./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:05:17,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:05:17,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:05:17,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:05:17,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:05:17,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:05:17,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:05:17,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:05:17,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:05:17,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:05:17,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:05:17,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:05:17,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:05:17,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:05:17,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:05:17,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:05:17,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:05:17,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:05:17,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:05:17,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:05:17,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:05:17,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:05:17,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:05:17,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:05:17,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:05:17,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:05:17,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:05:17,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:05:17,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:05:17,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:05:17,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:05:17,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:05:17,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:05:17,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:05:17,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:05:17,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:05:17,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:05:17,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:05:17,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:05:17,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:05:17,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:05:17,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-21 01:05:17,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:05:17,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:05:17,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:05:17,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:05:17,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:05:17,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:05:17,360 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:05:17,360 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:05:17,360 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:05:17,361 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:05:17,362 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:05:17,362 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:05:17,362 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:05:17,362 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:05:17,363 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:05:17,363 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:05:17,363 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:05:17,363 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:05:17,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:05:17,364 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:05:17,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:05:17,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:05:17,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:05:17,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:05:17,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:05:17,366 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:05:17,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:05:17,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:05:17,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:05:17,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:05:17,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:05:17,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:05:17,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:05:17,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:05:17,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:05:17,370 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:05:17,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:05:17,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:05:17,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:05:17,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:05:17,371 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 [2021-11-21 01:05:17,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:05:17,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:05:17,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:05:17,705 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:05:17,706 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:05:17,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-11-21 01:05:17,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/data/e5910902c/776ee7f5c4314346878f6f4384c8dc0b/FLAG0d7c70086 [2021-11-21 01:05:18,399 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:05:18,400 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-11-21 01:05:18,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/data/e5910902c/776ee7f5c4314346878f6f4384c8dc0b/FLAG0d7c70086 [2021-11-21 01:05:18,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/data/e5910902c/776ee7f5c4314346878f6f4384c8dc0b [2021-11-21 01:05:18,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:05:18,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:05:18,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:05:18,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:05:18,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:05:18,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:05:18" (1/1) ... [2021-11-21 01:05:18,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678775d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:18, skipping insertion in model container [2021-11-21 01:05:18,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:05:18" (1/1) ... [2021-11-21 01:05:18,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:05:18,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:05:19,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:05:19,562 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:05:19,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:05:19,822 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:05:19,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19 WrapperNode [2021-11-21 01:05:19,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:05:19,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:05:19,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:05:19,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:05:19,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (1/1) ... [2021-11-21 01:05:19,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (1/1) ... [2021-11-21 01:05:19,914 INFO L137 Inliner]: procedures = 524, calls = 68, calls flagged for inlining = 7, calls inlined = 6, statements flattened = 145 [2021-11-21 01:05:19,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:05:19,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:05:19,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:05:19,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:05:19,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (1/1) ... [2021-11-21 01:05:19,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (1/1) ... [2021-11-21 01:05:19,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (1/1) ... [2021-11-21 01:05:19,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (1/1) ... [2021-11-21 01:05:19,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (1/1) ... [2021-11-21 01:05:20,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (1/1) ... [2021-11-21 01:05:20,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (1/1) ... [2021-11-21 01:05:20,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:05:20,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:05:20,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:05:20,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:05:20,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (1/1) ... [2021-11-21 01:05:20,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:05:20,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:20,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:05:20,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:05:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:05:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:05:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-11-21 01:05:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:05:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:05:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:05:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:05:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 01:05:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 01:05:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:05:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:05:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:05:20,429 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:05:20,431 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:05:20,681 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:05:20,721 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:05:20,721 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-21 01:05:20,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:05:20 BoogieIcfgContainer [2021-11-21 01:05:20,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:05:20,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:05:20,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:05:20,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:05:20,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:05:18" (1/3) ... [2021-11-21 01:05:20,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2737126f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:05:20, skipping insertion in model container [2021-11-21 01:05:20,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:19" (2/3) ... [2021-11-21 01:05:20,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2737126f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:05:20, skipping insertion in model container [2021-11-21 01:05:20,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:05:20" (3/3) ... [2021-11-21 01:05:20,734 INFO L111 eAbstractionObserver]: Analyzing ICFG hostid.i [2021-11-21 01:05:20,739 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:05:20,740 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-11-21 01:05:20,785 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:05:20,790 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:05:20,791 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-11-21 01:05:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 30 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 01:05:20,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:20,813 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 01:05:20,813 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:20,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:20,817 INFO L85 PathProgramCache]: Analyzing trace with hash 134862, now seen corresponding path program 1 times [2021-11-21 01:05:20,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:20,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450599196] [2021-11-21 01:05:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:20,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:21,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:21,240 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:21,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450599196] [2021-11-21 01:05:21,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450599196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:21,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:05:21,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 01:05:21,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80877476] [2021-11-21 01:05:21,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:21,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:21,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:21,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:21,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:05:21,282 INFO L87 Difference]: Start difference. First operand has 33 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 30 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:05:21,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:21,354 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2021-11-21 01:05:21,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:21,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-21 01:05:21,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:21,366 INFO L225 Difference]: With dead ends: 65 [2021-11-21 01:05:21,366 INFO L226 Difference]: Without dead ends: 35 [2021-11-21 01:05:21,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:05:21,374 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:21,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:05:21,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-21 01:05:21,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-21 01:05:21,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 32 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:21,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2021-11-21 01:05:21,414 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 3 [2021-11-21 01:05:21,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:21,414 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2021-11-21 01:05:21,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:05:21,415 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2021-11-21 01:05:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 01:05:21,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:21,416 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2021-11-21 01:05:21,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:05:21,417 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:21,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:21,418 INFO L85 PathProgramCache]: Analyzing trace with hash -277248926, now seen corresponding path program 1 times [2021-11-21 01:05:21,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:21,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36756518] [2021-11-21 01:05:21,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:21,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:05:21,553 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:21,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36756518] [2021-11-21 01:05:21,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36756518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:21,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:05:21,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:05:21,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157639173] [2021-11-21 01:05:21,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:21,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:21,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:21,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:21,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:05:21,571 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:05:21,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:21,621 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2021-11-21 01:05:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:21,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-21 01:05:21,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:21,626 INFO L225 Difference]: With dead ends: 35 [2021-11-21 01:05:21,627 