./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:39:29,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:39:29,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:39:29,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:39:29,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:39:29,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:39:29,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:39:29,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:39:29,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:39:29,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:39:29,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:39:29,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:39:29,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:39:29,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:39:29,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:39:29,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:39:29,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:39:29,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:39:29,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:39:29,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:39:29,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:39:29,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:39:29,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:39:29,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:39:29,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:39:29,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:39:29,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:39:29,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:39:29,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:39:29,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:39:29,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:39:29,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:39:29,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:39:29,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:39:29,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:39:29,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:39:29,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:39:29,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:39:29,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:39:29,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:39:29,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:39:29,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 15:39:29,294 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:39:29,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:39:29,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:39:29,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:39:29,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:39:29,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:39:29,295 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:39:29,295 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:39:29,295 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:39:29,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:39:29,296 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:39:29,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:39:29,296 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:39:29,296 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:39:29,296 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:39:29,296 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:39:29,297 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:39:29,297 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:39:29,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:39:29,298 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:39:29,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:39:29,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:39:29,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:39:29,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:39:29,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:39:29,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:39:29,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:39:29,299 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:39:29,299 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:39:29,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:39:29,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:39:29,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:39:29,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:39:29,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:39:29,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:39:29,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:39:29,300 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:39:29,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:39:29,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:39:29,301 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:39:29,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:39:29,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:39:29,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:39:29,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 [2022-12-14 15:39:29,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:39:29,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:39:29,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:39:29,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:39:29,487 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:39:29,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2022-12-14 15:39:32,062 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:39:32,283 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:39:32,283 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2022-12-14 15:39:32,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/data/07d3bd6d3/c0bda1dd89e64ae5b01d2247e4d4092b/FLAG432c91853 [2022-12-14 15:39:32,304 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/data/07d3bd6d3/c0bda1dd89e64ae5b01d2247e4d4092b [2022-12-14 15:39:32,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:39:32,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:39:32,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:39:32,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:39:32,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:39:32,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d20d8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32, skipping insertion in model container [2022-12-14 15:39:32,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:39:32,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:39:32,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i[33021,33034] [2022-12-14 15:39:32,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:39:32,693 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:39:32,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i[33021,33034] [2022-12-14 15:39:32,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:39:32,773 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:39:32,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32 WrapperNode [2022-12-14 15:39:32,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:39:32,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:39:32,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:39:32,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:39:32,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,848 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1151 [2022-12-14 15:39:32,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:39:32,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:39:32,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:39:32,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:39:32,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,924 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:39:32,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:39:32,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:39:32,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:39:32,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (1/1) ... [2022-12-14 15:39:32,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:39:32,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:39:32,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:39:32,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:39:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:39:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 15:39:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 15:39:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:39:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:39:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:39:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:39:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:39:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:39:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:39:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:39:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:39:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:39:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:39:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:39:33,161 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:39:33,163 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:39:34,273 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:39:34,614 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:39:34,614 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-12-14 15:39:34,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:39:34 BoogieIcfgContainer [2022-12-14 