./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:54:26,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:54:26,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:54:26,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:54:26,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:54:26,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:54:26,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:54:26,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:54:26,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:54:26,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:54:26,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:54:26,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:54:26,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:54:26,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:54:26,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:54:26,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:54:26,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:54:26,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:54:26,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:54:26,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:54:26,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:54:26,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:54:26,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:54:26,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:54:26,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:54:26,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:54:26,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:54:26,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:54:26,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:54:26,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:54:26,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:54:26,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:54:26,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:54:26,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:54:26,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:54:26,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:54:26,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:54:26,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:54:26,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:54:26,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:54:26,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:54:26,314 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-19 04:54:26,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:54:26,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:54:26,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:54:26,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:54:26,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:54:26,350 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:54:26,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:54:26,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:54:26,352 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:54:26,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:54:26,353 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:54:26,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:54:26,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:54:26,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:54:26,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:54:26,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:54:26,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:54:26,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:54:26,355 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 04:54:26,356 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:54:26,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:54:26,356 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:54:26,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:54:26,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:54:26,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:54:26,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:54:26,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:54:26,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:54:26,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:54:26,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:54:26,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:54:26,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:54:26,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:54:26,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:54:26,360 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_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 [2021-11-19 04:54:26,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:54:26,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:54:26,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:54:26,714 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:54:26,715 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:54:26,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2021-11-19 04:54:26,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/data/d7d1e7751/9254d52aa1804633b6935e25f81e4155/FLAGcbebb87d0 [2021-11-19 04:54:27,768 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:54:27,769 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2021-11-19 04:54:27,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/data/d7d1e7751/9254d52aa1804633b6935e25f81e4155/FLAGcbebb87d0 [2021-11-19 04:54:28,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/data/d7d1e7751/9254d52aa1804633b6935e25f81e4155 [2021-11-19 04:54:28,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:54:28,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:54:28,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:54:28,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:54:28,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:54:28,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:28" (1/1) ... [2021-11-19 04:54:28,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66fb75ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:28, skipping insertion in model container [2021-11-19 04:54:28,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:28" (1/1) ... [2021-11-19 04:54:28,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:54:28,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:54:29,144 WARN L230 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_41f2fb17-ae10-4794-b1bb-db48714176fa/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2021-11-19 04:54:29,491 WARN L230 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_41f2fb17-ae10-4794-b1bb-db48714176fa/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2021-11-19 04:54:29,496 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:54:29,507 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:54:29,545 WARN L230 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_41f2fb17-ae10-4794-b1bb-db48714176fa/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2021-11-19 04:54:29,765 WARN L230 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_41f2fb17-ae10-4794-b1bb-db48714176fa/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2021-11-19 04:54:29,773 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:54:29,832 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:54:29,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29 WrapperNode [2021-11-19 04:54:29,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:54:29,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:54:29,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:54:29,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:54:29,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2021-11-19 04:54:29,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2021-11-19 04:54:30,141 INFO L137 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2872 [2021-11-19 04:54:30,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:54:30,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:54:30,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:54:30,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:54:30,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2021-11-19 04:54:30,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2021-11-19 04:54:30,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2021-11-19 04:54:30,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2021-11-19 04:54:30,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2021-11-19 04:54:30,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2021-11-19 04:54:30,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2021-11-19 