./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:54:21,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:54:21,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:54:21,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:54:21,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:54:21,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:54:21,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:54:21,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:54:21,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:54:21,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:54:21,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:54:21,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:54:21,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:54:21,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:54:21,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:54:21,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:54:21,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:54:21,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:54:21,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:54:21,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:54:21,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:54:21,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:54:21,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:54:21,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:54:21,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:54:21,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:54:21,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:54:21,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:54:21,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:54:21,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:54:21,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:54:21,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:54:21,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:54:21,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:54:21,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:54:21,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:54:21,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:54:21,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:54:21,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:54:21,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:54:21,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:54:21,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:54:21,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:54:21,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:54:21,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:54:21,316 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:54:21,316 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:54:21,316 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:54:21,317 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:54:21,317 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:54:21,323 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:54:21,324 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:54:21,325 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:54:21,325 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:54:21,325 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:54:21,326 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:54:21,326 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:54:21,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:54:21,327 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:54:21,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:54:21,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:54:21,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:54:21,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:54:21,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:54:21,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:54:21,328 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:54:21,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:54:21,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:54:21,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:54:21,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:54:21,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:54:21,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:54:21,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:21,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:54:21,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:54:21,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:54:21,332 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:54:21,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:54:21,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:54:21,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:54:21,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:54:21,334 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-11-07 00:54:21,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:54:21,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:54:21,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:54:21,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:54:21,696 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:54:21,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-07 00:54:21,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/data/5b2a5b323/97cecd4a84ff49f4812b9eb63d798377/FLAG19ce9913a [2021-11-07 00:54:22,361 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:54:22,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-07 00:54:22,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/data/5b2a5b323/97cecd4a84ff49f4812b9eb63d798377/FLAG19ce9913a [2021-11-07 00:54:22,593 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/data/5b2a5b323/97cecd4a84ff49f4812b9eb63d798377 [2021-11-07 00:54:22,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:54:22,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:54:22,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:22,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:54:22,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:54:22,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:22" (1/1) ... [2021-11-07 00:54:22,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abf91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:22, skipping insertion in model container [2021-11-07 00:54:22,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:22" (1/1) ... [2021-11-07 00:54:22,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:54:22,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:23,147 WARN L228 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_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-07 00:54:23,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:23,349 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:54:23,396 WARN L228 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_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-07 00:54:23,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:23,501 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:54:23,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23 WrapperNode [2021-11-07 00:54:23,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:23,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:54:23,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:54:23,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:54:23,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (1/1) ... [2021-11-07 00:54:23,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (1/1) ... [2021-11-07 00:54:23,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:54:23,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:54:23,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:54:23,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:54:23,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (1/1) ... [2021-11-07 00:54:23,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (1/1) ... [2021-11-07 00:54:23,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (1/1) ... [2021-11-07 00:54:23,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (1/1) ... [2021-11-07 00:54:23,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (1/1) ... [2021-11-07 00:54:23,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (1/1) ... [2021-11-07 00:54:23,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (1/1) ... [2021-11-07 00:54:23,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:54:23,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:54:23,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:54:23,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:54:23,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (1/1) ... [2021-11-07 00:54:23,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:23,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:54:23,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:54:24,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:54:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:54:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:54:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:54:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:54:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:54:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:54:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:54:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:54:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:54:24,256 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 00:54:24,285 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 00:54:24,334 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 00:54:24,406 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 00:54:24,464 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 00:54:29,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##647: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 00:54:29,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##646: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 00:54:29,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-18: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 00:54:29,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-44: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 00:54:29,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-70: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 00:54:29,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-96: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 00:54:29,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-122: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 00:54:29,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1114: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 00:54:29,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1115: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 00:54:29,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-14: assume 0 != ~__CS_ret~0 % 256;reader_#res.base, reader_#res.offset := 0, 0; [2021-11-07 00:54:29,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-14: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 00:54:29,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-36: assume 0 != ~__CS_ret~0 % 256;reader_#res.base, reader_#res.offset := 0, 0; [2021-11-07 00:54:29,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-36: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 00:54:29,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-58: assume 0 != ~__CS_ret~0 % 256;reader_#res.base, reader_#res.offset := 0, 0; [2021-11-07 00:54:29,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-58: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 00:54:29,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##412: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 00:54:29,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-80: assume 0 != ~__CS_ret~0 % 256;reader_#res.base, reader_#res.offset := 0, 0; [2021-11-07 00:54:29,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-80: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 00:54:29,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##413: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 00:54:29,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-102: assume 0 != ~__CS_ret~0 % 256;reader_#res.base, reader_#res.offset := 0, 0; [2021-11-07 00:54:29,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-102: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 00:54:29,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-42: assume 0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 00:54:29,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-42: assume !(0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 00:54:29,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-44: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 00:54:29,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-108: assume 0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 00:54:29,760 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-108: assume !