1249569251, now seen corresponding path program 1 times [2022-11-19 08:13:35,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:35,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166809000] [2022-11-19 08:13:35,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:35,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:36,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:36,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166809000] [2022-11-19 08:13:36,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166809000] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:36,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357540913] [2022-11-19 08:13:36,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:36,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:36,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:36,034 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:36,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:13:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:36,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:13:36,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:36,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:13:36,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357540913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:36,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:13:36,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-19 08:13:36,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370014422] [2022-11-19 08:13:36,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:36,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:13:36,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:36,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:13:36,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:13:36,186 INFO L87 Difference]: Start difference. First operand 107 states and 127 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:36,316 INFO L93 Difference]: Finished difference Result 107 states and 127 transitions. [2022-11-19 08:13:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:13:36,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-19 08:13:36,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:36,320 INFO L225 Difference]: With dead ends: 107 [2022-11-19 08:13:36,320 INFO L226 Difference]: Without dead ends: 104 [2022-11-19 08:13:36,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:13:36,323 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 30 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:36,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 55 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:36,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-19 08:13:36,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-19 08:13:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 96 states have (on average 1.2395833333333333) internal successors, (119), 103 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2022-11-19 08:13:36,341 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 34 [2022-11-19 08:13:36,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:36,343 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2022-11-19 08:13:36,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2022-11-19 08:13:36,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-19 08:13:36,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:36,346 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:36,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-19 08:13:36,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-19 08:13:36,552 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:36,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:36,552 INFO L85 PathProgramCache]: Analyzing trace with hash 81941193, now seen corresponding path program 1 times [2022-11-19 08:13:36,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:36,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48005443] [2022-11-19 08:13:36,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:36,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 08:13:36,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:36,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48005443] [2022-11-19 08:13:36,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48005443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:36,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:36,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:13:36,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347175659] [2022-11-19 08:13:36,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:36,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:13:36,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:36,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:13:36,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:36,611 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:36,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:36,665 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2022-11-19 08:13:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:13:36,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 35 [2022-11-19 08:13:36,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:36,667 INFO L225 Difference]: With dead ends: 106 [2022-11-19 08:13:36,667 INFO L226 Difference]: Without dead ends: 105 [2022-11-19 08:13:36,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:36,668 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 13 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:36,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 41 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:13:36,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-19 08:13:36,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 104. [2022-11-19 08:13:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 96 states have (on average 1.21875) internal successors, (117), 103 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2022-11-19 08:13:36,684 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 35 [2022-11-19 08:13:36,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:36,685 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2022-11-19 08:13:36,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:36,685 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2022-11-19 08:13:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-19 08:13:36,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:36,686 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:36,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 08:13:36,687 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:36,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:36,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1968579866, now seen corresponding path program 1 times [2022-11-19 08:13:36,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:36,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142335589] [2022-11-19 08:13:36,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:36,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:36,790 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 08:13:36,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:36,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142335589] [2022-11-19 08:13:36,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142335589] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:36,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404103853] [2022-11-19 08:13:36,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:36,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:36,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:36,793 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:36,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 08:13:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:36,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:13:36,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 08:13:36,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:13:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 