04:54:30,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:54:30,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:54:30,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:54:30,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:54:30,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2021-11-19 04:54:30,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:54:30,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:54:30,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:54:30,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:54:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:54:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 04:54:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 04:54:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:54:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 04:54:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 04:54:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:54:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:54:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:54:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:54:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 04:54:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:54:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:54:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:54:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:54:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:54:30,777 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:54:30,779 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:54:33,601 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:54:33,633 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:54:33,633 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-19 04:54:33,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:33 BoogieIcfgContainer [2021-11-19 04:54:33,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:54:33,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:54:33,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:54:33,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:54:33,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:54:28" (1/3) ... [2021-11-19 04:54:33,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1269c309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:33, skipping insertion in model container [2021-11-19 04:54:33,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (2/3) ... [2021-11-19 04:54:33,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1269c309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:33, skipping insertion in model container [2021-11-19 04:54:33,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:33" (3/3) ... [2021-11-19 04:54:33,655 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-1.i [2021-11-19 04:54:33,662 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:54:33,663 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-19 04:54:33,733 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:54:33,742 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 04:54:33,742 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-19 04:54:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 1179 states, 665 states have (on average 1.9233082706766917) internal successors, (1279), 1173 states have internal predecessors, (1279), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 04:54:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 04:54:33,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:54:33,815 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:54:33,816 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 04:54:33,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:54:33,829 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2021-11-19 04:54:33,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:54:33,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893715976] [2021-11-19 04:54:33,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:33,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:54:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:54:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:54:34,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:54:34,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893715976] [2021-11-19 04:54:34,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893715976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:54:34,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:54:34,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:54:34,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505992344] [2021-11-19 04:54:34,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:54:34,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 04:54:34,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:54:34,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 04:54:34,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:54:34,085 INFO L87 Difference]: Start difference. First operand has 1179 states, 665 states have (on average 1.9233082706766917) internal successors, (1279), 1173 states have internal predecessors, (1279), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:34,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:54:34,354 INFO L93 Difference]: Finished difference Result 2356 states and 5068 transitions. [2021-11-19 04:54:34,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 04:54:34,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-19 04:54:34,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:54:34,406 INFO L225 Difference]: With dead ends: 2356 [2021-11-19 04:54:34,407 INFO L226 Difference]: Without dead ends: 1175 [2021-11-19 04:54:34,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:54:34,426 INFO L933 BasicCegarLoop]: 2225 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:54:34,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:54:34,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-11-19 04:54:34,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2021-11-19 04:54:34,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 662 states have (on average 1.8353474320241692) internal successors, (1215), 1169 states have internal predecessors, (1215), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 04:54:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 2221 transitions. [2021-11-19 04:54:34,983 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 2221 transitions. Word has length 7 [2021-11-19 04:54:34,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:54:34,984 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 2221 transitions. [2021-11-19 04:54:34,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2221 transitions. [2021-11-19 04:54:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 04:54:34,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:54:34,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:54:34,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:54:34,987 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 04:54:34,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:54:34,988 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2021-11-19 04:54:34,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:54:34,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504518701] [2021-11-19 04:54:34,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:34,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:54:35,032 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:54:35,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1050474311] [2021-11-19 04:54:35,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:35,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:54:35,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:54:35,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:54:35,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 04:54:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:54:35,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 04:54:35,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:54:35,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-19 04:54:35,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 04:54:35,417 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 04:54:35,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-19 04:54:35,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-11-19 04:54:35,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:54:35,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:54:35,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:54:35,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504518701] [2021-11-19 04:54:35,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:54:35,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050474311] [2021-11-19 