(0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 00:54:29,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-110: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 00:54:29,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##881: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 00:54:29,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##880: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 00:54:29,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-174: assume 0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 00:54:29,762 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-174: assume !(0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 00:54:29,762 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-176: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 00:54:29,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-240: assume 0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 00:54:29,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-240: assume !(0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 00:54:29,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-242: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 00:54:29,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-306: assume 0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 00:54:29,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-306: assume !(0 != __CS_cs_#t~nondet6 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 00:54:29,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-308: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 00:54:29,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##179: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 00:54:29,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##178: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 01:00:51,360 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:00:51,360 INFO L299 CfgBuilder]: Removed 636 assume(true) statements. [2021-11-07 01:00:51,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:51 BoogieIcfgContainer [2021-11-07 01:00:51,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:00:51,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:00:51,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:00:51,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:00:51,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:54:22" (1/3) ... [2021-11-07 01:00:51,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7011cd50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:51, skipping insertion in model container [2021-11-07 01:00:51,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23" (2/3) ... [2021-11-07 01:00:51,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7011cd50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:51, skipping insertion in model container [2021-11-07 01:00:51,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:51" (3/3) ... [2021-11-07 01:00:51,386 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_read_write_lock-1.i [2021-11-07 01:00:51,391 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:00:51,392 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:00:51,445 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:00:51,450 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 [2021-11-07 01:00:51,451 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:00:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2021-11-07 01:00:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 01:00:51,469 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:51,470 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 01:00:51,470 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:00:51,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:51,476 INFO L85 PathProgramCache]: Analyzing trace with hash 111492190, now seen corresponding path program 1 times [2021-11-07 01:00:51,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:00:51,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950305088] [2021-11-07 01:00:51,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:51,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:00:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:53,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:53,370 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:00:53,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950305088] [2021-11-07 01:00:53,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950305088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:00:53,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:00:53,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:00:53,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18982459] [2021-11-07 01:00:53,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:00:53,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:00:53,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:00:53,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:00:53,408 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:55,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:00:55,893 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-11-07 01:00:55,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:00:55,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-07 01:00:55,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:00:55,905 INFO L225 Difference]: With dead ends: 15 [2021-11-07 01:00:55,906 INFO L226 Difference]: Without dead ends: 8 [2021-11-07 01:00:55,908 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:00:55,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-07 01:00:55,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-11-07 01:00:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:55,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2021-11-07 01:00:55,946 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 4 [2021-11-07 01:00:55,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:00:55,946 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-11-07 01:00:55,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-07 01:00:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:00:55,948 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:55,948 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:00:55,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:00:55,949 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:00:55,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:55,949 INFO L85 PathProgramCache]: Analyzing trace with hash -440417491, now seen corresponding path program 1 times [2021-11-07 01:00:55,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:00:55,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38349627] [2021-11-07 01:00:55,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:55,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:00:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:56,629 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:00:56,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38349627] [2021-11-07 01:00:56,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38349627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:00:56,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:00:56,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:00:56,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808143754] [2021-11-07 01:00:56,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:00:56,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:00:56,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:00:56,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:00:56,635 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:56,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:00:56,727 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-11-07 01:00:56,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:00:56,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-07 01:00:56,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:00:56,728 INFO L225 Difference]: With dead ends: 13 [2021-11-07 01:00:56,729 INFO L226 Difference]: Without dead ends: 8 [2021-11-07 01:00:56,730 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:00:56,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-07 01:00:56,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-07 01:00:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-07 01:00:56,733 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2021-11-07 01:00:56,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:00:56,734 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-07 01:00:56,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:56,735 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-07 01:00:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:00:56,735 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:56,736 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:00:56,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:00:56,736 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:00:56,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:56,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1621295330, now seen corresponding path program 1 times [2021-11-07 01:00:56,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:00:56,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975620850] [2021-11-07 01:00:56,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:56,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:00:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:57,403 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:00:57,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975620850] [2021-11-07 01:00:57,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975620850] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:00:57,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609535292] [2021-11-07 01:00:57,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:57,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:00:57,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:00:57,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:00:57,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:01:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:00,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:01:00,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:00,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:00,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609535292] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:01:00,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [995596449] [2021-11-07 01:01:00,996 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-07 01:01:00,997 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:01:01,005 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:01:01,012 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:01:01,013 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:01:01,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:01,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:01:01,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:01,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:01:01,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:01,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 602 [2021-11-07 01:01:01,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:01,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:01:01,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:01,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-07 01:01:01,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:01,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:01:01,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:01,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:01:01,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1116 [2021-11-07 01:01:01,356 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_967, |v_#length_218|, v_~__CS_thread~0.offset_967], 595=[|v_#valid_754|]} [2021-11-07 01:01:01,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 01:01:01,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:01:01,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:01:01,517 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:01:01,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:01,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:01,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:02,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:03,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:04,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:05,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:06,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:07,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,144 INFO L244 Elim1Store]: Index analysis took 6342 ms [2021-11-07 01:01:08,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 168 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 86 [2021-11-07 01:01:08,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:08,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-07 01:01:08,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:08,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-07 01:01:08,173 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:01:08,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:08,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:08,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 