INFO L226 Difference]: Without dead ends: 34 [2021-11-21 01:05:21,627 INFO L932 BasicCegarLoop]: 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 [2021-11-21 01:05:21,630 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:21,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 50 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:05:21,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-21 01:05:21,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-11-21 01:05:21,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 31 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:21,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-11-21 01:05:21,648 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 6 [2021-11-21 01:05:21,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:21,649 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-11-21 01:05:21,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:05:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-11-21 01:05:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 01:05:21,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:21,656 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2021-11-21 01:05:21,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:05:21,657 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:21,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:21,660 INFO L85 PathProgramCache]: Analyzing trace with hash -4782069, now seen corresponding path program 1 times [2021-11-21 01:05:21,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:21,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38167676] [2021-11-21 01:05:21,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:21,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:21,836 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:21,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38167676] [2021-11-21 01:05:21,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38167676] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:21,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764577220] [2021-11-21 01:05:21,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:21,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:21,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:21,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:21,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:05:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:22,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:05:22,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:22,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:22,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764577220] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:22,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:05:22,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-11-21 01:05:22,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648319969] [2021-11-21 01:05:22,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:22,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:05:22,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:22,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:05:22,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:22,083 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:05:22,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:22,131 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2021-11-21 01:05:22,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:05:22,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-21 01:05:22,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:22,135 INFO L225 Difference]: With dead ends: 34 [2021-11-21 01:05:22,136 INFO L226 Difference]: Without dead ends: 33 [2021-11-21 01:05:22,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:22,140 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 26 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:22,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 27 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:05:22,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-21 01:05:22,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2021-11-21 01:05:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 28 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2021-11-21 01:05:22,155 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 7 [2021-11-21 01:05:22,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:22,156 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2021-11-21 01:05:22,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:05:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-11-21 01:05:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 01:05:22,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:22,157 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:22,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:22,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:22,379 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:22,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:22,379 INFO L85 PathProgramCache]: Analyzing trace with hash -201735823, now seen corresponding path program 1 times [2021-11-21 01:05:22,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:22,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668182691] [2021-11-21 01:05:22,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:22,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:22,472 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:22,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668182691] [2021-11-21 01:05:22,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668182691] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:22,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369344884] [2021-11-21 01:05:22,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:22,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:22,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:22,474 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:22,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:05:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:22,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:05:22,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:22,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:05:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:22,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369344884] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:05:22,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [127089869] [2021-11-21 01:05:22,675 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-21 01:05:22,675 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:05:22,679 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:05:22,684 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:05:22,685 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:05:22,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:05:22,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:05:22,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:22,965 INFO L354 Elim1Store]: treesize reduction 97, result has 41.6 percent of original size [2021-11-21 01:05:22,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 100 treesize of output 146 [2021-11-21 01:05:23,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2021-11-21 01:05:23,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2021-11-21 01:05:23,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:23,251 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:05:23,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2021-11-21 01:05:23,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:23,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:23,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 30 [2021-11-21 01:05:24,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:24,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-11-21 01:05:24,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-11-21 01:05:24,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:24,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-11-21 01:05:24,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:24,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:24,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:24,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:24,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:24,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 70 [2021-11-21 01:05:24,601 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-21 01:05:24,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2021-11-21 01:05:24,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:05:24,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:24,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 85 [2021-11-21 01:05:24,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:24,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 92 [2021-11-21 01:05:24,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:05:24,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:05:25,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:25,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:25,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:25,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 97 [2021-11-21 01:05:25,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:25,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:25,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:25,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 107 [2021-11-21 01:05:25,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:25,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:26,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:26,616 INFO L354 Elim1Store]: treesize reduction 97, result has 14.2 percent of original size [2021-11-21 01:05:26,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 391 treesize of output 351 [2021-11-21 01:05:26,678 INFO L354 Elim1Store]: treesize reduction 109, result has 19.9 percent of original size [2021-11-21 01:05:26,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 372 treesize of output 365 [2021-11-21 01:05:27,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:27,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:27,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 18 [2021-11-21 01:05:27,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:27,874 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 31 for LOIs [2021-11-21 01:05:27,926 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:05:28,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [127089869] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:28,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:05:28,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 3, 4] total 14 [2021-11-21 01:05:28,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322459646] [2021-11-21 01:05:28,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:28,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-21 01:05:28,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:28,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-21 01:05:28,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:05:28,597 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:28,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:28,969 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2021-11-21 01:05:28,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:05:28,975 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2021-11-21 01:05:28,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:28,976 INFO L225 Difference]: With dead ends: 31 [2021-11-21 01:05:28,977 INFO L226 Difference]: Without dead ends: 27 [2021-11-21 01:05:28,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-11-21 01:05:28,980 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 24 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:28,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 66 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:05:28,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-21 01:05:28,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-21 01:05:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-11-21 01:05:28,988 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 9 [2021-11-21 01:05:28,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:28,988 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-21 01:05:28,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:28,989 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-21 01:05:28,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 01:05:28,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:28,989 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:29,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:29,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:29,206 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:29,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:29,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1596234183, now seen corresponding path program 1 times [2021-11-21 01:05:29,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:29,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809724279] [2021-11-21 01:05:29,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:29,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:29,283 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:29,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809724279] [2021-11-21 01:05:29,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809724279] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:29,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056965373] [2021-11-21 01:05:29,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:29,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:29,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:29,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:29,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:05:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:29,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:05:29,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:05:29,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:29,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056965373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:29,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:05:29,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-21 01:05:29,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4538953] [2021-11-21 01:05:29,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:29,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:29,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:29,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:29,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:29,445 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:29,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:29,488 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2021-11-21 01:05:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:29,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-21 01:05:29,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:29,490 INFO L225 Difference]: With dead ends: 41 [2021-11-21 01:05:29,490 INFO L226 Difference]: Without dead ends: 40 [2021-11-21 01:05:29,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:29,491 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 13 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:29,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 36 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:05:29,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-21 01:05:29,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2021-11-21 01:05:29,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 29 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:29,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2021-11-21 01:05:29,500 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2021-11-21 01:05:29,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:29,501 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-11-21 01:05:29,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:29,501 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2021-11-21 01:05:29,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 