08:13:36,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404103853] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:13:36,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1408926395] [2022-11-19 08:13:36,969 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 08:13:36,969 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:13:36,970 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:13:36,971 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:13:36,972 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:13:37,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:37,110 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:13:37,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:13:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:37,128 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 [2022-11-19 08:13:37,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:37,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:13:37,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:37,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:13:37,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:37,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:37,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:37,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:37,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:37,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:37,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:37,757 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-19 08:13:37,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 604 treesize of output 595 [2022-11-19 08:13:38,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:38,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:38,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:38,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:38,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:39,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:39,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:39,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:40,235 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:13:43,195 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4161#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 2147483646 |ULTIMATE.start_main_#t~post7#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-19 08:13:43,195 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:13:43,195 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:13:43,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-19 08:13:43,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781669541] [2022-11-19 08:13:43,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:13:43,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:13:43,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:43,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:13:43,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=631, Unknown=0, NotChecked=0, Total=756 [2022-11-19 08:13:43,198 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:43,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:43,513 INFO L93 Difference]: Finished difference Result 117 states and 132 transitions. [2022-11-19 08:13:43,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 08:13:43,514 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-19 08:13:43,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:43,515 INFO L225 Difference]: With dead ends: 117 [2022-11-19 08:13:43,515 INFO L226 Difference]: Without dead ends: 116 [2022-11-19 08:13:43,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 73 SyntacticMatches, 12 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=197, Invalid=993, Unknown=0, NotChecked=0, Total=1190 [2022-11-19 08:13:43,518 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 122 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:43,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 95 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:13:43,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-19 08:13:43,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2022-11-19 08:13:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 104 states have (on average 1.2211538461538463) internal successors, (127), 111 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:43,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2022-11-19 08:13:43,539 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 36 [2022-11-19 08:13:43,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:43,539 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2022-11-19 08:13:43,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2022-11-19 08:13:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-19 08:13:43,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:43,541 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:43,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-19 08:13:43,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-19 08:13:43,747 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:43,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:43,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1754790235, now seen corresponding path program 1 times [2022-11-19 08:13:43,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:43,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420835315] [2022-11-19 08:13:43,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:43,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:43,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:43,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420835315] [2022-11-19 08:13:43,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420835315] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:43,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232943116] [2022-11-19 08:13:43,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:43,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:43,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:43,877 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:43,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-19 08:13:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:43,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:13:43,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:44,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:13:44,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232943116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:44,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:13:44,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-19 08:13:44,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188062092] [2022-11-19 08:13:44,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:44,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:13:44,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:44,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:13:44,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:13:44,074 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:44,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:44,245 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2022-11-19 08:13:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:13:44,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-19 08:13:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:44,247 INFO L225 Difference]: With dead ends: 114 [2022-11-19 08:13:44,247 INFO L226 Difference]: Without dead ends: 113 [2022-11-19 08:13:44,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:13:44,248 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 45 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:44,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 61 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:44,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-19 08:13:44,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2022-11-19 08:13:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 104 states have (on average 1.2019230769230769) internal successors, (125), 111 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 125 transitions. [2022-11-19 