01:01:08,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:08,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:01:08,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:08,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:01:08,453 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:01:08,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:08,539 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:08,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:08,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:09,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:10,590 INFO L244 Elim1Store]: Index analysis took 838 ms [2021-11-07 01:01:12,260 INFO L354 Elim1Store]: treesize reduction 1082, result has 4.9 percent of original size [2021-11-07 01:01:12,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 115 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 61 case distinctions, treesize of input 299 treesize of output 298 [2021-11-07 01:01:12,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:12,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:01:12,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:12,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:01:12,358 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:01:12,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:12,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:12,519 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_6592|, |v_#memory_$Pointer$.base_6592|], 6=[|v_#memory_int_3016|]} [2021-11-07 01:01:12,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-07 01:01:12,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:12,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 01:01:12,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:12,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 01:01:12,602 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 01:01:12,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:12,778 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:12,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-07 01:01:12,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:12,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 01:01:12,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:12,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 01:01:12,857 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 01:01:12,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:13,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:13,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 100 [2021-11-07 01:01:13,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:01:13,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:01:13,172 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 01:01:13,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:13,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 794 [2021-11-07 01:01:13,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:01:13,562 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:1107, output treesize:794 [2021-11-07 01:01:13,620 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.8 percent of original size [2021-11-07 01:01:13,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:13,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:01:13,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:13,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:01:13,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:01:13,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:01:13,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:13,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:01:13,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:01:13,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-07 01:01:13,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:01:13,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-07 01:01:13,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:01:13,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-07 01:01:13,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:01:13,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-07 01:01:13,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:01:13,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 372 [2021-11-07 01:01:13,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-11-07 01:01:13,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 404 [2021-11-07 01:01:13,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:13,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:01:13,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:13,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:01:13,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:01:13,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:01:13,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:13,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:01:13,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:01:13,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1202 [2021-11-07 01:01:13,853 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_11|, |v_#memory_$Pointer$.base_10|, |v_#memory_$Pointer$.offset_11|, |v_#memory_$Pointer$.offset_10|, |v_#memory_$Pointer$.offset_12|, |v_#memory_$Pointer$.base_12|], 3=[|v_#memory_$Pointer$.offset_6593|, |v_#memory_$Pointer$.base_6593|], 55=[|v_#memory_int_3017|]} [2021-11-07 01:01:13,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:13,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:13,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:01:13,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:13,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:13,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:13,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:01:13,943 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:01:13,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:14,097 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:01:14,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:14,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:01:14,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:01:14,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:14,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:01:14,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:01:14,185 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:01:14,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:14,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:14,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:14,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:14,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:01:14,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:14,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:01:14,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:01:14,377 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:01:14,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:14,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:01:14,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:14,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:01:14,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:01:14,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:14,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:01:14,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:01:14,543 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:01:14,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:14,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:01:14,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:14,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:01:14,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-07 01:01:14,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:14,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:01:14,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-07 01:01:14,706 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:01:14,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:14,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:01:14,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:14,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:01:14,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-07 01:01:14,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:14,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:14,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:01:14,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-07 01:01:14,844 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:01:14,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:01:14,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:01:15,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 117 [2021-11-07 01:01:15,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:15,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:15,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:15,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:15,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:15,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:01:15,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:01:15,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:01:15,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:15,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-11-07 01:01:15,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 01:01:15,262 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 12 treesize of output 11 [2021-11-07 01:01:15,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:15,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:01:15,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:01:15,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:01:15,264 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 01:01:15,266 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-07 01:01:15,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:01:15,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 01:01:15,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290747265] [2021-11-07 01:01:15,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:01:15,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:01:15,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:01:15,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:01:15,271 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-11-07 01:01:15,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:15,429 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2021-11-07 01:01:15,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:01:15,430 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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 [2021-11-07 01:01:15,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:15,430 INFO L225 Difference]: With dead ends: 17 [2021-11-07 01:01:15,430 INFO L226 Difference]: Without dead ends: 11 [2021-11-07 01:01:15,431 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:01:15,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-07 01:01:15,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-07 01:01:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2021-11-07 01:01:15,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-11-07 01:01:15,434 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2021-11-07 01:01:15,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:15,435 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-11-07 01:01:15,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-11-07 01:01:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-07 01:01:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:01:15,435 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:15,435 INFO L513 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2021-11-07 01:01:15,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:15,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:01:15,636 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:15,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:15,637 INFO L85 PathProgramCache]: Analyzing trace with hash 19380077, now seen corresponding path program 2 times [2021-11-07 01:01:15,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:01:15,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063563797] [2021-11-07 01:01:15,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:15,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:01:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:01:16,720 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:01:16,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063563797] [2021-11-07 01:01:16,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063563797] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:01:16,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511685461] [2021-11-07 01:01:16,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:01:16,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:01:16,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:01:16,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:01:16,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56128a6-2d9c-4d87-b66c-f6b7a53e5909/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process