01:05:29,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:29,502 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:29,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 01:05:29,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:29,730 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:29,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:29,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1596236546, now seen corresponding path program 1 times [2021-11-21 01:05:29,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:29,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336627192] [2021-11-21 01:05:29,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:29,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:29,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:29,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336627192] [2021-11-21 01:05:29,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336627192] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:29,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153392556] [2021-11-21 01:05:29,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:29,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:29,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:29,799 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:29,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:05:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:29,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:05:29,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:05:29,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:29,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153392556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:29,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:05:29,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-21 01:05:29,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086110403] [2021-11-21 01:05:29,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:29,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:29,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:29,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:29,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:29,938 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:29,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:29,976 INFO L93 Difference]: Finished difference Result 54 states and 69 transitions. [2021-11-21 01:05:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:29,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-21 01:05:29,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:29,979 INFO L225 Difference]: With dead ends: 54 [2021-11-21 01:05:29,979 INFO L226 Difference]: Without dead ends: 38 [2021-11-21 01:05:29,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:29,980 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:29,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:05:29,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-21 01:05:29,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2021-11-21 01:05:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 33 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2021-11-21 01:05:29,990 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 15 [2021-11-21 01:05:29,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:29,990 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2021-11-21 01:05:29,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2021-11-21 01:05:29,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 01:05:29,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:29,992 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:30,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:30,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:30,210 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:30,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:30,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1596155535, now seen corresponding path program 1 times [2021-11-21 01:05:30,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:30,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889437390] [2021-11-21 01:05:30,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:30,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:30,282 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:30,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889437390] [2021-11-21 01:05:30,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889437390] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:30,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099713588] [2021-11-21 01:05:30,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:30,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:30,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:30,285 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:30,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:05:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:30,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:05:30,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:05:30,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:30,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099713588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:30,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:05:30,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-21 01:05:30,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898413899] [2021-11-21 01:05:30,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:30,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:30,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:30,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:30,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:30,433 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:30,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:30,458 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2021-11-21 01:05:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:30,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-21 01:05:30,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:30,460 INFO L225 Difference]: With dead ends: 40 [2021-11-21 01:05:30,460 INFO L226 Difference]: Without dead ends: 39 [2021-11-21 01:05:30,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:30,461 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:30,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:05:30,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-21 01:05:30,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-11-21 01:05:30,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 35 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2021-11-21 01:05:30,469 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 15 [2021-11-21 01:05:30,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:30,470 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2021-11-21 01:05:30,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:30,470 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2021-11-21 01:05:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 01:05:30,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:30,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:30,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:30,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:30,689 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:30,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:30,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2056274705, now seen corresponding path program 1 times [2021-11-21 01:05:30,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:30,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921552688] [2021-11-21 01:05:30,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:30,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:30,752 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:30,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921552688] [2021-11-21 01:05:30,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921552688] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:30,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463752668] [2021-11-21 01:05:30,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:30,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:30,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:30,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:30,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:05:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:30,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:05:30,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:30,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:05:30,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:30,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463752668] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:30,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:05:30,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-21 01:05:30,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107701176] [2021-11-21 01:05:30,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:30,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:30,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:30,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:30,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:30,904 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:30,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:30,930 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2021-11-21 01:05:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:30,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-11-21 01:05:30,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:30,932 INFO L225 Difference]: With dead ends: 45 [2021-11-21 01:05:30,932 INFO L226 Difference]: Without dead ends: 44 [2021-11-21 01:05:30,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:30,933 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 12 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:30,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 39 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:05:30,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-21 01:05:30,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2021-11-21 01:05:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 34 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2021-11-21 01:05:30,954 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 16 [2021-11-21 01:05:30,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:30,954 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2021-11-21 01:05:30,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2021-11-21 01:05:30,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 01:05:30,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:30,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:30,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:31,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:31,178 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:31,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:31,178 INFO L85 PathProgramCache]: Analyzing trace with hash 2058786085, now seen corresponding path program 1 times [2021-11-21 01:05:31,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:31,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698219726] [2021-11-21 01:05:31,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:31,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:05:31,242 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:31,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698219726] [2021-11-21 01:05:31,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698219726] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:31,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357319698] [2021-11-21 01:05:31,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:31,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:31,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:31,244 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:31,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:05:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:31,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:05:31,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:31,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:05:31,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:31,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357319698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:31,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:05:31,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-21 01:05:31,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832080650] [2021-11-21 01:05:31,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:31,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:31,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:31,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:31,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:31,373 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:31,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:31,395 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2021-11-21 01:05:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:31,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-11-21 01:05:31,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:31,396 INFO L225 Difference]: With dead ends: 37 [2021-11-21 01:05:31,396 INFO L226 Difference]: Without dead ends: 36 [2021-11-21 01:05:31,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:31,397 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:31,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 36 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:05:31,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-11-21 01:05:31,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-11-21 01:05:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 33 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2021-11-21 01:05:31,405 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 16 [2021-11-21 01:05:31,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:31,406 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2021-11-21 01:05:31,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2021-11-21 01:05:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 01:05:31,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:31,407 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:31,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:31,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-21 01:05:31,622 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:31,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:31,622 INFO L85 PathProgramCache]: Analyzing trace with hash 395037716, now seen corresponding path program 1 times [2021-11-21 01:05:31,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:31,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810673170] [2021-11-21 01:05:31,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:31,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:05:31,680 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:31,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810673170] [2021-11-21 01:05:31,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810673170] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:31,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641729518] [2021-11-21 01:05:31,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:31,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:31,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:31,682 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:31,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-21 01:05:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:31,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:05:31,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:31,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:05:31,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:31,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641729518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:31,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:05:31,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-21 01:05:31,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968826655] [2021-11-21 