04:54:35,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050474311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:54:35,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:54:35,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:54:35,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639485186] [2021-11-19 04:54:35,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:54:35,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:54:35,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:54:35,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:54:35,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:54:35,568 INFO L87 Difference]: Start difference. First operand 1175 states and 2221 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:39,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:54:39,733 INFO L93 Difference]: Finished difference Result 2292 states and 4372 transitions. [2021-11-19 04:54:39,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:54:39,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-19 04:54:39,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:54:39,767 INFO L225 Difference]: With dead ends: 2292 [2021-11-19 04:54:39,767 INFO L226 Difference]: Without dead ends: 2290 [2021-11-19 04:54:39,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:54:39,773 INFO L933 BasicCegarLoop]: 2675 mSDtfsCounter, 1185 mSDsluCounter, 5967 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 8642 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 04:54:39,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1685 Valid, 8642 Invalid, 1760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 04:54:39,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2021-11-19 04:54:40,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1181. [2021-11-19 04:54:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8293413173652695) internal successors, (1222), 1175 states have internal predecessors, (1222), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 04:54:40,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2228 transitions. [2021-11-19 04:54:40,343 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2228 transitions. Word has length 7 [2021-11-19 04:54:40,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:54:40,344 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 2228 transitions. [2021-11-19 04:54:40,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:40,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2228 transitions. [2021-11-19 04:54:40,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-19 04:54:40,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:54:40,348 INFO L514 BasicCegarLoop]: 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] [2021-11-19 04:54:40,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 04:54:40,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:54:40,563 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 04:54:40,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:54:40,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1931275711, now seen corresponding path program 1 times [2021-11-19 04:54:40,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:54:40,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402787505] [2021-11-19 04:54:40,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:40,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:54:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:54:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:54:40,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:54:40,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402787505] [2021-11-19 04:54:40,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402787505] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:54:40,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:54:40,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:54:40,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523348338] [2021-11-19 04:54:40,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:54:40,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:54:40,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:54:40,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:54:40,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:54:40,750 INFO L87 Difference]: Start difference. First operand 1181 states and 2228 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:42,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:54:42,346 INFO L93 Difference]: Finished difference Result 3322 states and 6406 transitions. [2021-11-19 04:54:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 04:54:42,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-19 04:54:42,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:54:42,376 INFO L225 Difference]: With dead ends: 3322 [2021-11-19 04:54:42,377 INFO L226 Difference]: Without dead ends: 2249 [2021-11-19 04:54:42,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:54:42,387 INFO L933 BasicCegarLoop]: 2696 mSDtfsCounter, 1089 mSDsluCounter, 4347 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 7043 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:54:42,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1589 Valid, 7043 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-19 04:54:42,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2021-11-19 04:54:42,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 1181. [2021-11-19 04:54:42,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8278443113772456) internal successors, (1221), 1175 states have internal predecessors, (1221), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 04:54:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2227 transitions. [2021-11-19 04:54:42,908 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2227 transitions. Word has length 44 [2021-11-19 04:54:42,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:54:42,908 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 2227 transitions. [2021-11-19 04:54:42,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:42,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2227 transitions. [2021-11-19 04:54:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-19 04:54:42,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:54:42,912 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:54:42,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:54:42,913 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 04:54:42,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:54:42,913 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2021-11-19 04:54:42,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:54:42,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158652914] [2021-11-19 04:54:42,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:42,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:54:42,946 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:54:42,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1790712971] [2021-11-19 04:54:42,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:42,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:54:42,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:54:42,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:54:42,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 04:54:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:54:43,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 04:54:43,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:54:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:54:43,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:54:43,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:54:43,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158652914] [2021-11-19 04:54:43,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:54:43,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790712971] [2021-11-19 04:54:43,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790712971] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:54:43,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:54:43,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:54:43,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933025748] [2021-11-19 04:54:43,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:54:43,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:54:43,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:54:43,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:54:43,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:54:43,326 INFO L87 Difference]: Start difference. First operand 1181 states and 2227 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:43,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:54:43,478 INFO L93 Difference]: Finished difference Result 2375 states and 