08:13:44,279 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 125 transitions. Word has length 36 [2022-11-19 08:13:44,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:44,279 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 125 transitions. [2022-11-19 08:13:44,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 125 transitions. [2022-11-19 08:13:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-19 08:13:44,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:44,281 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:44,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-19 08:13:44,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:44,489 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:44,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash 896433838, now seen corresponding path program 1 times [2022-11-19 08:13:44,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:44,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437475870] [2022-11-19 08:13:44,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:44,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 08:13:44,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:44,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437475870] [2022-11-19 08:13:44,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437475870] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:44,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579735784] [2022-11-19 08:13:44,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:44,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:44,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:44,659 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-19 08:13:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:44,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:13:44,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 08:13:44,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:13:44,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579735784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:44,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:13:44,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-19 08:13:44,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936492574] [2022-11-19 08:13:44,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:44,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:13:44,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:44,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:13:44,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:13:44,787 INFO L87 Difference]: Start difference. First operand 112 states and 125 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:44,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:44,895 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2022-11-19 08:13:44,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:13:44,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-19 08:13:44,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:44,897 INFO L225 Difference]: With dead ends: 112 [2022-11-19 08:13:44,897 INFO L226 Difference]: Without dead ends: 111 [2022-11-19 08:13:44,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 08:13:44,899 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 46 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:44,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 48 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:44,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-11-19 08:13:44,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2022-11-19 08:13:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 104 states have (on average 1.1730769230769231) internal successors, (122), 110 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2022-11-19 08:13:44,926 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 37 [2022-11-19 08:13:44,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:44,927 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2022-11-19 08:13:44,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:44,927 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2022-11-19 08:13:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 08:13:44,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:44,928 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:44,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-19 08:13:45,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:45,139 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:45,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:45,140 INFO L85 PathProgramCache]: Analyzing trace with hash 104984720, now seen corresponding path program 1 times [2022-11-19 08:13:45,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:45,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993299084] [2022-11-19 08:13:45,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:45,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 08:13:45,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:45,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993299084] [2022-11-19 08:13:45,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993299084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:45,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:45,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:13:45,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409568492] [2022-11-19 08:13:45,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:45,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:13:45,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:45,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:13:45,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:13:45,202 INFO L87 Difference]: Start difference. First operand 111 states and 122 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:45,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:45,292 INFO L93 Difference]: Finished difference Result 111 states and 122 transitions. [2022-11-19 08:13:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:13:45,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-19 08:13:45,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:45,294 INFO L225 Difference]: With dead ends: 111 [2022-11-19 08:13:45,294 INFO L226 Difference]: Without dead ends: 109 [2022-11-19 08:13:45,295 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 [2022-11-19 08:13:45,296 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 29 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:45,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 27 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:13:45,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-19 08:13:45,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2022-11-19 08:13:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 104 states have (on average 1.1346153846153846) internal successors, (118), 108 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2022-11-19 08:13:45,314 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 44 [2022-11-19 08:13:45,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:45,314 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2022-11-19 08:13:45,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2022-11-19 08:13:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 08:13:45,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:45,316 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:45,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-19 08:13:45,317 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:45,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:45,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1160623534, now seen corresponding path program 2 times [2022-11-19 08:13:45,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:45,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453908819] [2022-11-19 08:13:45,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:45,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:46,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:46,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453908819] [2022-11-19 