01:05:31,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:31,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:31,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:31,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:31,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:31,839 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:31,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:31,868 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2021-11-21 01:05:31,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:31,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-11-21 01:05:31,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:31,869 INFO L225 Difference]: With dead ends: 36 [2021-11-21 01:05:31,870 INFO L226 Difference]: Without dead ends: 35 [2021-11-21 01:05:31,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:31,871 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:31,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 35 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:05:31,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-21 01:05:31,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2021-11-21 01:05:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 30 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2021-11-21 01:05:31,878 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 18 [2021-11-21 01:05:31,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:31,879 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2021-11-21 01:05:31,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:31,879 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2021-11-21 01:05:31,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 01:05:31,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:31,880 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:31,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:32,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:32,106 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:32,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:32,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1486492152, now seen corresponding path program 1 times [2021-11-21 01:05:32,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:32,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127033601] [2021-11-21 01:05:32,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:32,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:05:32,158 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:32,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127033601] [2021-11-21 01:05:32,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127033601] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:32,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946591748] [2021-11-21 01:05:32,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:32,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:32,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:32,161 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:32,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-21 01:05:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:32,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:05:32,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:05:32,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:05:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:05:32,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946591748] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:05:32,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1314868743] [2021-11-21 01:05:32,375 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-21 01:05:32,376 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:05:32,376 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:05:32,376 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:05:32,376 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:05:32,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:05:32,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:05:32,498 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-21 01:05:32,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2021-11-21 01:05:32,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:05:32,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:32,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2021-11-21 01:05:32,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 73 treesize of output 72 [2021-11-21 01:05:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:32,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 85 [2021-11-21 01:05:32,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:32,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 92 [2021-11-21 01:05:32,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:05:32,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:33,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:33,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:33,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:33,320 INFO L354 Elim1Store]: treesize reduction 81, result has 16.5 percent of original size [2021-11-21 01:05:33,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 381 treesize of output 349 [2021-11-21 01:05:33,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:33,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:33,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:33,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 370 [2021-11-21 01:05:33,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:34,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 18 [2021-11-21 01:05:34,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:34,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:34,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:34,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:34,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 18 [2021-11-21 01:05:35,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-21 01:05:35,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-21 01:05:35,823 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:05:35,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:05:35,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-21 01:05:35,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2021-11-21 01:05:35,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-21 01:05:35,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-11-21 01:05:36,084 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 33 for LOIs [2021-11-21 01:05:36,123 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:05:36,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1314868743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:36,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:05:36,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2021-11-21 01:05:36,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479857955] [2021-11-21 01:05:36,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:36,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:05:36,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:36,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:05:36,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-21 01:05:36,571 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 10 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:36,724 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2021-11-21 01:05:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:05:36,725 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-11-21 01:05:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:36,726 INFO L225 Difference]: With dead ends: 39 [2021-11-21 01:05:36,726 INFO L226 Difference]: Without dead ends: 33 [2021-11-21 01:05:36,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-21 01:05:36,727 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 34 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:36,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 45 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:05:36,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-21 01:05:36,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-21 01:05:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.25) internal successors, (35), 30 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:36,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2021-11-21 01:05:36,734 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 18 [2021-11-21 01:05:36,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:36,735 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2021-11-21 01:05:36,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2021-11-21 01:05:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 01:05:36,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:36,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:36,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:36,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:36,950 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:36,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:36,950 INFO L85 PathProgramCache]: Analyzing trace with hash -638659353, now seen corresponding path program 1 times [2021-11-21 01:05:36,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:36,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510230525] [2021-11-21 01:05:36,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:36,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:05:37,005 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:37,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510230525] [2021-11-21 01:05:37,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510230525] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:37,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944829464] [2021-11-21 01:05:37,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:37,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:37,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:37,017 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:37,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-21 01:05:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:37,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:05:37,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:05:37,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:37,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944829464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:37,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:05:37,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-21 01:05:37,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887080454] [2021-11-21 01:05:37,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:37,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:37,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:37,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:37,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:37,177 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:37,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:37,208 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-11-21 01:05:37,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:37,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2021-11-21 01:05:37,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:37,211 INFO L225 Difference]: With dead ends: 33 [2021-11-21 01:05:37,211 INFO L226 Difference]: Without dead ends: 32 [2021-11-21 01:05:37,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:05:37,213 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:37,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 23 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:05:37,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-21 01:05:37,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-21 01:05:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 29 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2021-11-21 01:05:37,222 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 19 [2021-11-21 01:05:37,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:37,225 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2021-11-21 01:05:37,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:05:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2021-11-21 01:05:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 01:05:37,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:37,231 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:05:37,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-21 01:05:37,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-21 01:05:37,454 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:05:37,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:37,454 INFO L85 PathProgramCache]: Analyzing trace with hash 152447887, now seen corresponding path program 1 times [2021-11-21 01:05:37,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:37,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953261987] [2021-11-21 01:05:37,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:37,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 01:05:37,529 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:37,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953261987] [2021-11-21 01:05:37,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953261987] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:37,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309154483] [2021-11-21 01:05:37,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:37,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:37,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:37,532 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:37,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-21 01:05:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:37,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:05:37,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 01:05:37,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:05:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 01:05:37,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309154483] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:05:37,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1028771447] [2021-11-21 01:05:37,797 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-21 01:05:37,798 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:05:37,798 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:05:37,798 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:05:37,799 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:05:37,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:37,940 INFO L354 Elim1Store]: treesize reduction 97, result has 41.6 percent of original size [2021-11-21 01:05:37,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 100 treesize of output 146 [2021-11-21 01:05:38,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2021-11-21 01:05:38,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2021-11-21 01:05:38,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:38,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:38,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-11-21 01:05:38,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:38,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:38,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-11-21 01:05:38,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2021-11-21 01:05:38,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:38,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:38,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 30 [2021-11-21 01:05:39,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:39,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:39,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:39,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:39,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:39,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:39,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 70 [2021-11-21 01:05:39,239 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-21 01:05:39,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2021-11-21 