4477 transitions. [2021-11-19 04:54:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:54:43,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2021-11-19 04:54:43,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:54:43,491 INFO L225 Difference]: With dead ends: 2375 [2021-11-19 04:54:43,491 INFO L226 Difference]: Without dead ends: 1202 [2021-11-19 04:54:43,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:54:43,500 INFO L933 BasicCegarLoop]: 2201 mSDtfsCounter, 9 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4387 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:54:43,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 4387 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 04:54:43,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2021-11-19 04:54:43,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1201. [2021-11-19 04:54:43,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 688 states have (on average 1.8037790697674418) internal successors, (1241), 1195 states have internal predecessors, (1241), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 04:54:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 2247 transitions. [2021-11-19 04:54:43,767 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 2247 transitions. Word has length 57 [2021-11-19 04:54:43,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:54:43,770 INFO L470 AbstractCegarLoop]: Abstraction has 1201 states and 2247 transitions. [2021-11-19 04:54:43,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 2247 transitions. [2021-11-19 04:54:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-19 04:54:43,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:54:43,785 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:54:43,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 04:54:44,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:54:44,011 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 04:54:44,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:54:44,012 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2021-11-19 04:54:44,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:54:44,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697702126] [2021-11-19 04:54:44,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:44,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:54:44,049 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:54:44,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1693378879] [2021-11-19 04:54:44,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:44,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:54:44,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:54:44,057 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:54:44,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 04:54:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:54:44,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 04:54:44,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:54:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:54:44,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:54:44,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:54:44,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697702126] [2021-11-19 04:54:44,357 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:54:44,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693378879] [2021-11-19 04:54:44,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693378879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:54:44,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:54:44,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:54:44,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876023344] [2021-11-19 04:54:44,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:54:44,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:54:44,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:54:44,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:54:44,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:54:44,360 INFO L87 Difference]: Start difference. First operand 1201 states and 2247 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:44,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:54:44,531 INFO L93 Difference]: Finished difference Result 2384 states and 4476 transitions. [2021-11-19 04:54:44,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 04:54:44,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2021-11-19 04:54:44,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:54:44,546 INFO L225 Difference]: With dead ends: 2384 [2021-11-19 04:54:44,546 INFO L226 Difference]: Without dead ends: 1191 [2021-11-19 04:54:44,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:54:44,555 INFO L933 BasicCegarLoop]: 2203 mSDtfsCounter, 1196 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 4914 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:54:44,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 4914 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 04:54:44,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2021-11-19 04:54:44,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1187. [2021-11-19 04:54:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 674 states have (on average 1.8100890207715135) internal successors, (1220), 1181 states have internal predecessors, (1220), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2021-11-19 04:54:44,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2226 transitions. [2021-11-19 04:54:44,886 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2226 transitions. Word has length 57 [2021-11-19 04:54:44,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:54:44,886 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 2226 transitions. [2021-11-19 04:54:44,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2226 transitions. [2021-11-19 04:54:44,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-19 04:54:44,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:54:44,889 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:54:44,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 04:54:45,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:54:45,115 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 04:54:45,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:54:45,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2021-11-19 04:54:45,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:54:45,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695905336] [2021-11-19 04:54:45,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:45,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:54:45,147 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:54:45,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [797577611] [2021-11-19 04:54:45,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:45,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:54:45,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:54:45,156 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:54:45,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 04:54:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:54:45,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 04:54:45,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:54:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:54:45,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 04:54:45,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:54:45,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695905336] [2021-11-19 04:54:45,732 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 04:54:45,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797577611] [2021-11-19 04:54:45,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797577611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:54:45,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:54:45,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:54:45,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133735180] [2021-11-19 04:54:45,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:54:45,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:54:45,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:54:45,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:54:45,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:54:45,735 INFO L87 Difference]: Start difference. First operand 1187 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:45,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:54:45,979 INFO L93 Difference]: Finished difference Result 3460 states and 6557 transitions. [2021-11-19 04:54:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:54:45,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2021-11-19 04:54:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:54:46,006 