08:13:46,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453908819] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:46,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395757947] [2022-11-19 08:13:46,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 08:13:46,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:46,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:46,299 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:46,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-19 08:13:46,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-19 08:13:46,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:13:46,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:13:46,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-19 08:13:46,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:13:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-19 08:13:46,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395757947] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:13:46,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1432550810] [2022-11-19 08:13:46,644 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 08:13:46,644 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:13:46,644 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:13:46,645 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:13:46,645 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:13:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:46,776 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-19 08:13:46,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-19 08:13:46,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:46,844 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:13:46,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:13:46,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:46,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:13:47,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:47,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:13:47,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:47,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:47,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:47,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:47,521 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-19 08:13:47,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 594 treesize of output 585 [2022-11-19 08:13:47,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:48,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:48,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:48,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:48,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:48,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:48,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:49,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:49,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:49,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:49,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:49,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:49,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:49,480 INFO L321 Elim1Store]: treesize reduction 44, result has 49.4 percent of original size [2022-11-19 08:13:49,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 348 treesize of output 396 [2022-11-19 08:13:50,226 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:13:54,176 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5768#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 2147483646 |ULTIMATE.start_main_#t~post7#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-19 08:13:54,177 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:13:54,177 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:13:54,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 2, 2] total 18 [2022-11-19 08:13:54,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717016122] [2022-11-19 08:13:54,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:13:54,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-19 08:13:54,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:54,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-19 08:13:54,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=987, Unknown=0, NotChecked=0, Total=1122 [2022-11-19 08:13:54,179 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:54,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:54,911 INFO L93 Difference]: Finished difference Result 126 states and 134 transitions. [2022-11-19 08:13:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-19 08:13:54,912 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 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 45 [2022-11-19 08:13:54,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:54,912 INFO L225 Difference]: With dead ends: 126 [2022-11-19 08:13:54,913 INFO L226 Difference]: Without dead ends: 95 [2022-11-19 08:13:54,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 107 SyntacticMatches, 10 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=252, Invalid=1728, Unknown=0, NotChecked=0, Total=1980 [2022-11-19 08:13:54,915 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 145 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:54,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 73 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:13:54,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-19 08:13:54,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2022-11-19 08:13:54,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 89 states have (on average 1.1123595505617978) internal successors, (99), 92 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:54,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2022-11-19 08:13:54,931 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 45 [2022-11-19 08:13:54,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:54,931 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2022-11-19 08:13:54,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:54,932 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2022-11-19 08:13:54,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 08:13:54,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:54,933 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:54,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-19 08:13:55,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:55,140 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:55,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:55,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1040440888, now seen corresponding path program 1 times [2022-11-19 08:13:55,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:55,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260019893] [2022-11-19 08:13:55,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:55,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-19 08:13:55,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:55,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260019893] [2022-11-19 08:13:55,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260019893] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:55,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098454278] [2022-11-19 08:13:55,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:55,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:55,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:55,252 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:55,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-19 08:13:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:55,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:13:55,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:13:55,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:13:55,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098454278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:55,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:13:55,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2022-11-19 08:13:55,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847835284] [2022-11-19 