01:05:39,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:05:39,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:05:39,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:05:39,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:05:39,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:39,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 85 [2021-11-21 01:05:39,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:39,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 92 [2021-11-21 01:05:39,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:40,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:40,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:40,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:40,175 INFO L354 Elim1Store]: treesize reduction 81, result has 16.5 percent of original size [2021-11-21 01:05:40,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 385 treesize of output 353 [2021-11-21 01:05:40,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:40,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:40,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:40,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 374 treesize of output 374 [2021-11-21 01:05:40,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:41,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:41,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:41,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 18 [2021-11-21 01:05:41,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 18 [2021-11-21 01:05:41,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:41,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:05:42,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-21 01:05:42,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-21 01:05:42,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-21 01:05:42,538 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:05:42,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:05:42,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-11-21 01:05:42,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-21 01:05:42,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2021-11-21 01:05:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:42,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:42,893 INFO L354 Elim1Store]: treesize reduction 534, result has 6.0 percent of original size [2021-11-21 01:05:42,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 536 treesize of output 382 [2021-11-21 01:05:42,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:42,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:42,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 232 [2021-11-21 01:05:42,967 INFO L354 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2021-11-21 01:05:42,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 229 treesize of output 248 [2021-11-21 01:05:43,005 INFO L354 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2021-11-21 01:05:43,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 239 treesize of output 244 [2021-11-21 01:05:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:43,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 202 [2021-11-21 01:05:43,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:43,244 INFO L354 Elim1Store]: treesize reduction 210, result has 13.9 percent of original size [2021-11-21 01:05:43,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 291 treesize of output 195 [2021-11-21 01:05:43,275 INFO L354 Elim1Store]: treesize reduction 45, result has 25.0 percent of original size [2021-11-21 01:05:43,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 232 treesize of output 223 [2021-11-21 01:05:43,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:43,316 INFO L354 Elim1Store]: treesize reduction 198, result has 14.7 percent of original size [2021-11-21 01:05:43,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 239 treesize of output 207 [2021-11-21 01:05:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:44,100 INFO L354 Elim1Store]: treesize reduction 210, result has 13.9 percent of original size [2021-11-21 01:05:44,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 227 [2021-11-21 01:05:44,145 INFO L354 Elim1Store]: treesize reduction 128, result has 23.4 percent of original size [2021-11-21 01:05:44,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 280 treesize of output 254 [2021-11-21 01:05:44,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:44,196 INFO L354 Elim1Store]: treesize reduction 198, result has 14.7 percent of original size [2021-11-21 01:05:44,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 287 treesize of output 239 [2021-11-21 01:05:45,627 INFO L354 Elim1Store]: treesize reduction 266, result has 11.3 percent of original size [2021-11-21 01:05:45,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 683 treesize of output 475 [2021-11-21 01:05:45,720 INFO L354 Elim1Store]: treesize reduction 254, result has 11.8 percent of original size [2021-11-21 01:05:45,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 624 treesize of output 560 [2021-11-21 01:05:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:45,777 INFO L354 Elim1Store]: treesize reduction 298, result has 16.8 percent of original size [2021-11-21 01:05:45,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 565 treesize of output 490 [2021-11-21 01:05:46,810 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:05:46,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:05:46,831 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:05:46,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:05:46,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 66 [2021-11-21 01:05:47,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:47,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:47,511 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-21 01:05:47,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 486 treesize of output 329 [2021-11-21 01:05:47,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:47,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:47,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:47,572 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:05:47,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 268 treesize of output 179 [2021-11-21 01:05:47,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:47,629 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:05:47,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 205 treesize of output 147 [2021-11-21 01:05:47,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 125 [2021-11-21 01:05:47,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 122 treesize of output 121 [2021-11-21 01:05:47,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:47,886 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:05:47,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 269 treesize of output 170 [2021-11-21 01:05:47,906 INFO L354 Elim1Store]: treesize reduction 45, result has 25.0 percent of original size [2021-11-21 01:05:47,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 201 [2021-11-21 01:05:47,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:47,931 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:05:47,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 217 treesize of output 182 [2021-11-21 01:05:48,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:48,333 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:05:48,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 305 treesize of output 190 [2021-11-21 01:05:48,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:48,377 INFO L354 Elim1Store]: treesize reduction 94, result has 26.0 percent of original size [2021-11-21 01:05:48,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 246 treesize of output 226 [2021-11-21 01:05:48,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:48,417 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:05:48,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 253 treesize of output 218 [2021-11-21 01:05:49,121 INFO L354 Elim1Store]: treesize reduction 160, result has 12.6 percent of original size [2021-11-21 01:05:49,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 521 treesize of output 318 [2021-11-21 01:05:49,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:49,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:49,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:49,170 INFO L354 Elim1Store]: treesize reduction 144, result has 25.8 percent of original size [2021-11-21 01:05:49,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 462 treesize of output 391 [2021-11-21 01:05:49,212 INFO L354 Elim1Store]: treesize reduction 152, result has 13.1 percent of original size [2021-11-21 01:05:49,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 469 treesize of output 418 [2021-11-21 01:05:49,900 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:05:49,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:05:49,922 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:05:49,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:05:49,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 66 [2021-11-21 01:05:50,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:50,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:50,587 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-21 01:05:50,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 486 treesize of output 329 [2021-11-21 01:05:50,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:50,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:50,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:50,627 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:05:50,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 268 treesize of output 179 [2021-11-21 01:05:50,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:50,662 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-11-21 01:05:50,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 180 treesize of output 148 [2021-11-21 01:05:50,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 148 treesize of output 147 [2021-11-21 01:05:50,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 136 [2021-11-21 01:05:50,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:50,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 124 [2021-11-21 01:05:50,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:50,950 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:05:50,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 269 treesize of output 170 [2021-11-21 01:05:50,978 INFO L354 Elim1Store]: treesize reduction 45, result has 25.0 percent of original size [2021-11-21 01:05:50,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 201 [2021-11-21 01:05:50,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:51,018 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:05:51,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 217 treesize of output 182 [2021-11-21 01:05:51,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:51,744 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:05:51,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 317 treesize of output 202 [2021-11-21 01:05:51,813 INFO L354 Elim1Store]: treesize reduction 128, result has 23.4 percent of original size [2021-11-21 01:05:51,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 232 [2021-11-21 01:05:51,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:51,854 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:05:51,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 265 treesize of output 214 [2021-11-21 01:05:52,359 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:05:52,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:05:52,395 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:05:52,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:05:52,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 72 treesize of output 68 [2021-11-21 01:05:53,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:53,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:53,140 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-21 01:05:53,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 486 treesize of output 329 [2021-11-21 01:05:53,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:53,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:53,187 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:05:53,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 268 treesize of output 179 [2021-11-21 01:05:53,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 168 [2021-11-21 01:05:53,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:53,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:53,237 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:05:53,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 133 [2021-11-21 01:05:53,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 122 treesize of output 121 [2021-11-21 01:05:53,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:53,431 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:05:53,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 269 treesize of output 170 [2021-11-21 01:05:53,459 INFO L354 Elim1Store]: treesize reduction 45, result has 25.0 percent of original size [2021-11-21 01:05:53,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 201 [2021-11-21 01:05:53,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:53,489 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:05:53,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 217 treesize of output 182 [2021-11-21 01:05:54,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:54,085 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:05:54,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 317 treesize of output 202 [2021-11-21 01:05:54,136 INFO L354 Elim1Store]: treesize reduction 128, result has 23.4 percent of original size [2021-11-21 01:05:54,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 232 [2021-11-21 01:05:54,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:54,172 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:05:54,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 265 treesize of output 214 [2021-11-21 01:05:54,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:54,848 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:05:54,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 511 treesize of output 308 [2021-11-21 01:05:54,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:54,949 INFO L354 Elim1Store]: treesize reduction 563, result has 12.0 percent of original size [2021-11-21 01:05:54,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 452 treesize of output 394 [2021-11-21 01:05:54,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:55,005 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:05:55,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 459 treesize of output 392 [2021-11-21 01:05:55,729 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:05:55,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:05:55,764 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:05:55,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:05:55,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 66 [2021-11-21 01:05:56,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:56,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:56,489 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-21 01:05:56,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 486 treesize of output 329 [2021-11-21 01:05:56,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:56,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:56,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:56,517 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:05:56,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 268 treesize of output 179 [2021-11-21 01:05:56,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:56,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:05:56,561 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:05:56,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 205 treesize of output 147 [2021-11-21 01:05:56,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 125 [2021-11-21 01:05:56,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 122 treesize of output 121 [2021-11-21 01:05:56,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:56,764 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:05:56,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 