15:39:34,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:39:34,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:39:34,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:39:34,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:39:34,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:39:32" (1/3) ... [2022-12-14 15:39:34,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5ec7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:39:34, skipping insertion in model container [2022-12-14 15:39:34,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:39:32" (2/3) ... [2022-12-14 15:39:34,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5ec7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:39:34, skipping insertion in model container [2022-12-14 15:39:34,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:39:34" (3/3) ... [2022-12-14 15:39:34,622 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-1.i [2022-12-14 15:39:34,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:39:34,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 15:39:34,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:39:34,676 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61056f38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:39:34,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 15:39:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 15:39:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 15:39:34,685 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:34,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 15:39:34,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 15:39:34,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:34,689 INFO L85 PathProgramCache]: Analyzing trace with hash 880023, now seen corresponding path program 1 times [2022-12-14 15:39:34,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:34,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523315364] [2022-12-14 15:39:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:34,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:39:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:39:34,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:39:34,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523315364] [2022-12-14 15:39:34,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523315364] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:39:34,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:39:34,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 15:39:34,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92130899] [2022-12-14 15:39:34,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:39:34,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 15:39:34,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:39:34,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 15:39:34,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:39:34,877 INFO L87 Difference]: Start difference. First operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:35,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:39:35,554 INFO L93 Difference]: Finished difference Result 268 states and 461 transitions. [2022-12-14 15:39:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 15:39:35,559 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-12-14 15:39:35,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:39:35,565 INFO L225 Difference]: With dead ends: 268 [2022-12-14 15:39:35,565 INFO L226 Difference]: Without dead ends: 133 [2022-12-14 15:39:35,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:39:35,570 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:39:35,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 15:39:35,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-12-14 15:39:35,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-12-14 15:39:35,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 110 states have (on average 1.2454545454545454) internal successors, (137), 124 states have internal predecessors, (137), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 15:39:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 169 transitions. [2022-12-14 15:39:35,602 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 169 transitions. Word has length 3 [2022-12-14 15:39:35,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:39:35,602 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 169 transitions. [2022-12-14 15:39:35,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:35,602 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2022-12-14 15:39:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 15:39:35,602 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:35,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 15:39:35,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:39:35,603 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 15:39:35,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:35,603 INFO L85 PathProgramCache]: Analyzing trace with hash 27280772, now seen corresponding path program 1 times [2022-12-14 15:39:35,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:35,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648118202] [2022-12-14 15:39:35,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:35,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:35,622 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:39:35,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980555323] [2022-12-14 15:39:35,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:35,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:35,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:39:35,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:39:35,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:39:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:39:35,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:39:35,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:39:35,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:39:35,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:39:35,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:39:35,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648118202] [2022-12-14 15:39:35,783 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:39:35,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980555323] [2022-12-14 15:39:35,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980555323] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:39:35,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:39:35,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 15:39:35,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588038504] [2022-12-14 15:39:35,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:39:35,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:39:35,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:39:35,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:39:35,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:39:35,786 INFO L87 Difference]: Start difference. First operand 133 states and 169 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:38,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:39:38,336 INFO L93 Difference]: Finished difference Result 262 states and 334 transitions. [2022-12-14 15:39:38,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:39:38,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 15:39:38,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:39:38,341 INFO L225 Difference]: With dead ends: 262 [2022-12-14 15:39:38,341 INFO L226 Difference]: Without dead ends: 233 [2022-12-14 15:39:38,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:39:38,343 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 101 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:39:38,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 326 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 15:39:38,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-12-14 15:39:38,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 136. [2022-12-14 15:39:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 113 states have (on average 1.238938053097345) internal successors, (140), 127 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 15:39:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 172 transitions. [2022-12-14 15:39:38,354 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 172 transitions. Word has length 4 [2022-12-14 15:39:38,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:39:38,354 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 172 transitions. [2022-12-14 15:39:38,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 172 transitions. [2022-12-14 15:39:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 15:39:38,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:38,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:39:38,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:39:38,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:38,556 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 15:39:38,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:38,557 INFO L85 PathProgramCache]: Analyzing trace with hash -399352896, now seen corresponding path program 1 times [2022-12-14 15:39:38,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:38,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884195640] [2022-12-14 15:39:38,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:38,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:38,718 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:39:38,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1962989408] [2022-12-14 15:39:38,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:38,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:38,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:39:38,720 