08:13:55,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:55,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:13:55,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:55,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:13:55,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:13:55,521 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:55,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:55,745 INFO L93 Difference]: Finished difference Result 93 states and 99 transitions. [2022-11-19 08:13:55,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:13:55,745 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-11-19 08:13:55,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:55,746 INFO L225 Difference]: With dead ends: 93 [2022-11-19 08:13:55,747 INFO L226 Difference]: Without dead ends: 91 [2022-11-19 08:13:55,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2022-11-19 08:13:55,748 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 38 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:55,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 50 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:13:55,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-19 08:13:55,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-19 08:13:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 89 states have (on average 1.0674157303370786) internal successors, (95), 90 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 95 transitions. [2022-11-19 08:13:55,781 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 95 transitions. Word has length 45 [2022-11-19 08:13:55,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:55,781 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 95 transitions. [2022-11-19 08:13:55,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:13:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2022-11-19 08:13:55,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-19 08:13:55,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:55,783 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:13:55,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-19 08:13:55,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-19 08:13:55,995 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:13:55,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:55,996 INFO L85 PathProgramCache]: Analyzing trace with hash -522718965, now seen corresponding path program 1 times [2022-11-19 08:13:55,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:55,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130095837] [2022-11-19 08:13:55,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:55,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:56,085 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-19 08:13:56,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:56,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130095837] [2022-11-19 08:13:56,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130095837] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:13:56,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328464789] [2022-11-19 08:13:56,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:56,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:56,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:56,088 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:56,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-19 08:13:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:56,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:13:56,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-19 08:13:56,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:13:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-19 08:13:56,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328464789] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:13:56,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [785851669] [2022-11-19 08:13:56,266 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-19 08:13:56,266 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:13:56,266 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:13:56,267 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:13:56,267 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:13:56,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:56,349 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:13:56,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:13:56,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:56,366 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 [2022-11-19 08:13:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:56,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:13:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:56,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:56,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-11-19 08:13:56,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:56,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:57,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:57,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:57,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:57,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:57,186 INFO L321 Elim1Store]: treesize reduction 44, result has 49.4 percent of original size [2022-11-19 08:13:57,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 347 treesize of output 395 [2022-11-19 08:13:57,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:57,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:57,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:57,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:57,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:57,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:57,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:57,742 INFO L321 Elim1Store]: treesize reduction 44, result has 49.4 percent of original size [2022-11-19 08:13:57,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 347 treesize of output 395 [2022-11-19 08:13:57,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:58,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:58,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-19 08:13:58,481 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:14:01,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [785851669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:01,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:14:01,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5, 5, 5] total 20 [2022-11-19 08:14:01,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554106786] [2022-11-19 08:14:01,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:01,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-19 08:14:01,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:01,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-19 08:14:01,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2022-11-19 08:14:01,313 INFO L87 Difference]: Start difference. First operand 91 states and 95 transitions. Second operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:14:05,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:05,919 INFO L93 Difference]: Finished difference Result 97 states and 101 transitions. [2022-11-19 08:14:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 08:14:05,920 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 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 56 [2022-11-19 08:14:05,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:05,920 INFO L225 Difference]: With dead ends: 97 [2022-11-19 08:14:05,920 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:14:05,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 134 SyntacticMatches, 19 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2022-11-19 08:14:05,925 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 76 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:05,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 0 