269 treesize of output 170 [2021-11-21 01:05:56,782 INFO L354 Elim1Store]: treesize reduction 45, result has 25.0 percent of original size [2021-11-21 01:05:56,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 201 [2021-11-21 01:05:56,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:56,810 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:05:56,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 217 treesize of output 182 [2021-11-21 01:05:57,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:57,317 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:05:57,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 323 treesize of output 208 [2021-11-21 01:05:57,350 INFO L354 Elim1Store]: treesize reduction 220, result has 16.0 percent of original size [2021-11-21 01:05:57,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 264 treesize of output 235 [2021-11-21 01:05:57,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:57,394 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:05:57,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 271 treesize of output 220 [2021-11-21 01:05:57,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:58,023 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:05:58,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 551 treesize of output 348 [2021-11-21 01:05:58,086 INFO L354 Elim1Store]: treesize reduction 576, result has 14.0 percent of original size [2021-11-21 01:05:58,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 492 treesize of output 411 [2021-11-21 01:05:58,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:05:58,117 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:05:58,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 499 treesize of output 400 [2021-11-21 01:05:58,681 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:05:58,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:05:58,712 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:05:58,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:05:58,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 66 [2021-11-21 01:05:59,616 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:05:59,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:05:59,650 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:05:59,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:05:59,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 66 [2021-11-21 01:05:59,762 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 33 for LOIs [2021-11-21 01:05:59,799 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:06:01,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1028771447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:06:01,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:06:01,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 3, 4] total 20 [2021-11-21 01:06:01,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834987490] [2021-11-21 01:06:01,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:06:01,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-21 01:06:01,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:06:01,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-21 01:06:01,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-11-21 01:06:01,059 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 15 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:06:02,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:06:02,718 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2021-11-21 01:06:02,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-21 01:06:02,718 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-11-21 01:06:02,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:06:02,719 INFO L225 Difference]: With dead ends: 32 [2021-11-21 01:06:02,719 INFO L226 Difference]: Without dead ends: 31 [2021-11-21 01:06:02,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2021-11-21 01:06:02,720 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 38 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:06:02,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 22 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:06:02,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-21 01:06:02,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2021-11-21 01:06:02,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:06:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2021-11-21 01:06:02,724 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 25 [2021-11-21 01:06:02,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:06:02,725 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2021-11-21 01:06:02,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:06:02,725 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-11-21 01:06:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 01:06:02,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:06:02,726 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:06:02,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-21 01:06:02,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-21 01:06:02,930 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-21 01:06:02,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:06:02,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1729084344, now seen corresponding path program 1 times [2021-11-21 01:06:02,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:06:02,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480201492] [2021-11-21 01:06:02,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:02,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:06:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:06:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 01:06:02,972 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:06:02,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480201492] [2021-11-21 01:06:02,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480201492] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:06:02,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791439697] [2021-11-21 01:06:02,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:02,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:06:02,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:06:02,973 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:06:03,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-21 01:06:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:06:03,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:06:03,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:06:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 01:06:03,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:06:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 01:06:03,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791439697] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:06:03,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [966783650] [2021-11-21 01:06:03,204 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2021-11-21 01:06:03,204 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:06:03,205 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:06:03,205 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:06:03,205 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:06:03,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:06:03,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:06:03,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:03,347 INFO L354 Elim1Store]: treesize reduction 97, result has 41.6 percent of original size [2021-11-21 01:06:03,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 100 treesize of output 146 [2021-11-21 01:06:03,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:03,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:03,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:03,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:03,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:03,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:03,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 125 [2021-11-21 01:06:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:03,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:03,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 191 [2021-11-21 01:06:04,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:04,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 94 [2021-11-21 01:06:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:04,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:04,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:04,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 77 [2021-11-21 01:06:04,380 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:06:04,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 223 treesize of output 229 [2021-11-21 01:06:04,967 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-21 01:06:04,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2021-11-21 01:06:05,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:06:05,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:06:05,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:05,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 141 [2021-11-21 01:06:05,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:05,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2021-11-21 01:06:05,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:06:05,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:06:05,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 18 [2021-11-21 01:06:05,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:06:05,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 18 [2021-11-21 01:06:06,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:06:06,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:06:06,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-21 01:06:06,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-21 01:06:06,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2021-11-21 01:06:06,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-21 01:06:06,819 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:06:06,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:06:06,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-21 01:06:06,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-11-21 01:06:06,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:07,059 INFO L354 Elim1Store]: treesize reduction 534, result has 6.0 percent of original size [2021-11-21 01:06:07,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 536 treesize of output 382 [2021-11-21 01:06:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:07,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:07,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 232 [2021-11-21 01:06:07,134 INFO L354 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2021-11-21 01:06:07,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 229 treesize of output 248 [2021-11-21 01:06:07,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:07,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:07,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 203 [2021-11-21 01:06:07,208 INFO L354 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2021-11-21 01:06:07,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 181 treesize of output 186 [2021-11-21 01:06:07,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:07,542 INFO L354 Elim1Store]: treesize reduction 210, result has 13.9 percent of original size [2021-11-21 01:06:07,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 291 treesize of output 195 [2021-11-21 01:06:07,570 INFO L354 Elim1Store]: treesize reduction 45, result has 25.0 percent of original size [2021-11-21 01:06:07,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 232 treesize of output 223 [2021-11-21 01:06:07,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:07,619 INFO L354 Elim1Store]: treesize reduction 198, result has 14.7 percent of original size [2021-11-21 01:06:07,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 239 treesize of output 207 [2021-11-21 01:06:08,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:08,361 INFO L354 Elim1Store]: treesize reduction 210, result has 13.9 percent of original size [2021-11-21 01:06:08,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 327 treesize of output 215 [2021-11-21 01:06:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:08,397 INFO L354 Elim1Store]: treesize reduction 94, result has 26.0 percent of original size [2021-11-21 01:06:08,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 268 treesize of output 248 [2021-11-21 01:06:08,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:08,451 INFO L354 Elim1Store]: treesize reduction 198, result has 14.7 percent of original size [2021-11-21 01:06:08,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 275 treesize of output 243 [2021-11-21 01:06:09,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:09,512 INFO L354 Elim1Store]: treesize reduction 254, result has 11.8 percent of original size [2021-11-21 01:06:09,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 657 treesize of output 449 [2021-11-21 01:06:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:09,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:09,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:09,594 INFO L354 Elim1Store]: treesize reduction 529, result has 14.7 percent of original size [2021-11-21 01:06:09,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 598 treesize of output 550 [2021-11-21 01:06:09,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:09,648 INFO L354 Elim1Store]: treesize reduction 242, result has 12.3 percent of original size [2021-11-21 01:06:09,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 605 treesize of output 533 [2021-11-21 01:06:10,777 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:06:10,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:06:10,805 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:06:10,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:06:10,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 66 [2021-11-21 01:06:11,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:11,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:11,527 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-21 01:06:11,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 486 treesize of output 329 [2021-11-21 01:06:11,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:11,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:11,554 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:06:11,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 268 treesize of output 179 [2021-11-21 01:06:11,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:11,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:11,580 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:06:11,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 205 treesize of output 147 [2021-11-21 01:06:11,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 125 [2021-11-21 01:06:11,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 122 treesize of output 121 [2021-11-21 01:06:11,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:11,744 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:11,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 269 treesize of output 170 [2021-11-21 01:06:11,774 INFO L354 Elim1Store]: treesize reduction 85, result has 15.0 percent of original size [2021-11-21 01:06:11,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 201 [2021-11-21 01:06:11,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:11,806 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:11,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 217 treesize of output 182 [2021-11-21 01:06:12,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:12,282 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:12,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 323 treesize of output 208 [2021-11-21 01:06:12,323 INFO L354 Elim1Store]: treesize reduction 200, result has 17.4 percent of original size [2021-11-21 01:06:12,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 264 treesize of output 235 [2021-11-21 01:06:12,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:12,356 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:12,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 