INFO L225 Difference]: With dead ends: 3460 [2021-11-19 04:54:46,007 INFO L226 Difference]: Without dead ends: 2281 [2021-11-19 04:54:46,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:54:46,016 INFO L933 BasicCegarLoop]: 2762 mSDtfsCounter, 1078 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 4956 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:54:46,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1580 Valid, 4956 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 04:54:46,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2021-11-19 04:54:46,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2021-11-19 04:54:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 1264 states have (on average 1.8441455696202531) internal successors, (2331), 2271 states have internal predecessors, (2331), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2021-11-19 04:54:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 4337 transitions. [2021-11-19 04:54:46,631 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 4337 transitions. Word has length 57 [2021-11-19 04:54:46,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:54:46,632 INFO L470 AbstractCegarLoop]: Abstraction has 2277 states and 4337 transitions. [2021-11-19 04:54:46,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:54:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 4337 transitions. [2021-11-19 04:54:46,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 04:54:46,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:54:46,637 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:54:46,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 04:54:46,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:54:46,863 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-19 04:54:46,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:54:46,863 INFO L85 PathProgramCache]: Analyzing trace with hash 760263666, now seen corresponding path program 1 times [2021-11-19 04:54:46,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:54:46,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022703141] [2021-11-19 04:54:46,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:46,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:54:46,882 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 04:54:46,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [149570489] [2021-11-19 04:54:46,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:54:46,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 04:54:46,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:54:46,894 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 04:54:46,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f2fb17-ae10-4794-b1bb-db48714176fa/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 04:54:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:54:47,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-19 04:54:47,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:54:47,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-19 04:54:47,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 04:54:47,185 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 04:54:47,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-19 04:54:47,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-19 04:54:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:47,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-19 04:54:48,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2021-11-19 04:54:48,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-19 04:54:48,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2021-11-19 04:54:48,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:48,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-11-19 04:54:48,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 04:54:48,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2021-11-19 04:54:48,874 INFO L354 Elim1Store]: treesize reduction 19, result has 34.5 percent of original size [2021-11-19 04:54:48,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 29 [2021-11-19 04:54:49,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2021-11-19 04:54:49,011 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-19 04:54:49,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 24 [2021-11-19 04:54:50,847 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-19 04:54:50,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2823 treesize of output 2272 [2021-11-19 04:54:50,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:53,323 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-19 04:54:53,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3238 treesize of output 2896 [2021-11-19 04:54:53,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:53,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:54:53,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:02,014 WARN L227 SmtUtils]: Spent 8.52s on a formula simplification. DAG size of input: 470 DAG size of output: 121 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 04:55:02,015 INFO L354 Elim1Store]: treesize reduction 9816, result has 4.0 percent of original size [2021-11-19 04:55:02,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 4236 treesize of output 2246 [2021-11-19 04:55:03,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 54 treesize of output 24 [2021-11-19 04:55:03,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 66 treesize of output 30 [2021-11-19 04:55:03,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:55:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:55:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:55:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:03,880 INFO L244 Elim1Store]: Index analysis took 255 ms [2021-11-19 04:55:03,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 887 treesize of output 405 [2021-11-19 04:55:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:55:13,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 64 treesize of output 28 [2021-11-19 04:55:13,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:55:13,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 04:55:13,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:05,621 WARN L227 SmtUtils]: Spent 1.87m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 04:57:05,626 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-19 04:57:05,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 1425982 treesize of output 590031 [2021-11-19 04:57:10,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,086 INFO L244 Elim1Store]: Index analysis took 446 ms [2021-11-19 04:57:11,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:11,513 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:57:11,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1463 treesize of output 639 [2021-11-19 04:57:13,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:13,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:13,605 INFO L244 Elim1Store]: Index analysis took 517 ms [2021-11-19 04:57:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:13,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:13,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:13,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:13,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:13,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:13,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,087 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:57:14,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1251 treesize of output 553 [2021-11-19 04:57:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,583 INFO L244 Elim1Store]: Index analysis took 310 ms [2021-11-19 04:57:14,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:14,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:15,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:15,093 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:57:15,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 993 treesize of output 418 [2021-11-19 04:57:15,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:15,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:15,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:15,855 INFO L244 Elim1Store]: Index analysis took 602 ms [2021-11-19 04:57:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:15,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:15,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:16,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:16,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:16,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 04:57:16,440 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:57:16,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426