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:39:38,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:39:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:39:39,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:39:39,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:39:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:39:39,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:39:39,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:39:39,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884195640] [2022-12-14 15:39:39,700 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:39:39,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962989408] [2022-12-14 15:39:39,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962989408] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:39:39,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:39:39,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:39:39,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4747454] [2022-12-14 15:39:39,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:39:39,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:39:39,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:39:39,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:39:39,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:39:39,702 INFO L87 Difference]: Start difference. First operand 136 states and 172 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:40,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:39:40,995 INFO L93 Difference]: Finished difference Result 136 states and 172 transitions. [2022-12-14 15:39:40,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:39:40,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2022-12-14 15:39:40,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:39:41,000 INFO L225 Difference]: With dead ends: 136 [2022-12-14 15:39:41,000 INFO L226 Difference]: Without dead ends: 135 [2022-12-14 15:39:41,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:39:41,001 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 87 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:39:41,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 308 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 15:39:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-12-14 15:39:41,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-12-14 15:39:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2300884955752212) internal successors, (139), 126 states have internal predecessors, (139), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 15:39:41,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2022-12-14 15:39:41,008 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 48 [2022-12-14 15:39:41,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:39:41,008 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2022-12-14 15:39:41,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2022-12-14 15:39:41,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 15:39:41,009 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:41,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:39:41,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 15:39:41,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:41,211 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 15:39:41,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:41,213 INFO L85 PathProgramCache]: Analyzing trace with hash 504962863, now seen corresponding path program 1 times [2022-12-14 15:39:41,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:41,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523596895] [2022-12-14 15:39:41,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:41,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:41,403 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:39:41,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1311589002] [2022-12-14 15:39:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:41,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:41,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:39:41,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:39:41,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:39:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:39:42,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 3029 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 15:39:42,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:39:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:39:42,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:39:42,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:39:42,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523596895] [2022-12-14 15:39:42,243 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:39:42,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311589002] [2022-12-14 15:39:42,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311589002] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:39:42,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:39:42,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:39:42,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485325839] [2022-12-14 15:39:42,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:39:42,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:39:42,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:39:42,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:39:42,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:39:42,245 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:44,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:39:44,438 INFO L93 Difference]: Finished difference Result 231 states and 283 transitions. [2022-12-14 15:39:44,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:39:44,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2022-12-14 15:39:44,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:39:44,443 INFO L225 Difference]: With dead ends: 231 [2022-12-14 15:39:44,443 INFO L226 Difference]: Without dead ends: 230 [2022-12-14 15:39:44,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:39:44,445 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 56 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:39:44,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 458 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 15:39:44,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-12-14 15:39:44,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2022-12-14 15:39:44,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 202 states have (on average 1.1782178217821782) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-12-14 15:39:44,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2022-12-14 15:39:44,464 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 49 [2022-12-14 15:39:44,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:39:44,464 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2022-12-14 15:39:44,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:44,464 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2022-12-14 15:39:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 15:39:44,465 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:44,465 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:39:44,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 15:39:44,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:44,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 15:39:44,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1920840727, now seen corresponding path program 1 times [2022-12-14 15:39:44,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:44,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753819392] [2022-12-14 15:39:44,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:44,843 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:39:44,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078746728] [2022-12-14 15:39:44,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:44,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:44,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:39:44,844 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:39:44,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 15:39:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:39:45,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 3059 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:39:45,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:39:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:39:45,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:39:45,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:39:45,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753819392] [2022-12-14 15:39:45,814 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:39:45,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078746728] [2022-12-14 15:39:45,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078746728] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:39:45,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:39:45,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:39:45,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727109455] [2022-12-14 15:39:45,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:39:45,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:39:45,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:39:45,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:39:45,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:39:45,816 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:47,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:39:49,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:39:49,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:39:49,772 INFO L93 Difference]: Finished difference Result 414 states and 510 transitions. [2022-12-14 15:39:49,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:39:49,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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 52 [2022-12-14 15:39:49,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:39:49,777 INFO L225 Difference]: With dead ends: 414 [2022-12-14 15:39:49,777 INFO L226 Difference]: Without dead ends: 256 [2022-12-14 15:39:49,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:39:49,778 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 37 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:39:49,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 292 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 15:39:49,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-12-14 15:39:49,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2022-12-14 15:39:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 225 states have (on average 1.1733333333333333) internal successors, (264), 238 states have internal predecessors, (264), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-12-14 15:39:49,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 308 transitions. [2022-12-14 15:39:49,788 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 308 transitions. Word has length 52 [2022-12-14 15:39:49,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:39:49,788 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 308 transitions. [2022-12-14 15:39:49,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:39:49,788 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 308 transitions. [2022-12-14 15:39:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 15:39:49,789 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:49,789 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:39:49,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 15:39:49,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:49,991 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 15:39:49,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:49,992 INFO L85 PathProgramCache]: Analyzing trace with hash 382789705, now seen corresponding path program 1 times [2022-12-14 15:39:49,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:49,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719223994] [2022-12-14 15:39:49,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:49,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:50,126 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:39:50,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446815224] [2022-12-14 15:39:50,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:50,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:50,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:39:50,128 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:39:50,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 15:39:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:39:50,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:39:50,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:39:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:39:50,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:39:50,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:39:50,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719223994] [2022-12-14 15:39:50,943 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:39:50,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446815224] [2022-12-14 15:39:50,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446815224] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:39:50,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:39:50,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:39:50,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608888185] [2022-12-14 15:39:50,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:39:50,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:39:50,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:39:50,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:39:50,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:39:50,946 INFO L87 Difference]: Start difference. First operand 253 states and 308 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 15:39:52,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:39:52,400 INFO L93 Difference]: Finished difference Result 478 states and 584 transitions. [2022-12-14 15:39:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:39:52,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 65 [2022-12-14 15:39:52,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:39:52,405 INFO L225 Difference]: With dead ends: 478 [2022-12-14 15:39:52,405 INFO L226 Difference]: Without dead ends: 251 [2022-12-14 15:39:52,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:39:52,406 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 11 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:39:52,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 289 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 15:39:52,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-12-14 15:39:52,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-12-14 15:39:52,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 223 states have (on average 1.1704035874439462) internal successors, (261), 236 states have internal predecessors, (261), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-12-14 15:39:52,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 305 transitions. [2022-12-14 15:39:52,419 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 305 transitions. Word has length 65 [2022-12-14 15:39:52,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:39:52,419 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 305 transitions. [2022-12-14 15:39:52,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 15:39:52,420 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 305 transitions. [2022-12-14 15:39:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 15:39:52,421 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:39:52,421 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:39:52,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 15:39:52,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:52,624 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 15:39:52,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:39:52,625 INFO L85 PathProgramCache]: Analyzing trace with hash -671223932, now seen corresponding path program 1 times [2022-12-14 15:39:52,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:39:52,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189687090] [2022-12-14 15:39:52,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:52,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:39:52,726 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:39:52,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100388293] [2022-12-14 15:39:52,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:39:52,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:39:52,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:39:52,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:39:52,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 15:42:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:42:21,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1333 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 15:42:21,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:42:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 15:42:21,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:42:21,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:42:21,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189687090] [2022-12-14 15:42:21,246 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:42:21,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100388293] [2022-12-14 15:42:21,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100388293] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:42:21,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:42:21,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:42:21,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172150893] [2022-12-14 15:42:21,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:42:21,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:42:21,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:42:21,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:42:21,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:42:21,247 INFO L87 Difference]: Start difference. First operand 251 states and 305 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 15:42:22,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:42:22,692 INFO L93 Difference]: Finished difference Result 491 states and 611 transitions. [2022-12-14 15:42:22,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:42:22,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 78 [2022-12-14 15:42:22,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:42:22,696 INFO L225 Difference]: With dead ends: 491 [2022-12-14 15:42:22,696 INFO L226 Difference]: Without dead ends: 247 [2022-12-14 15:42:22,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:42:22,697 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 127 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:42:22,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 464 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 15:42:22,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-12-14 15:42:22,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-12-14 15:42:22,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 218 states have (on average 1.1697247706422018) internal successors, (255), 232 states have internal predecessors, (255), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2022-12-14 15:42:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 303 transitions. [2022-12-14 15:42:22,707 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 303 transitions. Word has length 78 [2022-12-14 15:42:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:42:22,707 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 303 transitions. [2022-12-14 15:42:22,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 15:42:22,708 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 303 transitions. [2022-12-14 15:42:22,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 15:42:22,708 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:42:22,708 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:42:22,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 15:42:22,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:42:22,910 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 15:42:22,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:42:22,911 INFO L85 PathProgramCache]: Analyzing trace with hash 228506376, now seen corresponding path program 1 times [2022-12-14 15:42:22,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:42:22,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708606497] [2022-12-14 15:42:22,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:22,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:42:22,996 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:42:22,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1665244426] [2022-12-14 15:42:22,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:42:22,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:42:22,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:42:22,997 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:42:22,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ee39f43-7e2d-4a17-8413-8be0d3d6c888/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 15:46:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:46:51,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 1393 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 15:46:51,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:46:51,690 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 15:46:51,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:46:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 15:46:51,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:46:51,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708606497] [2022-12-14 15:46:51,758 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:46:51,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665244426] [2022-12-14 15:46:51,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665244426] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:46:51,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [873246539] [2022-12-14 15:46:51,775 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-12-14 15:46:51,775 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:46:51,778 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:46:51,782 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:46:51,782 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:46:51,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:46:51,938 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 15:46:51,938 INFO L350 Elim1Store]: Elim1 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 30 [2022-12-14 15:46:51,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:46:51,964 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:46:51,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 26 treesize of output 32 [2022-12-14 15:46:51,999 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:46:51,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 15:46:52,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 15:46:52,050 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:46:52,057 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:46:52,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:46:52,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 15:46:52,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 15:46:52,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 15:46:52,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:46:52,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 15:46:52,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 15:46:52,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:46:52,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:46:52,635 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 15:46:52,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 15:46:52,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 15:46:52,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 15:46:52,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:52,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 15:46:52,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:46:52,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:46:52,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 15:46:52,931 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 15:46:52,931 INFO L350 Elim1Store]: Elim1 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 53 treesize of output 56 [2022-12-14 15:46:52,951 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:46:52,951 INFO L350 Elim1Store]: Elim1 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 47 treesize of output 50 [2022-12-14 15:46:52,974 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 15:46:52,975 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 46 [2022-12-14 15:46:53,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 15:46:53,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 15:46:53,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 15:46:53,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 15:46:53,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 15:46:53,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 15:46:53,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:46:53,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 15:46:53,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 15:46:53,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 15:46:55,464 INFO L217 Elim1Store]: Index analysis took 1409 ms [2022-12-14 15:46:57,522 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 15:46:57,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 case distinctions, treesize of input 10752694 treesize of output 10752697 [2022-12-14 15:46:57,958 INFO L217 Elim1Store]: Index analysis took 327 ms [2022-12-14 15:46:59,721 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 15:46:59,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752699 treesize of output 10752701 [2022-12-14 15:47:06,449 WARN L233 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:47:06,450 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 15:47:06,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 15:47:06,600 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-12-14 15:47:22,422 WARN L233 SmtUtils]: Spent 15.82s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:47:22,423 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 15:47:22,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-12-14 15:47:23,182 INFO L217 Elim1Store]: Index analysis took 580 ms [2022-12-14 15:47:45,340 WARN L233 SmtUtils]: Spent 21.56s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:47:45,341 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 15:47:45,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 15:47:46,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:47:46,329 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 15:47:46,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:47:46,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:47:46,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 15:47:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:47:47,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 15:47:53,750 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:48:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 15:48:18,335 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:48:57,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:57,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 15:48:57,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:57,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 15:49:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:49:00,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:49:00,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 15:49:00,606 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:49:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:49:00,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:49:00,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 15:49:00,677 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:49:00,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:49:00,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 15:49:00,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:49:00,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 15:49:00,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:49:00,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 15:49:03,891 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:49:29,802 WARN L233 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 13941 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 15:52:46,962 INFO L217 Elim1Store]: Index analysis took 114294 ms