271 treesize of output 220 [2021-11-21 01:06:13,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:13,087 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:13,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 551 treesize of output 348 [2021-11-21 01:06:13,133 INFO L354 Elim1Store]: treesize reduction 346, result has 16.4 percent of original size [2021-11-21 01:06:13,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 492 treesize of output 385 [2021-11-21 01:06:13,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:13,186 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:13,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 499 treesize of output 400 [2021-11-21 01:06:13,939 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:06:13,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:06:13,963 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:06:13,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:06:13,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 66 [2021-11-21 01:06:14,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:14,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:14,606 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-21 01:06:14,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 486 treesize of output 329 [2021-11-21 01:06:14,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:14,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:14,639 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:06:14,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 268 treesize of output 179 [2021-11-21 01:06:14,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 179 treesize of output 178 [2021-11-21 01:06:14,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:14,680 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:06:14,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 204 treesize of output 146 [2021-11-21 01:06:14,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 124 [2021-11-21 01:06:14,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:14,967 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:14,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 269 treesize of output 170 [2021-11-21 01:06:14,989 INFO L354 Elim1Store]: treesize reduction 85, result has 15.0 percent of original size [2021-11-21 01:06:14,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 201 [2021-11-21 01:06:14,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:15,024 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:15,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 217 treesize of output 182 [2021-11-21 01:06:15,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:15,700 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:15,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 301 treesize of output 186 [2021-11-21 01:06:15,725 INFO L354 Elim1Store]: treesize reduction 88, result has 26.1 percent of original size [2021-11-21 01:06:15,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 242 treesize of output 224 [2021-11-21 01:06:15,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:15,752 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:15,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 249 treesize of output 214 [2021-11-21 01:06:16,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:16,271 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:16,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 511 treesize of output 308 [2021-11-21 01:06:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:16,363 INFO L354 Elim1Store]: treesize reduction 467, result has 9.8 percent of original size [2021-11-21 01:06:16,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 452 treesize of output 368 [2021-11-21 01:06:16,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:16,394 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:16,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 441 treesize of output 390 [2021-11-21 01:06:17,005 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:06:17,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:06:17,035 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:06:17,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:06:17,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 66 [2021-11-21 01:06:17,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:17,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:17,737 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-21 01:06:17,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 486 treesize of output 329 [2021-11-21 01:06:17,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:17,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:17,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,783 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:06:17,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 268 treesize of output 179 [2021-11-21 01:06:17,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 168 [2021-11-21 01:06:17,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:17,832 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:06:17,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 133 [2021-11-21 01:06:17,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 122 treesize of output 121 [2021-11-21 01:06:17,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:17,997 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:17,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 269 treesize of output 170 [2021-11-21 01:06:18,021 INFO L354 Elim1Store]: treesize reduction 85, result has 15.0 percent of original size [2021-11-21 01:06:18,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 201 [2021-11-21 01:06:18,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:18,055 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:18,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 217 treesize of output 182 [2021-11-21 01:06:18,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:18,595 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:18,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 301 treesize of output 186 [2021-11-21 01:06:18,634 INFO L354 Elim1Store]: treesize reduction 128, result has 19.5 percent of original size [2021-11-21 01:06:18,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 242 treesize of output 224 [2021-11-21 01:06:18,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:18,672 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:18,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 249 treesize of output 214 [2021-11-21 01:06:19,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:19,387 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:19,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 493 treesize of output 290 [2021-11-21 01:06:19,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:19,428 INFO L354 Elim1Store]: treesize reduction 188, result has 20.3 percent of original size [2021-11-21 01:06:19,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 434 treesize of output 365 [2021-11-21 01:06:19,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:19,464 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:19,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 441 treesize of output 390 [2021-11-21 01:06:20,184 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:06:20,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:06:20,207 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:06:20,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:06:20,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 66 [2021-11-21 01:06:21,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2021-11-21 01:06:21,859 INFO L354 Elim1Store]: treesize reduction 58, result has 19.4 percent of original size [2021-11-21 01:06:21,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2021-11-21 01:06:22,813 INFO L354 Elim1Store]: treesize reduction 93, result has 45.0 percent of original size [2021-11-21 01:06:22,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 179 [2021-11-21 01:06:23,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2021-11-21 01:06:24,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2021-11-21 01:06:25,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:25,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:25,992 INFO L354 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2021-11-21 01:06:25,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 486 treesize of output 329 [2021-11-21 01:06:26,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:26,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:26,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:26,035 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:06:26,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 268 treesize of output 179 [2021-11-21 01:06:26,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:26,063 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:06:26,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 205 treesize of output 147 [2021-11-21 01:06:26,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 125 [2021-11-21 01:06:26,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 122 treesize of output 121 [2021-11-21 01:06:26,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:26,298 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:26,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 269 treesize of output 170 [2021-11-21 01:06:26,322 INFO L354 Elim1Store]: treesize reduction 45, result has 25.0 percent of original size [2021-11-21 01:06:26,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 201 [2021-11-21 01:06:26,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:26,351 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:26,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 217 treesize of output 182 [2021-11-21 01:06:26,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:26,799 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:26,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 301 treesize of output 186 [2021-11-21 01:06:26,827 INFO L354 Elim1Store]: treesize reduction 88, result has 26.1 percent of original size [2021-11-21 01:06:26,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 242 treesize of output 224 [2021-11-21 01:06:26,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:26,872 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:26,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 249 treesize of output 214 [2021-11-21 01:06:27,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:27,468 INFO L354 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2021-11-21 01:06:27,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 511 treesize of output 308 [2021-11-21 01:06:27,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:06:27,509 INFO L354 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2021-11-21 01:06:27,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 452 treesize of output 393 [2021-11-21 01:06:27,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:06:27,578 INFO L354 Elim1Store]: treesize reduction 551, result has 13.9 percent of original size [2021-11-21 01:06:27,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 393 treesize of output 347 [2021-11-21 01:06:28,148 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:06:28,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:06:28,174 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:06:28,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:06:28,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 72 treesize of output 68 [2021-11-21 01:06:28,904 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2021-11-21 01:06:28,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2021-11-21 01:06:28,934 INFO L354 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2021-11-21 01:06:28,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 88 [2021-11-21 01:06:28,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 66 [2021-11-21 01:06:29,046 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 33 for LOIs [2021-11-21 01:06:29,089 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:06:31,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [966783650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:06:31,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:06:31,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 3, 4] total 23 [2021-11-21 01:06:31,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285447863] [2021-11-21 01:06:31,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:06:31,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-21 01:06:31,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:06:31,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-21 01:06:31,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2021-11-21 01:06:31,709 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:06:35,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:06:35,604 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2021-11-21 01:06:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-21 01:06:35,605 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-11-21 01:06:35,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:06:35,605 INFO L225 Difference]: With dead ends: 26 [2021-11-21 01:06:35,605 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 01:06:35,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=137, Invalid=793, Unknown=0, NotChecked=0, Total=930 [2021-11-21 01:06:35,607 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:06:35,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 1 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-21 01:06:35,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 01:06:35,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 01:06:35,608 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) [2021-11-21 01:06:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 01:06:35,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-11-21 01:06:35,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:06:35,609 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 01:06:35,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:06:35,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 01:06:35,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 01:06:35,612 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2021-11-21 01:06:35,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2021-11-21 01:06:35,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2021-11-21 01:06:35,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2021-11-21 01:06:35,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2021-11-21 01:06:35,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2021-11-21 01:06:35,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2021-11-21 01:06:35,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2021-11-21 01:06:35,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2021-11-21 01:06:35,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2021-11-21 01:06:35,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2021-11-21 01:06:35,615 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2021-11-21 01:06:35,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-21 01:06:35,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-21 01:06:35,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-21 01:06:37,275 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2021-11-21 01:06:37,275 INFO L858 garLoopResultBuilder]: For program point L1889-2(lines 1889 1896) no Hoare annotation was computed. [2021-11-21 01:06:37,276 INFO L858 garLoopResultBuilder]: For program point L1889-3(line 1889) no Hoare annotation was computed. [2021-11-21 01:06:37,276 INFO L854 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= ~bb_errno_location~0 2147483647) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 0 (+ ~bb_errno_location~0 2147483648)) (<= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) (<= |~#dummy_utmp~0.base| 4) (<= |#NULL.offset| 0) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (<= 4 |~#dummy_utmp~0.base|) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (<= 0 |~#dummy_utmp~0.offset|) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) [2021-11-21 01:06:37,277 INFO L854 garLoopResultBuilder]: At program point L1889-4(lines 1889 1896) the Hoare annotation is: (let ((.cse24 (+ 8 (* 8 |ULTIMATE.start_main_~argc~0#1|)))) (let ((.cse0 (= ~optind~0 1)) (.cse1 (<= ~bb_errno_location~0 2147483647)) (.cse2 (not (= |ULTIMATE.start_main_~argv~0#1.base| 0))) (.cse3 (<= 0 (+ ~bb_errno_location~0 2147483648))) (.cse4 (<= |~#dummy_utmp~0.offset| 0)) (.cse5 (<= 0 ~applet_name~0.offset)) (.cse6 (= (select |#valid| |ULTIMATE.start_main_~argv~0#1.base|) 1)) (.cse7 (<= |~#dummy_utmp~0.base| 4)) (.cse8 (= (select |#length| |ULTIMATE.start_main_~argv~0#1.base|) .cse24)) (.cse9 (<= 1 |ULTIMATE.start_main_~argc~0#1|)) (.cse10 (<= |#NULL.offset| 0)) (.cse11 (< |ULTIMATE.start_main_~argv~0#1.base| |#StackHeapBarrier|)) (.cse12 (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|)) (.cse13 (<= 4 |~#dummy_utmp~0.base|)) (.cse14 (<= |ULTIMATE.start_main_~i~3#1| 2147483647)) (.cse15 (= |ULTIMATE.start_main_~argv~0#1.offset| 0)) (.cse16 (<= 0 |~#dummy_utmp~0.offset|)) (.cse17 (<= 10 |ULTIMATE.start_main_~i~3#1|)) (.cse18 (<= 0 |#NULL.offset|)) (.cse19 (<= |ULTIMATE.start_main_~argc~0#1| 10000)) (.cse20 (<= 0 |#StackHeapBarrier|)) (.cse21 (<= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse22 (= |#NULL.base| 0))) (or (and .cse0 (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) .cse1 .cse2 (<= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= 0 |ULTIMATE.start_main_~mem_track~0#1.offset|) (<= 10 |ULTIMATE.start_main_~j~0#1|) .cse11 .cse12 (<= 1 |ULTIMATE.start_main_~i~4#1|) (<= ~applet_name~0.offset 0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) (let ((.cse23 (+ (* |ULTIMATE.start_main_~argc~0#1| 8) |ULTIMATE.start_main_~argv~0#1.offset|))) (and .cse0 .cse1 (= |ULTIMATE.start_main_~i~4#1| 0) (< |ULTIMATE.start_main_~mem_track~0#1.base| |#StackHeapBarrier|) .