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:14:05,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:14:05,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:14:05,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:14:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:14:05,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2022-11-19 08:14:05,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:05,927 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:14:05,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:14:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:14:05,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:14:05,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-11-19 08:14:05,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-11-19 08:14:05,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-11-19 08:14:05,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-11-19 08:14:05,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-11-19 08:14:05,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-11-19 08:14:05,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-11-19 08:14:05,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-11-19 08:14:05,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-11-19 08:14:05,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-11-19 08:14:05,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-11-19 08:14:05,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-11-19 08:14:05,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-11-19 08:14:05,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-11-19 08:14:05,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-11-19 08:14:05,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-11-19 08:14:05,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-19 08:14:06,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-19 08:14:06,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:14:10,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-19 08:14:10,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-19 08:14:10,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-19 08:14:10,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-19 08:14:10,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:14:10,457 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-19 08:14:10,457 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 41) no Hoare annotation was computed. [2022-11-19 08:14:10,457 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-11-19 08:14:10,458 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-11-19 08:14:10,458 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 41) the Hoare annotation is: (let ((.cse26 (select |#memory_int| 1)) (.cse25 (select |#memory_int| 2))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse2 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse3 (= (select .cse25 5) 0)) (.cse4 (= 114 (select .cse25 1))) (.cse5 (<= 2 ~CELLCOUNT~0)) (.cse6 (= 2 (select |#length| 1))) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (<= ~CELLCOUNT~0 2147483647)) (.cse9 (= (select .cse25 2) 50)) (.cse10 (= (select |#valid| 1) 1)) (.cse11 (= (select .cse25 4) 99)) (.cse12 (= (select .cse25 0) 110)) (.cse13 (= (select |#valid| 0) 0)) (.cse14 (= (select |#valid| 2) 1)) (.cse15 (= |#NULL.offset| 0)) (.cse16 (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|)) (.cse17 (= (select .cse26 0) 48)) (.cse18 (or (and (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) (= (ite (= (let ((.cse27 (mod ~CELLCOUNT~0 2))) (ite (and (not (= .cse27 0)) (< ~CELLCOUNT~0 0)) (+ (- 2) .cse27) .cse27)) 0) 1 0) |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (and (<= 2 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~j~0#1| 1)))) (.cse19 (= (select .cse26 1) 0)) (.cse20 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse21 (= 46 (select .cse25 3))) (.cse22 (= 6 (select |#length| 2))) (.cse23 (< 0 |#StackHeapBarrier|)) (.cse24 (= |#NULL.base| 0))) (or (and .cse0 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) .cse8 .cse9 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 2) 2)) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse10 .cse11 (<= |ULTIMATE.start_main_~i~0#1| 1073741824) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse18 .cse19 .cse20 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse21 .cse22 .cse23 .cse24) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 0 |ULTIMATE.start_main_~#volArray~0#1.offset|) .cse8 .cse9 (<= |ULTIMATE.start_main_~MINVAL~0#1| 2) .cse10 .cse11 .cse12 .cse13 (<= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) .cse14 .cse15 .cse16 .cse17 .cse18 (<= |ULTIMATE.start_main_~i~0#1| 1) .cse19 (<= 2 |ULTIMATE.start_main_~MINVAL~0#1|) .cse20 .cse21 .cse22 .cse23 .cse24)))) [2022-11-19 08:14:10,458 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 41) no Hoare annotation was computed. [2022-11-19 08:14:10,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-19 08:14:10,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-19 08:14:10,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-19 08:14:10,459 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-19 08:14:10,459 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-19 08:14:10,459 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2022-11-19 08:14:10,459 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2022-11-19 08:14:10,460 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 30 40) no Hoare annotation was computed. [2022-11-19 08:14:10,460 INFO L899 garLoopResultBuilder]: For program point L30-3(line 30) no Hoare annotation was computed. [2022-11-19 08:14:10,460 INFO L899 garLoopResultBuilder]: For program point L30-4(line 30) no Hoare annotation was computed. [2022-11-19 08:14:10,461 INFO L895 garLoopResultBuilder]: At program point L30-5(lines 30 40) the Hoare annotation is: (let ((.cse42 (mod ~CELLCOUNT~0 2))) (let ((.cse38 (and (not (= .cse42 0)) (< ~CELLCOUNT~0 0))) (.cse41 (select |#memory_int| 1)) (.cse39 (div ~CELLCOUNT~0 2)) (.cse40 (select |#memory_int| 2))) (let ((.cse1 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648))) (.cse6 (<= 2 ~CELLCOUNT~0)) (.cse34 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse35 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse36 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse33 (<= |ULTIMATE.start_main_~j~0#1| 1)) (.cse37 (= 2 |ULTIMATE.start_main_~j~0#1|)) (.cse0 (= (select |#length| 3) 12)) (.cse2 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse3 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse4 (= (select .cse40 5) 0)) (.cse5 (= 114 (select .cse40 1))) (.cse7 (= 2 (select |#length| 1))) (.cse8 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse11 (<= ~CELLCOUNT~0 2147483647)) (.cse12 (= (select .cse40 2) 50)) (.cse13 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse14 (= ~CELLCOUNT~0 (* .cse39 2))) (.cse15 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= (select .cse40 4) 99)) (.cse18 (= (select .cse40 0) 110)) (.cse19 (= (select |#valid| 0) 0)) (.cse20 (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0))) (.cse21 (= (select |#valid| 2) 1)) (.cse22 (= |#NULL.offset| 0)) (.cse23 (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|)) (.cse24 (= (select .cse41 0) 48)) (.cse25 (= (ite (= (ite .cse38 (+ (- 2) .cse42) .cse42) 0) 1 0) |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse26 (= (select .cse41 1) 0)) (.cse27 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse28 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse29 (= 46 (select .cse40 3))) (.cse30 (= 6 (select |#length| 2))) (.cse31 (< 0 |#StackHeapBarrier|)) (.cse32 (= |#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 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (<= |ULTIMATE.start_main_~j~0#1| 0)) (and .cse33 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 .cse34 .cse14 .cse15 .cse16 .cse35 .cse17 .cse18 (<= |ULTIMATE.start_main_~i~0#1| 1073741823) .cse19 .cse21 .cse22 .cse23 .cse24 .cse36 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) (and .cse37 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 .cse34 .cse14 .cse15 .cse16 .cse35 (<= (* 2 |ULTIMATE.start_main_~i~0#1|) 2147483647) .cse17 .cse18 .cse19 .cse21 .cse22 .cse23 .cse24 .cse36 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) (and .cse33 .cse0 .cse2 .cse3 (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~#volArray~0#1.base|) (+ |ULTIMATE.start_main_~#volArray~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 8) (- 8)))) .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse7 (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse9 (<= 0 |ULTIMATE.start_main_~#volArray~0#1.offset|) (<= |#NULL.offset| 0) .cse11 .cse12 (<= 1 ~CELLCOUNT~0) (<= |ULTIMATE.start_main_~MINVAL~0#1| 2) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (<= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) .cse20 .cse21 .cse23 .cse24 .cse25 (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~i~0#1| 1) .cse26 (<= 2 |ULTIMATE.start_main_~MINVAL~0#1|) .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) (and .cse37 .cse0 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (<= |ULTIMATE.start_main_~i~0#1| (ite .cse38 (+ .cse39 1) .cse39)) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32))))) [2022-11-19 08:14:10,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2022-11-19 08:14:10,461 INFO L895 garLoopResultBuilder]: At program point L48(lines 13 49) the Hoare annotation is: (or (not (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 2) 2))) (<= ~CELLCOUNT~0 2147483647)) [2022-11-19 08:14:10,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2022-11-19 08:14:10,462 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 39) no Hoare annotation was computed. [2022-11-19 08:14:10,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-19 08:14:10,462 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-19 08:14:10,462 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 47) no Hoare annotation was computed. [2022-11-19 08:14:10,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-19 08:14:10,462 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 47) no Hoare annotation was computed. [2022-11-19 08:14:10,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:14:10,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-19 08:14:10,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-19 08:14:10,463 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-19 08:14:10,463 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2022-11-19 08:14:10,463 INFO L899 garLoopResultBuilder]: For program point L34-2(line 34) no Hoare annotation was computed. [2022-11-19 08:14:10,463 INFO L899 garLoopResultBuilder]: For program point L34-3(line 34) no Hoare annotation was computed. [2022-11-19 08:14:10,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-19 08:14:10,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-19 08:14:10,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-19 08:14:10,464 INFO L899 garLoopResultBuilder]: For program point L43-3(line 43) no Hoare annotation was computed. [2022-11-19 08:14:10,464 INFO L899 garLoopResultBuilder]: For program point L43-4(line 43) no Hoare annotation was computed. [2022-11-19 08:14:10,464 INFO L895 garLoopResultBuilder]: At program point L43-5(lines 43 46) the Hoare annotation is: (let ((.cse29 (select |#memory_int| 1)) (.cse28 (select |#memory_int| 2))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse2 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse3 (= (select .cse28 5) 0)) (.cse4 (= 114 (select .cse28 1))) (.cse5 (<= 2 ~CELLCOUNT~0)) (.cse6 (= 2 (select |#length| 1))) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse9 (<= ~CELLCOUNT~0 2147483647)) (.cse10 (= (select .cse28 2) 50)) (.cse11 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse12 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 2) 2))) (.cse13 (= (select |#valid| 1) 1)) (.cse14 (= (select .cse28 4) 99)) (.cse15 (= (select .cse28 0) 110)) (.cse16 (= (select |#valid| 0) 0)) (.cse17 (= (select |#valid| 2) 1)) (.cse18 (= |#NULL.offset| 0)) (.cse19 (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|)) (.cse20 (= (select .cse29 0) 48)) (.cse21 (= (select .cse29 1) 0)) (.cse22 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse23 (= 46 (select .cse28 3))) (.cse24 (= 6 (select |#length| 2))) (.cse25 (< 0 |#StackHeapBarrier|)) (.cse26 (= |#NULL.base| 0)) (.cse27 (<= |ULTIMATE.start_main_~j~0#1| 0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27) (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27)))) [2022-11-19 08:14:10,467 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:10,470 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:14:10,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:14:10 BoogieIcfgContainer [2022-11-19 08:14:10,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:14:10,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:14:10,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:14:10,519 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:14:10,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:13:16" (3/4) ... [2022-11-19 08:14:10,524 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:14:10,538 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-19 08:14:10,538 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-19 08:14:10,539 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 08:14:10,539 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:14:10,540 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:14:10,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && i <= 1073741824) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && ((((i == 1 && \old(cond) == cond) && !(cond == 0)) && (if (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then -2 + CELLCOUNT % 2 else CELLCOUNT % 2) == 0 then 1 else 0) == \old(cond)) || (2 <= i && j < 1))) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= volArray) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && MINVAL <= 2) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && volArray <= 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && ((((i == 1 && \old(cond) == cond) && !(cond == 0)) && (if (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then -2 + CELLCOUNT % 2 else CELLCOUNT % 2) == 0 then 1 else 0) == \old(cond)) || (2 <= i && j < 1))) && i <= 1) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-19 08:14:10,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && !(cond == 0)) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && (if (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then -2 + CELLCOUNT % 2 else CELLCOUNT % 2) == 0 then 1 else 0) == \old(cond)) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && j <= 0) || ((((((((((((((((((((((((((((((((((j <= 1 && unknown-#length-unknown[3] == 12) && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && i <= 1073741823) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((((2 == j && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && 2 * i <= 2147483647) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((((((((((((((((((((((j <= 1 && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && 2 == unknown-#memory_int-unknown[volArray][volArray + i * 8 + -8]) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && 1 <= j) && \valid[3] == 1) && 0 <= volArray) && #NULL <= 0) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && 1 <= CELLCOUNT) && MINVAL <= 2) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && volArray <= 0) && !(cond == 0)) && \valid[2] == 1) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && (if (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then -2 + CELLCOUNT % 2 else CELLCOUNT % 2) == 0 then 1 else 0) == \old(cond)) && 0 <= #NULL) && i <= 1) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((((((((((((((((2 == j && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && i <= (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then CELLCOUNT / 2 + 1 else CELLCOUNT / 2)) && !(cond == 0)) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && (if (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then -2 + CELLCOUNT % 2 else CELLCOUNT % 2) == 0 then 1 else 0) == \old(cond)) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-19 08:14:10,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:14:10,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:14:10,590 INFO L158 Benchmark]: Toolchain (without parser) took 54855.85ms. Allocated memory was 134.2MB in the beginning and 360.7MB in the end (delta: 226.5MB). Free memory was 94.8MB in the beginning and 306.7MB in the end (delta: -211.