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) .cse5 (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~argv~0#1.base|) .cse23) 0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= (select |#length| |ULTIMATE.start_main_~mem_track~0#1.base|) .cse24) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (= (select |#valid| |ULTIMATE.start_main_~mem_track~0#1.base|) 1) (not (= |ULTIMATE.start_main_~mem_track~0#1.base| 0)) .cse19 (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~argv~0#1.base|) .cse23) 0) .cse20 .cse21 (not (= |ULTIMATE.start_main_~argv~0#1.base| |ULTIMATE.start_main_~mem_track~0#1.base|)) .cse22))))) [2021-11-21 01:06:37,277 INFO L858 garLoopResultBuilder]: For program point L1885-1(line 1885) no Hoare annotation was computed. [2021-11-21 01:06:37,277 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1898) no Hoare annotation was computed. [2021-11-21 01:06:37,277 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed. [2021-11-21 01:06:37,277 INFO L858 garLoopResultBuilder]: For program point L1898-2(lines 1898 1899) no Hoare annotation was computed. [2021-11-21 01:06:37,278 INFO L858 garLoopResultBuilder]: For program point L1898-3(line 1898) no Hoare annotation was computed. [2021-11-21 01:06:37,278 INFO L854 garLoopResultBuilder]: At program point L1898-4(lines 1898 1899) the Hoare annotation is: (and (<= |ULTIMATE.start___main_~argv#1.offset| 0) (= ~optind~0 1) (<= ~bb_errno_location~0 2147483647) (<= 0 |ULTIMATE.start___main_~argv#1.offset|) (<= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (<= 0 (+ ~bb_errno_location~0 2147483648)) (<= |ULTIMATE.start_gethostid_#res#1| 9223372036854775807) (or (and (<= |ULTIMATE.start_fflush_all_~return_value_fflush$1~0#1| 2147483647) (<= |ULTIMATE.start___main_~return_value_gethostid$1~0#1| 9223372036854775807) (<= 0 (+ 2147483648 |ULTIMATE.start___main_~return_value_fflush_all$2~0#1|)) (<= 0 (+ |ULTIMATE.start_fflush_all_~return_value_fflush$1~0#1| 2147483648)) (<= 0 |ULTIMATE.start___main_#in~argc#1|) (<= 0 (+ |ULTIMATE.start_main_~res~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_gethostid_#res#1| 9223372036854775808)) (<= |ULTIMATE.start___main_#res#1| 2147483647) (<= |ULTIMATE.start_main_~res~0#1| 2147483647) (<= 0 |ULTIMATE.start___main_~argc#1|) (<= |ULTIMATE.start_fflush_all_#res#1| 2147483647) (<= |ULTIMATE.start___main_~argc#1| 10000) (<= 0 (+ |ULTIMATE.start___main_#res#1| 2147483648)) (<= |ULTIMATE.start___main_#in~argc#1| 10000) (<= 1 |ULTIMATE.start_main_~i~5#1|)) (and (<= |ULTIMATE.start_main_~argc~0#1| |ULTIMATE.start_main_~i~4#1|) (= |ULTIMATE.start___main_#res#1| |ULTIMATE.start_main_~res~0#1|) (= |ULTIMATE.start_gethostid_#res#1| |ULTIMATE.start___main_~return_value_gethostid$1~0#1|) (= |ULTIMATE.start___main_~argv#1.base| |ULTIMATE.start___main_#in~argv#1.base|) (= |ULTIMATE.start_fflush_all_#res#1| |ULTIMATE.start_fflush_all_~return_value_fflush$1~0#1|) (= |ULTIMATE.start_fflush_all_#res#1| |ULTIMATE.start___main_~return_value_fflush_all$2~0#1|) (= |ULTIMATE.start___main_#in~argc#1| |ULTIMATE.start_main_~argc~0#1|) (= |ULTIMATE.start___main_~argc#1| |ULTIMATE.start___main_#in~argc#1|) (= |ULTIMATE.start___main_#res#1| |ULTIMATE.start___main_~return_value_fflush_all$2~0#1|) (= |ULTIMATE.start_main_~argv~0#1.base| |ULTIMATE.start___main_#in~argv#1.base|))) (<= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) (<= 0 ~applet_name~0.offset) (<= |~#dummy_utmp~0.base| 4) (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~argv~0#1.offset|) (<= 0 |ULTIMATE.start_main_~mem_track~0#1.offset|) (<= 10 |ULTIMATE.start_main_~j~0#1|) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (<= 0 (+ 9223372036854775808 |ULTIMATE.start___main_~return_value_gethostid$1~0#1|)) (<= 4 |~#dummy_utmp~0.base|) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (<= 0 (+ |ULTIMATE.start_fflush_all_#res#1| 2147483648)) (<= |ULTIMATE.start___main_#in~argv#1.offset| 0) (<= 0 |~#dummy_utmp~0.offset|) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~argc~0#1| 10000) (<= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start___main_~return_value_fflush_all$2~0#1| 2147483647) (<= 0 |ULTIMATE.start___main_#in~argv#1.offset|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|)) [2021-11-21 01:06:37,278 INFO L858 garLoopResultBuilder]: For program point L1894-2(lines 1894 1895) no Hoare annotation was computed. [2021-11-21 01:06:37,278 INFO L858 garLoopResultBuilder]: For program point L1894-3(line 1894) no Hoare annotation was computed. [2021-11-21 01:06:37,279 INFO L854 garLoopResultBuilder]: At program point L1894-4(lines 1894 1895) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_~argv~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~argv~0#1.base|) 1) (= (select |#length| |ULTIMATE.start_main_~argv~0#1.base|) (+ 8 (* 8 |ULTIMATE.start_main_~argc~0#1|))) (<= 1 |ULTIMATE.start_main_~argc~0#1|) (< |ULTIMATE.start_main_~argv~0#1.base| |#StackHeapBarrier|) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (let ((.cse0 (<= 0 |#NULL.base|)) (.cse1 (<= 0 |ULTIMATE.start_main_~a~0#1.offset|)) (.cse2 (<= ~bb_errno_location~0 2147483647)) (.cse3 (<= |ULTIMATE.start_main_~mem_track~0#1.offset| 0)) (.cse4 (<= 0 (+ ~bb_errno_location~0 2147483648))) (.cse5 (<= |~#dummy_utmp~0.offset| 0)) (.cse6 (<= 0 ~applet_name~0.offset)) (.cse7 (<= |~#dummy_utmp~0.base| 4)) (.cse8 (<= |#NULL.offset| 0)) (.cse9 (<= 0 |ULTIMATE.start_main_~mem_track~0#1.offset|)) (.cse10 (<= 0 |ULTIMATE.start_main_~j~0#1|)) (.cse11 (<= ~optind~0 1)) (.cse12 (<= ~applet_name~0.offset 0)) (.cse13 (<= |#NULL.base| 0)) (.cse14 (<= 4 |~#dummy_utmp~0.base|)) (.cse15 (<= 1 ~optind~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~i~4#1| 0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (<= 0 |ULTIMATE.start_main_~i~4#1|)) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~i~4#1| 10000) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= 1 |ULTIMATE.start_main_~i~4#1|) .cse12 .cse13 .cse14 .cse15))) (<= 0 |~#dummy_utmp~0.offset|) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~argc~0#1| 10000) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0)) [2021-11-21 01:06:37,279 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed. [2021-11-21 01:06:37,279 INFO L858 garLoopResultBuilder]: For program point L1886(line 1886) no Hoare annotation was computed. [2021-11-21 01:06:37,279 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-21 01:06:37,279 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2021-11-21 01:06:37,280 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2021-11-21 01:06:37,280 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed. [2021-11-21 01:06:37,280 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-21 01:06:37,280 INFO L858 garLoopResultBuilder]: For program point L1887(line 1887) no Hoare annotation was computed. [2021-11-21 01:06:37,280 INFO L858 garLoopResultBuilder]: For program point L1887-1(line 1887) no Hoare annotation was computed. [2021-11-21 01:06:37,280 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2021-11-21 01:06:37,281 INFO L858 garLoopResultBuilder]: For program point L1879-2(lines 1879 1880) no Hoare annotation was computed. [2021-11-21 01:06:37,281 INFO L858 garLoopResultBuilder]: For program point L1879-3(line 1879) no Hoare annotation was computed. [2021-11-21 01:06:37,281 INFO L854 garLoopResultBuilder]: At program point L1879-4(lines 1879 1880) the Hoare annotation is: (let ((.cse0 (= ~applet_name~0.offset 0)) (.cse1 (<= ~applet_name~0.base 0)) (.cse2 (<= 0 ~bb_errno_location~0)) (.cse3 (= |#NULL.offset| 0)) (.cse4 (= |~#dummy_utmp~0.offset| 0)) (.cse5 (<= ~bb_errno_location~0 0)) (.cse6 (= 4 |~#dummy_utmp~0.base|)) (.cse7 (<= 0 ~applet_name~0.base)) (.cse8 (= |#NULL.base| 0))) (or (and (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~i~3#1| 2147483647) .cse4 .cse5 .cse6 .cse7 (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~i~3#1|) .cse8) (let ((.cse10 (select |#memory_int| 1)) (.cse9 (select |#memory_int| 3))) (and (< |ULTIMATE.start_main_~a~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= 18 (select |#length| 2)) (= 48 (select .cse9 1)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select .cse9 0) 37) (= (select .cse9 4) 10) (= ((as const (Array Int Int)) 0) (select |#memory_int| |~#dummy_utmp~0.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (+ |ULTIMATE.start_main_~a~0#1.offset| 10)) 0) (= 382 (select |#length| 4)) (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) 11) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select .cse9 2) 56) .cse0 (= (select .cse9 3) 120) (= (select |#valid| 0) 0) .cse1 .cse2 (= (select |#valid| 2) 1) .cse3 (= (select .cse10 0) 48) .cse4 .cse5 .cse6 (= 6 (select |#length| 3)) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1) (= (select .cse10 1) 0) (= (select .cse9 5) 0) .cse7 (= |ULTIMATE.start_main_~i~3#1| 0) (< 0 |#StackHeapBarrier|) .cse8)))) [2021-11-21 01:06:37,281 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2021-11-21 01:06:37,282 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2021-11-21 01:06:37,282 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1898) no Hoare annotation was computed. [2021-11-21 01:06:37,282 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed. [2021-11-21 01:06:37,282 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 8 10) the Hoare annotation is: true [2021-11-21 01:06:37,282 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2021-11-21 01:06:37,286 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:06:37,287 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:06:37,295 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:240) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 01:06:37,298 INFO L158 Benchmark]: Toolchain (without parser) took 78694.32ms. Allocated memory was 96.5MB in the beginning and 377.5MB in the end (delta: 281.0MB). Free memory was 72.8MB in the beginning and 208.3MB in the end (delta: -135.5MB). Peak memory consumption was 236.5MB. Max. memory is 16.1GB. [2021-11-21 01:06:37,299 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 75.5MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 35.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:06:37,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1217.79ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 49.8MB in the end (delta: 22.8MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2021-11-21 01:06:37,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.87ms. Allocated memory is still 96.5MB. Free memory was 49.8MB in the beginning and 46.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 01:06:37,299 INFO L158 Benchmark]: Boogie Preprocessor took 104.98ms. Allocated memory is still 96.5MB. Free memory was 46.0MB in the beginning and 43.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:06:37,300 INFO L158 Benchmark]: RCFGBuilder took 695.86ms. Allocated memory is still 96.5MB. Free memory was 43.6MB in the beginning and 48.2MB in the end (delta: -4.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-21 01:06:37,300 INFO L158 Benchmark]: TraceAbstraction took 76572.01ms. Allocated memory was 96.5MB in the beginning and 377.5MB in the end (delta: 281.0MB). Free memory was 47.8MB in the beginning and 208.3MB in the end (delta: -160.5MB). Peak memory consumption was 211.9MB. Max. memory is 16.1GB. [2021-11-21 01:06:37,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 75.5MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 35.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1217.79ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 49.8MB in the end (delta: 22.8MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.87ms. Allocated memory is still 96.5MB. Free memory was 49.8MB in the beginning and 46.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.98ms. Allocated memory is still 96.5MB. Free memory was 46.0MB in the beginning and 43.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 695.86ms. Allocated memory is still 96.5MB. Free memory was 43.6MB in the beginning and 48.2MB in the end (delta: -4.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * TraceAbstraction took 76572.01ms. Allocated memory was 96.5MB in the beginning and 377.5MB in the end (delta: 281.0MB). Free memory was 47.8MB in the beginning and 208.3MB in the end (delta: -160.5MB). Peak memory consumption was 211.9MB. 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: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 76.5s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 192 mSDsluCounter, 509 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 305 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 733 IncrementalHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 241 mSDtfsCounter, 733 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 400 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=7, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 27 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 7 PreInvPairs, 15 NumberOfFragments, 871 HoareAnnotationTreeSize, 7 FomulaSimplifications, 394 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 6 FomulaSimplificationsInter, 2302 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1762 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 30 InterpolantComputations, 10 PerfectInterpolantSequences, 66/88 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: 56.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 75, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 243, TOOLS_POST_TIME: 54.4s, TOOLS_POST_CALL_APPLICATIONS: 12, TOOLS_POST_CALL_TIME: 0.8s, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME: 0.6s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 263, TOOLS_QUANTIFIERELIM_TIME: 55.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 2.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 446, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 41, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 32, DOMAIN_WIDEN_TIME: 0.4s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 49, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 75, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME: 38.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 38.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 49, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 4, 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: 1414, DAG_COMPRESSION_RETAINED_NODES: 239, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 01:06:37,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dab58a3-e5ea-4db4-8f81-aff33b5fa7dc/bin/utaipan-TEXQjIfE4P/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int))