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-11-19 08:14:10,590 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:14:10,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.52ms. Allocated memory is still 134.2MB. Free memory was 94.6MB in the beginning and 107.3MB in the end (delta: -12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:14:10,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.18ms. Allocated memory is still 134.2MB. Free memory was 107.3MB in the beginning and 105.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:14:10,591 INFO L158 Benchmark]: Boogie Preprocessor took 35.93ms. Allocated memory is still 134.2MB. Free memory was 105.6MB in the beginning and 103.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:14:10,592 INFO L158 Benchmark]: RCFGBuilder took 647.34ms. Allocated memory is still 134.2MB. Free memory was 103.9MB in the beginning and 87.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 08:14:10,593 INFO L158 Benchmark]: TraceAbstraction took 53551.56ms. Allocated memory was 134.2MB in the beginning and 360.7MB in the end (delta: 226.5MB). Free memory was 86.3MB in the beginning and 309.9MB in the end (delta: -223.5MB). Peak memory consumption was 195.4MB. Max. memory is 16.1GB. [2022-11-19 08:14:10,593 INFO L158 Benchmark]: Witness Printer took 70.77ms. Allocated memory is still 360.7MB. Free memory was 309.9MB in the beginning and 306.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:14:10,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.52ms. Allocated memory is still 134.2MB. Free memory was 94.6MB in the beginning and 107.3MB in the end (delta: -12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.18ms. Allocated memory is still 134.2MB. Free memory was 107.3MB in the beginning and 105.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.93ms. Allocated memory is still 134.2MB. Free memory was 105.6MB in the beginning and 103.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.34ms. Allocated memory is still 134.2MB. Free memory was 103.9MB in the beginning and 87.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 53551.56ms. Allocated memory was 134.2MB in the beginning and 360.7MB in the end (delta: 226.5MB). Free memory was 86.3MB in the beginning and 309.9MB in the end (delta: -223.5MB). Peak memory consumption was 195.4MB. Max. memory is 16.1GB. * Witness Printer took 70.77ms. Allocated memory is still 360.7MB. Free memory was 309.9MB in the beginning and 306.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 53.4s, OverallIterations: 24, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1281 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1281 mSDsluCounter, 1299 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 784 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1967 IncrementalHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 515 mSDtfsCounter, 1967 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 944 GetRequests, 645 SyntacticMatches, 60 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2029 ImplicationChecksByTransitivity, 22.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=18, InterpolantAutomatonStates: 157, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 24 MinimizatonAttempts, 141 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 29 NumberOfFragments, 1624 HoareAnnotationTreeSize, 4 FomulaSimplifications, 500 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3232 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1030 NumberOfCodeBlocks, 994 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1187 ConstructedInterpolants, 0 QuantifiedInterpolants, 3246 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1405 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 42 InterpolantComputations, 18 PerfectInterpolantSequences, 589/692 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: 3.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 60, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 271, TOOLS_POST_TIME: 2.7s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 214, TOOLS_QUANTIFIERELIM_TIME: 2.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 375, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 21, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 60, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 16, LOOP_SUMMARIZER_CACHE_MISSES: 16, LOOP_SUMMARIZER_OVERALL_TIME: 1.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 21, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, 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: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 2890, DAG_COMPRESSION_RETAINED_NODES: 203, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && !(cond == 0)) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && (if (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then -2 + CELLCOUNT % 2 else CELLCOUNT % 2) == 0 then 1 else 0) == \old(cond)) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && j <= 0) || ((((((((((((((((((((((((((((((((((j <= 1 && unknown-#length-unknown[3] == 12) && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && i <= 1073741823) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((((2 == j && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && 2 * i <= 2147483647) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((((((((((((((((((((((j <= 1 && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && 2 == unknown-#memory_int-unknown[volArray][volArray + i * 8 + -8]) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && 1 <= j) && \valid[3] == 1) && 0 <= volArray) && #NULL <= 0) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && 1 <= CELLCOUNT) && MINVAL <= 2) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && volArray <= 0) && !(cond == 0)) && \valid[2] == 1) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && (if (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then -2 + CELLCOUNT % 2 else CELLCOUNT % 2) == 0 then 1 else 0) == \old(cond)) && 0 <= #NULL) && i <= 1) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((((((((((((((((2 == j && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && i <= (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then CELLCOUNT / 2 + 1 else CELLCOUNT / 2)) && !(cond == 0)) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && (if (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then -2 + CELLCOUNT % 2 else CELLCOUNT % 2) == 0 then 1 else 0) == \old(cond)) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && i <= 1073741824) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && ((((i == 1 && \old(cond) == cond) && !(cond == 0)) && (if (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then -2 + CELLCOUNT % 2 else CELLCOUNT % 2) == 0 then 1 else 0) == \old(cond)) || (2 <= i && j < 1))) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 0 <= volArray) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && MINVAL <= 2) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && volArray <= 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && ((((i == 1 && \old(cond) == cond) && !(cond == 0)) && (if (if !(CELLCOUNT % 2 == 0) && CELLCOUNT < 0 then -2 + CELLCOUNT % 2 else CELLCOUNT % 2) == 0 then 1 else 0) == \old(cond)) || (2 <= i && j < 1))) && i <= 1) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: !(CELLCOUNT == CELLCOUNT / 2 * 2) || CELLCOUNT <= 2147483647 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && j <= 0) || ((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && unknown-#memory_int-unknown[2][2] == 50) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && j <= 0) RESULT: Ultimate proved your program to be correct! [2022-11-19 08:14:10,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add90aab-6576-47df-b47f-4b0b2b0783fc/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE