./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V --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 64bit --witnessprinter.graph.data.programhash 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:54:23,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:54:23,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:54:23,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:54:23,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:54:23,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:54:23,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:54:23,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:54:23,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:54:23,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:54:23,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:54:23,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:54:23,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:54:23,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:54:23,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:54:23,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:54:23,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:54:23,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:54:23,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:54:23,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:54:23,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:54:23,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:54:23,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:54:23,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:54:23,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:54:23,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:54:23,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:54:23,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:54:23,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:54:23,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:54:23,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:54:23,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:54:23,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:54:23,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:54:23,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:54:23,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:54:23,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:54:23,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:54:23,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:54:23,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:54:23,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:54:23,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:54:23,199 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:54:23,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:54:23,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:54:23,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:54:23,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:54:23,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:54:23,202 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:54:23,202 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:54:23,202 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:54:23,203 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:54:23,204 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:54:23,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:54:23,204 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:54:23,205 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:54:23,205 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:54:23,205 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:54:23,206 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:54:23,206 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:54:23,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:54:23,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:54:23,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:54:23,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:54:23,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:54:23,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:54:23,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:54:23,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:54:23,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:54:23,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:54:23,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:54:23,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:54:23,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:54:23,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:54:23,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:54:23,213 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:54:23,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:54:23,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:54:23,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:54:23,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:54:23,214 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_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 [2021-11-23 03:54:23,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:54:23,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:54:23,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:54:23,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:54:23,573 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:54:23,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-23 03:54:23,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/data/6907d979e/e65e1702efb74d11bfe5e1d449f87abc/FLAG53326bcb9 [2021-11-23 03:54:24,688 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:54:24,689 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-23 03:54:24,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/data/6907d979e/e65e1702efb74d11bfe5e1d449f87abc/FLAG53326bcb9 [2021-11-23 03:54:25,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/data/6907d979e/e65e1702efb74d11bfe5e1d449f87abc [2021-11-23 03:54:25,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:54:25,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:54:25,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:54:25,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:54:25,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:54:25,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:25" (1/1) ... [2021-11-23 03:54:25,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112949df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25, skipping insertion in model container [2021-11-23 03:54:25,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:25" (1/1) ... [2021-11-23 03:54:25,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:54:25,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:54:27,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-11-23 03:54:27,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:54:27,999 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:54:28,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-11-23 03:54:28,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:54:28,741 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:54:28,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28 WrapperNode [2021-11-23 03:54:28,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:54:28,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:54:28,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:54:28,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:54:28,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (1/1) ... [2021-11-23 03:54:28,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (1/1) ... [2021-11-23 03:54:29,325 INFO L137 Inliner]: procedures = 273, calls = 4073, calls flagged for inlining = 105, calls inlined = 96, statements flattened = 8857 [2021-11-23 03:54:29,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:54:29,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:54:29,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:54:29,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:54:29,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (1/1) ... [2021-11-23 03:54:29,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (1/1) ... [2021-11-23 03:54:29,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (1/1) ... [2021-11-23 03:54:29,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (1/1) ... [2021-11-23 03:54:29,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (1/1) ... [2021-11-23 03:54:29,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (1/1) ... [2021-11-23 03:54:29,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (1/1) ... [2021-11-23 03:54:29,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:54:29,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:54:29,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:54:29,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:54:29,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (1/1) ... [2021-11-23 03:54:29,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:54:29,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:54:29,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:54:30,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:54:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 03:54:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 03:54:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-11-23 03:54:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-11-23 03:54:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-23 03:54:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-23 03:54:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 03:54:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 03:54:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 03:54:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:54:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:54:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-11-23 03:54:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-11-23 03:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 03:54:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 03:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-11-23 03:54:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-11-23 03:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 03:54:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 03:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-11-23 03:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-11-23 03:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-11-23 03:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-11-23 03:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-11-23 03:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-11-23 03:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-11-23 03:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-11-23 03:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-11-23 03:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-11-23 03:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-11-23 03:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-11-23 03:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:54:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:54:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-23 03:54:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-23 03:54:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-11-23 03:54:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-11-23 03:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-11-23 03:54:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-11-23 03:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 03:54:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 03:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-11-23 03:54:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-11-23 03:54:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:54:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:54:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-11-23 03:54:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-11-23 03:54:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-11-23 03:54:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-11-23 03:54:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 03:54:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 03:54:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2021-11-23 03:54:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2021-11-23 03:54:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-11-23 03:54:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-11-23 03:54:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2021-11-23 03:54:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2021-11-23 03:54:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-11-23 03:54:30,042 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-11-23 03:54:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-11-23 03:54:30,042 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-11-23 03:54:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:54:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2021-11-23 03:54:30,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2021-11-23 03:54:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:54:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-11-23 03:54:30,043 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-11-23 03:54:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-23 03:54:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-23 03:54:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-11-23 03:54:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-11-23 03:54:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:54:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-11-23 03:54:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-11-23 03:54:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-11-23 03:54:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-11-23 03:54:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-23 03:54:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-23 03:54:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-11-23 03:54:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-11-23 03:54:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-23 03:54:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-23 03:54:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-11-23 03:54:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-11-23 03:54:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:54:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-11-23 03:54:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-11-23 03:54:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:54:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 03:54:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 03:54:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:54:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:54:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 03:54:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 03:54:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-11-23 03:54:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-11-23 03:54:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 03:54:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 03:54:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-11-23 03:54:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-11-23 03:54:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-11-23 03:54:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-11-23 03:54:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 03:54:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 03:54:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:54:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 03:54:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 03:54:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-11-23 03:54:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-11-23 03:54:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-23 03:54:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-23 03:54:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:54:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-23 03:54:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-23 03:54:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:54:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-11-23 03:54:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-11-23 03:54:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-11-23 03:54:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-11-23 03:54:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:54:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:54:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-11-23 03:54:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-11-23 03:54:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-11-23 03:54:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-11-23 03:54:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-11-23 03:54:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-11-23 03:54:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-11-23 03:54:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-11-23 03:54:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:54:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:54:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-11-23 03:54:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-11-23 03:54:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-23 03:54:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-23 03:54:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:54:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 03:54:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 03:54:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-11-23 03:54:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-11-23 03:54:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-11-23 03:54:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-11-23 03:54:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-11-23 03:54:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-11-23 03:54:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:54:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:54:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-11-23 03:54:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-11-23 03:54:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:54:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-23 03:54:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-23 03:54:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-11-23 03:54:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-11-23 03:54:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 03:54:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 03:54:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:54:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-11-23 03:54:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-11-23 03:54:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-11-23 03:54:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-11-23 03:54:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-23 03:54:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-23 03:54:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:54:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:54:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-11-23 03:54:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-11-23 03:54:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-11-23 03:54:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-11-23 03:54:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-11-23 03:54:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-11-23 03:54:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 03:54:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 03:54:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-11-23 03:54:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-11-23 03:54:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-11-23 03:54:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-11-23 03:54:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-11-23 03:54:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-11-23 03:54:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-11-23 03:54:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-11-23 03:54:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-11-23 03:54:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-11-23 03:54:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 03:54:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 03:54:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-11-23 03:54:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-11-23 03:54:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-11-23 03:54:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-11-23 03:54:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-11-23 03:54:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-11-23 03:54:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:54:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-11-23 03:54:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-11-23 03:54:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-11-23 03:54:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-11-23 03:54:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:54:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:54:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 03:54:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 03:54:31,178 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:54:31,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:54:46,754 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:54:51,440 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:54:51,440 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:54:51,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:51 BoogieIcfgContainer [2021-11-23 03:54:51,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:54:51,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:54:51,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:54:51,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:54:51,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:25" (1/3) ... [2021-11-23 03:54:51,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702081f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:51, skipping insertion in model container [2021-11-23 03:54:51,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28" (2/3) ... [2021-11-23 03:54:51,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702081f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:51, skipping insertion in model container [2021-11-23 03:54:51,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:51" (3/3) ... [2021-11-23 03:54:51,465 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-23 03:54:51,471 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:54:51,471 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:54:51,549 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:54:51,559 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 [2021-11-23 03:54:51,560 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:54:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 2157 states, 1460 states have (on average 1.4) internal successors, (2044), 1486 states have internal predecessors, (2044), 603 states have call successors, (603), 92 states have call predecessors, (603), 92 states have return successors, (603), 600 states have call predecessors, (603), 603 states have call successors, (603) [2021-11-23 03:54:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 03:54:51,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:54:51,660 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:54:51,660 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:54:51,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:54:51,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1203273931, now seen corresponding path program 1 times [2021-11-23 03:54:51,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:54:51,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903727875] [2021-11-23 03:54:51,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:51,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:54:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:54:52,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:54:52,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903727875] [2021-11-23 03:54:52,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903727875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:54:52,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:54:52,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:54:52,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249412453] [2021-11-23 03:54:52,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:54:52,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:54:52,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:54:52,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:54:52,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:54:52,406 INFO L87 Difference]: Start difference. First operand has 2157 states, 1460 states have (on average 1.4) internal successors, (2044), 1486 states have internal predecessors, (2044), 603 states have call successors, (603), 92 states have call predecessors, (603), 92 states have return successors, (603), 600 states have call predecessors, (603), 603 states have call successors, (603) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-23 03:54:56,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:01,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:55:08,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:10,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:12,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:16,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:16,592 INFO L93 Difference]: Finished difference Result 6491 states and 10174 transitions. [2021-11-23 03:55:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:55:16,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2021-11-23 03:55:16,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:16,661 INFO L225 Difference]: With dead ends: 6491 [2021-11-23 03:55:16,662 INFO L226 Difference]: Without dead ends: 4340 [2021-11-23 03:55:16,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:55:16,696 INFO L933 BasicCegarLoop]: 4495 mSDtfsCounter, 2335 mSDsluCounter, 8308 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 425 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 11951 SdHoareTripleChecker+Invalid, 1804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:16,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2761 Valid, 11951 Invalid, 1804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [425 Valid, 1374 Invalid, 5 Unknown, 0 Unchecked, 23.7s Time] [2021-11-23 03:55:16,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4340 states. [2021-11-23 03:55:16,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4340 to 2151. [2021-11-23 03:55:16,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2151 states, 1456 states have (on average 1.3956043956043955) internal successors, (2032), 1480 states have internal predecessors, (2032), 603 states have call successors, (603), 92 states have call predecessors, (603), 91 states have return successors, (595), 592 states have call predecessors, (595), 595 states have call successors, (595) [2021-11-23 03:55:17,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 2151 states and 3230 transitions. [2021-11-23 03:55:17,032 INFO L78 Accepts]: Start accepts. Automaton has 2151 states and 3230 transitions. Word has length 26 [2021-11-23 03:55:17,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:17,034 INFO L470 AbstractCegarLoop]: Abstraction has 2151 states and 3230 transitions. [2021-11-23 03:55:17,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-23 03:55:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 3230 transitions. [2021-11-23 03:55:17,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 03:55:17,037 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:17,037 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:55:17,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:55:17,038 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:55:17,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:17,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1269010479, now seen corresponding path program 1 times [2021-11-23 03:55:17,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:17,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803239527] [2021-11-23 03:55:17,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:17,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:17,330 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:17,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803239527] [2021-11-23 03:55:17,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803239527] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:17,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:17,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:55:17,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448730899] [2021-11-23 03:55:17,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:17,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:55:17,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:55:17,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:55:17,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:55:17,335 INFO L87 Difference]: Start difference. First operand 2151 states and 3230 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-23 03:55:21,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:25,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:55:28,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:33,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:33,206 INFO L93 Difference]: Finished difference Result 3614 states and 5588 transitions. [2021-11-23 03:55:33,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:55:33,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2021-11-23 03:55:33,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:33,248 INFO L225 Difference]: With dead ends: 3614 [2021-11-23 03:55:33,249 INFO L226 Difference]: Without dead ends: 3603 [2021-11-23 03:55:33,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:55:33,254 INFO L933 BasicCegarLoop]: 3625 mSDtfsCounter, 1957 mSDsluCounter, 6830 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 423 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 9757 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:33,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2168 Valid, 9757 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 1092 Invalid, 3 Unknown, 0 Unchecked, 15.6s Time] [2021-11-23 03:55:33,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3603 states. [2021-11-23 03:55:33,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3603 to 2153. [2021-11-23 03:55:33,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1458 states have (on average 1.3950617283950617) internal successors, (2034), 1482 states have internal predecessors, (2034), 603 states have call successors, (603), 92 states have call predecessors, (603), 91 states have return successors, (595), 592 states have call predecessors, (595), 595 states have call successors, (595) [2021-11-23 03:55:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 3232 transitions. [2021-11-23 03:55:33,392 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 3232 transitions. Word has length 29 [2021-11-23 03:55:33,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:33,393 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 3232 transitions. [2021-11-23 03:55:33,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-23 03:55:33,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 3232 transitions. [2021-11-23 03:55:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 03:55:33,395 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:33,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:55:33,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:55:33,395 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:55:33,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:33,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1569204863, now seen corresponding path program 1 times [2021-11-23 03:55:33,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:33,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27279442] [2021-11-23 03:55:33,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:33,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:33,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:33,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27279442] [2021-11-23 03:55:33,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27279442] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:33,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:33,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:55:33,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786491124] [2021-11-23 03:55:33,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:33,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:55:33,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:55:33,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:55:33,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:55:33,626 INFO L87 Difference]: Start difference. First operand 2153 states and 3232 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-23 03:55:36,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:39,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:55:42,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:46,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:46,610 INFO L93 Difference]: Finished difference Result 4228 states and 6343 transitions. [2021-11-23 03:55:46,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:55:46,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2021-11-23 03:55:46,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:46,662 INFO L225 Difference]: With dead ends: 4228 [2021-11-23 03:55:46,662 INFO L226 Difference]: Without dead ends: 4225 [2021-11-23 03:55:46,666 INFO L932 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 [2021-11-23 03:55:46,668 INFO L933 BasicCegarLoop]: 3447 mSDtfsCounter, 3133 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3133 SdHoareTripleChecker+Valid, 6284 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:46,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3133 Valid, 6284 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 698 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2021-11-23 03:55:46,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4225 states. [2021-11-23 03:55:46,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4225 to 4219. [2021-11-23 03:55:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4219 states, 2865 states have (on average 1.3951134380453751) internal successors, (3997), 2902 states have internal predecessors, (3997), 1173 states have call successors, (1173), 181 states have call predecessors, (1173), 180 states have return successors, (1165), 1160 states have call predecessors, (1165), 1165 states have call successors, (1165) [2021-11-23 03:55:46,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 4219 states and 6335 transitions. [2021-11-23 03:55:46,902 INFO L78 Accepts]: Start accepts. Automaton has 4219 states and 6335 transitions. Word has length 30 [2021-11-23 03:55:46,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:46,903 INFO L470 AbstractCegarLoop]: Abstraction has 4219 states and 6335 transitions. [2021-11-23 03:55:46,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-23 03:55:46,903 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 6335 transitions. [2021-11-23 03:55:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 03:55:46,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:46,906 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:55:46,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:55:46,907 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:55:46,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:46,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1401834699, now seen corresponding path program 1 times [2021-11-23 03:55:46,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:46,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748631242] [2021-11-23 03:55:46,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:46,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:47,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:47,269 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:47,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748631242] [2021-11-23 03:55:47,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748631242] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:47,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:47,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:55:47,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066840883] [2021-11-23 03:55:47,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:47,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:55:47,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:55:47,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:55:47,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:55:47,276 INFO L87 Difference]: Start difference. First operand 4219 states and 6335 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-23 03:55:50,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:54,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:55:57,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:59,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:01,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:01,156 INFO L93 Difference]: Finished difference Result 7111 states and 10577 transitions. [2021-11-23 03:56:01,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:56:01,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2021-11-23 03:56:01,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:01,229 INFO L225 Difference]: With dead ends: 7111 [2021-11-23 03:56:01,229 INFO L226 Difference]: Without dead ends: 7107 [2021-11-23 03:56:01,236 INFO L932 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 [2021-11-23 03:56:01,237 INFO L933 BasicCegarLoop]: 3696 mSDtfsCounter, 2174 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 6506 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:01,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2174 Valid, 6506 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 759 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2021-11-23 03:56:01,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2021-11-23 03:56:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 7102. [2021-11-23 03:56:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7102 states, 4764 states have (on average 1.3772040302267003) internal successors, (6561), 4827 states have internal predecessors, (6561), 2007 states have call successors, (2007), 333 states have call predecessors, (2007), 330 states have return successors, (1999), 1986 states have call predecessors, (1999), 1999 states have call successors, (1999) [2021-11-23 03:56:01,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7102 states to 7102 states and 10567 transitions. [2021-11-23 03:56:01,649 INFO L78 Accepts]: Start accepts. Automaton has 7102 states and 10567 transitions. Word has length 31 [2021-11-23 03:56:01,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:01,650 INFO L470 AbstractCegarLoop]: Abstraction has 7102 states and 10567 transitions. [2021-11-23 03:56:01,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-23 03:56:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 7102 states and 10567 transitions. [2021-11-23 03:56:01,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 03:56:01,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:01,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:01,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:56:01,660 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:56:01,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:01,663 INFO L85 PathProgramCache]: Analyzing trace with hash -508322044, now seen corresponding path program 1 times [2021-11-23 03:56:01,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:01,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619247582] [2021-11-23 03:56:01,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:01,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:01,854 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:01,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619247582] [2021-11-23 03:56:01,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619247582] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:01,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:01,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:56:01,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112582218] [2021-11-23 03:56:01,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:01,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:56:01,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:01,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:56:01,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:56:01,857 INFO L87 Difference]: Start difference. First operand 7102 states and 10567 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-23 03:56:04,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:07,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:56:10,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:13,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:13,884 INFO L93 Difference]: Finished difference Result 10615 states and 15791 transitions. [2021-11-23 03:56:13,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:56:13,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 32 [2021-11-23 03:56:13,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:13,980 INFO L225 Difference]: With dead ends: 10615 [2021-11-23 03:56:13,981 INFO L226 Difference]: Without dead ends: 10612 [2021-11-23 03:56:13,991 INFO L932 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 [2021-11-23 03:56:13,992 INFO L933 BasicCegarLoop]: 3443 mSDtfsCounter, 3126 mSDsluCounter, 3187 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3126 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:13,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3126 Valid, 6286 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 696 Invalid, 3 Unknown, 0 Unchecked, 11.8s Time] [2021-11-23 03:56:14,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10612 states. [2021-11-23 03:56:14,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10612 to 10605. [2021-11-23 03:56:14,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10605 states, 7120 states have (on average 1.377247191011236) internal successors, (9806), 7208 states have internal predecessors, (9806), 2992 states have call successors, (2992), 496 states have call predecessors, (2992), 492 states have return successors, (2984), 2966 states have call predecessors, (2984), 2984 states have call successors, (2984) [2021-11-23 03:56:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10605 states to 10605 states and 15782 transitions. [2021-11-23 03:56:14,697 INFO L78 Accepts]: Start accepts. Automaton has 10605 states and 15782 transitions. Word has length 32 [2021-11-23 03:56:14,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:14,700 INFO L470 AbstractCegarLoop]: Abstraction has 10605 states and 15782 transitions. [2021-11-23 03:56:14,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-23 03:56:14,700 INFO L276 IsEmpty]: Start isEmpty. Operand 10605 states and 15782 transitions. [2021-11-23 03:56:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 03:56:14,702 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:14,702 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:14,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:56:14,702 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:56:14,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:14,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1420771352, now seen corresponding path program 1 times [2021-11-23 03:56:14,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:14,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081989267] [2021-11-23 03:56:14,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:14,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:14,867 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:14,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081989267] [2021-11-23 03:56:14,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081989267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:14,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:14,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:56:14,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266102089] [2021-11-23 03:56:14,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:14,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:56:14,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:14,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:56:14,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:56:14,869 INFO L87 Difference]: Start difference. First operand 10605 states and 15782 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-23 03:56:17,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:56:19,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:22,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:24,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:28,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:28,165 INFO L93 Difference]: Finished difference Result 16054 states and 23527 transitions. [2021-11-23 03:56:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:56:28,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2021-11-23 03:56:28,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:28,279 INFO L225 Difference]: With dead ends: 16054 [2021-11-23 03:56:28,280 INFO L226 Difference]: Without dead ends: 16023 [2021-11-23 03:56:28,304 INFO L932 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 [2021-11-23 03:56:28,305 INFO L933 BasicCegarLoop]: 3242 mSDtfsCounter, 2019 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 6066 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:28,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2019 Valid, 6066 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 695 Invalid, 4 Unknown, 0 Unchecked, 13.0s Time] [2021-11-23 03:56:28,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16023 states. [2021-11-23 03:56:29,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16023 to 16014. [2021-11-23 03:56:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16014 states, 10661 states have (on average 1.359253353343964) internal successors, (14491), 10796 states have internal predecessors, (14491), 4489 states have call successors, (4489), 872 states have call predecessors, (4489), 863 states have return successors, (4481), 4451 states have call predecessors, (4481), 4481 states have call successors, (4481) [2021-11-23 03:56:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16014 states to 16014 states and 23461 transitions. [2021-11-23 03:56:29,407 INFO L78 Accepts]: Start accepts. Automaton has 16014 states and 23461 transitions. Word has length 33 [2021-11-23 03:56:29,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:29,407 INFO L470 AbstractCegarLoop]: Abstraction has 16014 states and 23461 transitions. [2021-11-23 03:56:29,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-23 03:56:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 16014 states and 23461 transitions. [2021-11-23 03:56:29,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 03:56:29,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:29,413 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:29,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:56:29,413 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:56:29,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:29,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1353491132, now seen corresponding path program 1 times [2021-11-23 03:56:29,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:29,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123785319] [2021-11-23 03:56:29,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:29,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:56:29,678 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:29,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123785319] [2021-11-23 03:56:29,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123785319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:29,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:29,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:56:29,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960456234] [2021-11-23 03:56:29,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:29,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:56:29,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:29,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:56:29,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:56:29,681 INFO L87 Difference]: Start difference. First operand 16014 states and 23461 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-23 03:56:32,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:56:34,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:36,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:40,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:42,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:56:43,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:43,833 INFO L93 Difference]: Finished difference Result 33701 states and 49673 transitions. [2021-11-23 03:56:43,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:56:43,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 64 [2021-11-23 03:56:43,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:43,949 INFO L225 Difference]: With dead ends: 33701 [2021-11-23 03:56:43,950 INFO L226 Difference]: Without dead ends: 17722 [2021-11-23 03:56:44,238 INFO L932 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 [2021-11-23 03:56:44,240 INFO L933 BasicCegarLoop]: 2962 mSDtfsCounter, 519 mSDsluCounter, 2929 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 5584 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:44,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 5584 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 675 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2021-11-23 03:56:44,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17722 states. [2021-11-23 03:56:44,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17722 to 17542. [2021-11-23 03:56:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17542 states, 11764 states have (on average 1.3701122067324039) internal successors, (16118), 11917 states have internal predecessors, (16118), 4914 states have call successors, (4914), 872 states have call predecessors, (4914), 863 states have return successors, (4906), 4869 states have call predecessors, (4906), 4906 states have call successors, (4906) [2021-11-23 03:56:45,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17542 states to 17542 states and 25938 transitions. [2021-11-23 03:56:45,088 INFO L78 Accepts]: Start accepts. Automaton has 17542 states and 25938 transitions. Word has length 64 [2021-11-23 03:56:45,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:45,088 INFO L470 AbstractCegarLoop]: Abstraction has 17542 states and 25938 transitions. [2021-11-23 03:56:45,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-23 03:56:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 17542 states and 25938 transitions. [2021-11-23 03:56:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:56:45,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:45,093 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:45,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 03:56:45,094 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:56:45,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:45,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1842189285, now seen corresponding path program 1 times [2021-11-23 03:56:45,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:45,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187910322] [2021-11-23 03:56:45,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:45,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:56:45,276 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:45,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187910322] [2021-11-23 03:56:45,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187910322] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:45,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:45,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:56:45,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874290696] [2021-11-23 03:56:45,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:45,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:56:45,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:45,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:56:45,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:56:45,279 INFO L87 Difference]: Start difference. First operand 17542 states and 25938 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 03:56:48,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:56:50,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:53,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:57,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:57,534 INFO L93 Difference]: Finished difference Result 19055 states and 28052 transitions. [2021-11-23 03:56:57,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:56:57,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 66 [2021-11-23 03:56:57,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:57,635 INFO L225 Difference]: With dead ends: 19055 [2021-11-23 03:56:57,635 INFO L226 Difference]: Without dead ends: 19052 [2021-11-23 03:56:57,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:56:57,652 INFO L933 BasicCegarLoop]: 4007 mSDtfsCounter, 2398 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 5904 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:57,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2398 Valid, 5904 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 719 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2021-11-23 03:56:57,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19052 states. [2021-11-23 03:56:58,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19052 to 19048. [2021-11-23 03:56:58,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19048 states, 12737 states have (on average 1.3647640731726467) internal successors, (17383), 12903 states have internal predecessors, (17383), 5333 states have call successors, (5333), 988 states have call predecessors, (5333), 977 states have return successors, (5325), 5285 states have call predecessors, (5325), 5325 states have call successors, (5325) [2021-11-23 03:56:58,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19048 states to 19048 states and 28041 transitions. [2021-11-23 03:56:58,563 INFO L78 Accepts]: Start accepts. Automaton has 19048 states and 28041 transitions. Word has length 66 [2021-11-23 03:56:58,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:58,564 INFO L470 AbstractCegarLoop]: Abstraction has 19048 states and 28041 transitions. [2021-11-23 03:56:58,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 03:56:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 19048 states and 28041 transitions. [2021-11-23 03:56:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 03:56:58,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:58,569 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:58,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 03:56:58,570 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:56:58,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:58,570 INFO L85 PathProgramCache]: Analyzing trace with hash 635305160, now seen corresponding path program 1 times [2021-11-23 03:56:58,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:58,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127119107] [2021-11-23 03:56:58,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:58,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:56:58,836 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:58,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127119107] [2021-11-23 03:56:58,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127119107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:58,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:58,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 03:56:58,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256089768] [2021-11-23 03:56:58,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:58,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:56:58,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:58,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:56:58,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:56:58,838 INFO L87 Difference]: Start difference. First operand 19048 states and 28041 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 03:57:02,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:57:05,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:08,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:17,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:17,866 INFO L93 Difference]: Finished difference Result 22249 states and 32848 transitions. [2021-11-23 03:57:17,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:57:17,866 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2021-11-23 03:57:17,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:18,116 INFO L225 Difference]: With dead ends: 22249 [2021-11-23 03:57:18,116 INFO L226 Difference]: Without dead ends: 22246 [2021-11-23 03:57:18,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:57:18,128 INFO L933 BasicCegarLoop]: 4528 mSDtfsCounter, 3375 mSDsluCounter, 8614 mSDsCounter, 0 mSdLazyCounter, 2208 mSolverCounterSat, 688 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3505 SdHoareTripleChecker+Valid, 12184 SdHoareTripleChecker+Invalid, 2898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 2208 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:18,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3505 Valid, 12184 Invalid, 2898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 2208 Invalid, 2 Unknown, 0 Unchecked, 18.5s Time] [2021-11-23 03:57:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22246 states. [2021-11-23 03:57:18,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22246 to 20701. [2021-11-23 03:57:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20701 states, 13790 states have (on average 1.3597534445250181) internal successors, (18751), 13977 states have internal predecessors, (18751), 5807 states have call successors, (5807), 1114 states have call predecessors, (5807), 1103 states have return successors, (5799), 5756 states have call predecessors, (5799), 5799 states have call successors, (5799) [2021-11-23 03:57:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20701 states to 20701 states and 30357 transitions. [2021-11-23 03:57:19,055 INFO L78 Accepts]: Start accepts. Automaton has 20701 states and 30357 transitions. Word has length 75 [2021-11-23 03:57:19,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:19,056 INFO L470 AbstractCegarLoop]: Abstraction has 20701 states and 30357 transitions. [2021-11-23 03:57:19,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 03:57:19,056 INFO L276 IsEmpty]: Start isEmpty. Operand 20701 states and 30357 transitions. [2021-11-23 03:57:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 03:57:19,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:19,064 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:19,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 03:57:19,064 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:57:19,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:19,065 INFO L85 PathProgramCache]: Analyzing trace with hash -2073643187, now seen corresponding path program 1 times [2021-11-23 03:57:19,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:19,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127307212] [2021-11-23 03:57:19,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:19,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 03:57:19,754 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:19,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127307212] [2021-11-23 03:57:19,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127307212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:19,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:19,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 03:57:19,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687358156] [2021-11-23 03:57:19,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:19,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 03:57:19,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:19,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 03:57:19,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:57:19,756 INFO L87 Difference]: Start difference. First operand 20701 states and 30357 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 03:57:23,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:57:29,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:33,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:47,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:47,124 INFO L93 Difference]: Finished difference Result 27187 states and 39795 transitions. [2021-11-23 03:57:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 03:57:47,125 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 94 [2021-11-23 03:57:47,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:47,323 INFO L225 Difference]: With dead ends: 27187 [2021-11-23 03:57:47,323 INFO L226 Difference]: Without dead ends: 27152 [2021-11-23 03:57:47,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:57:47,337 INFO L933 BasicCegarLoop]: 2479 mSDtfsCounter, 8526 mSDsluCounter, 2478 mSDsCounter, 0 mSdLazyCounter, 6366 mSolverCounterSat, 5308 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9059 SdHoareTripleChecker+Valid, 4591 SdHoareTripleChecker+Invalid, 11677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5308 IncrementalHoareTripleChecker+Valid, 6366 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:47,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9059 Valid, 4591 Invalid, 11677 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5308 Valid, 6366 Invalid, 3 Unknown, 0 Unchecked, 26.5s Time] [2021-11-23 03:57:47,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27152 states. [2021-11-23 03:57:48,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27152 to 27037. [2021-11-23 03:57:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27037 states, 17955 states have (on average 1.3563352826510722) internal successors, (24353), 18203 states have internal predecessors, (24353), 7624 states have call successors, (7624), 1468 states have call predecessors, (7624), 1457 states have return successors, (7616), 7559 states have call predecessors, (7616), 7616 states have call successors, (7616) [2021-11-23 03:57:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27037 states to 27037 states and 39593 transitions. [2021-11-23 03:57:48,687 INFO L78 Accepts]: Start accepts. Automaton has 27037 states and 39593 transitions. Word has length 94 [2021-11-23 03:57:48,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:48,689 INFO L470 AbstractCegarLoop]: Abstraction has 27037 states and 39593 transitions. [2021-11-23 03:57:48,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 03:57:48,689 INFO L276 IsEmpty]: Start isEmpty. Operand 27037 states and 39593 transitions. [2021-11-23 03:57:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 03:57:48,702 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:48,702 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:48,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 03:57:48,703 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:57:48,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:48,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1666321780, now seen corresponding path program 1 times [2021-11-23 03:57:48,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:48,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416302609] [2021-11-23 03:57:48,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:48,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:48,779 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:57:48,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [336723868] [2021-11-23 03:57:48,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:48,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:57:48,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:57:48,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:57:48,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:57:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:50,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 2667 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 03:57:50,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:57:50,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:57:50,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:57:50,341 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:50,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416302609] [2021-11-23 03:57:50,341 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:57:50,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336723868] [2021-11-23 03:57:50,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336723868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:50,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:50,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:57:50,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612716181] [2021-11-23 03:57:50,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:50,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:57:50,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:50,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:57:50,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:57:50,344 INFO L87 Difference]: Start difference. First operand 27037 states and 39593 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-23 03:57:53,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:57:58,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:00,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:03,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:14,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:58:16,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:58:19,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:19,700 INFO L93 Difference]: Finished difference Result 57749 states and 85131 transitions. [2021-11-23 03:58:19,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:58:19,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2021-11-23 03:58:19,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:20,008 INFO L225 Difference]: With dead ends: 57749 [2021-11-23 03:58:20,009 INFO L226 Difference]: Without dead ends: 30747 [2021-11-23 03:58:20,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:58:20,170 INFO L933 BasicCegarLoop]: 3697 mSDtfsCounter, 577 mSDsluCounter, 11663 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 14114 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:20,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [752 Valid, 14114 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1730 Invalid, 5 Unknown, 0 Unchecked, 28.1s Time] [2021-11-23 03:58:20,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30747 states. [2021-11-23 03:58:21,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30747 to 27055. [2021-11-23 03:58:21,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27055 states, 17970 states have (on average 1.3560378408458542) internal successors, (24368), 18215 states have internal predecessors, (24368), 7624 states have call successors, (7624), 1468 states have call predecessors, (7624), 1460 states have return successors, (7628), 7565 states have call predecessors, (7628), 7616 states have call successors, (7628) [2021-11-23 03:58:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27055 states to 27055 states and 39620 transitions. [2021-11-23 03:58:21,912 INFO L78 Accepts]: Start accepts. Automaton has 27055 states and 39620 transitions. Word has length 94 [2021-11-23 03:58:21,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:21,913 INFO L470 AbstractCegarLoop]: Abstraction has 27055 states and 39620 transitions. [2021-11-23 03:58:21,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-23 03:58:21,913 INFO L276 IsEmpty]: Start isEmpty. Operand 27055 states and 39620 transitions. [2021-11-23 03:58:21,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 03:58:21,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:21,924 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:58:21,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:58:22,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-23 03:58:22,138 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:58:22,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:22,139 INFO L85 PathProgramCache]: Analyzing trace with hash -2045326750, now seen corresponding path program 1 times [2021-11-23 03:58:22,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:22,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389046702] [2021-11-23 03:58:22,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:22,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:22,277 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:58:22,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1019773669] [2021-11-23 03:58:22,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:22,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:58:22,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:58:22,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:58:22,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:58:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:23,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 2671 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 03:58:23,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:58:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:58:24,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:58:24,157 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:24,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389046702] [2021-11-23 03:58:24,157 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:58:24,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019773669] [2021-11-23 03:58:24,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019773669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:24,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:24,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 03:58:24,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984811541] [2021-11-23 03:58:24,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:24,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:58:24,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:24,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:58:24,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:58:24,159 INFO L87 Difference]: Start difference. First operand 27055 states and 39620 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-23 03:58:28,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:58:34,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:39,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:57,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:58:57,203 INFO L93 Difference]: Finished difference Result 28648 states and 42165 transitions. [2021-11-23 03:58:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:58:57,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2021-11-23 03:58:57,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:58:57,333 INFO L225 Difference]: With dead ends: 28648 [2021-11-23 03:58:57,334 INFO L226 Difference]: Without dead ends: 28645 [2021-11-23 03:58:57,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:58:57,349 INFO L933 BasicCegarLoop]: 4527 mSDtfsCounter, 2318 mSDsluCounter, 14873 mSDsCounter, 0 mSdLazyCounter, 5436 mSolverCounterSat, 58 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2448 SdHoareTripleChecker+Valid, 17555 SdHoareTripleChecker+Invalid, 5496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 5436 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:58:57,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2448 Valid, 17555 Invalid, 5496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [58 Valid, 5436 Invalid, 2 Unknown, 0 Unchecked, 32.0s Time] [2021-11-23 03:58:57,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28645 states. [2021-11-23 03:58:58,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28645 to 27069. [2021-11-23 03:58:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27069 states, 17978 states have (on average 1.3558794081655356) internal successors, (24376), 18222 states have internal predecessors, (24376), 7626 states have call successors, (7626), 1473 states have call predecessors, (7626), 1464 states have return successors, (7630), 7567 states have call predecessors, (7630), 7618 states have call successors, (7630) [2021-11-23 03:58:58,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27069 states to 27069 states and 39632 transitions. [2021-11-23 03:58:58,657 INFO L78 Accepts]: Start accepts. Automaton has 27069 states and 39632 transitions. Word has length 95 [2021-11-23 03:58:58,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:58:58,657 INFO L470 AbstractCegarLoop]: Abstraction has 27069 states and 39632 transitions. [2021-11-23 03:58:58,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-23 03:58:58,658 INFO L276 IsEmpty]: Start isEmpty. Operand 27069 states and 39632 transitions. [2021-11-23 03:58:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 03:58:58,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:58:58,673 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:58:58,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:58:58,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-23 03:58:58,886 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:58:58,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:58:58,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1048606259, now seen corresponding path program 1 times [2021-11-23 03:58:58,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:58:58,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129242955] [2021-11-23 03:58:58,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:58,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:58:58,972 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:58:58,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817142607] [2021-11-23 03:58:58,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:58:58,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:58:58,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:58:58,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:58:58,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:59:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:00,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 2707 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:59:00,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:59:00,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:59:00,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:59:00,729 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:00,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129242955] [2021-11-23 03:59:00,729 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:59:00,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817142607] [2021-11-23 03:59:00,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817142607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:00,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:00,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:59:00,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590759803] [2021-11-23 03:59:00,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:00,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:59:00,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:00,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:59:00,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:59:00,731 INFO L87 Difference]: Start difference. First operand 27069 states and 39632 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 03:59:03,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:59:05,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:08,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:13,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:13,320 INFO L93 Difference]: Finished difference Result 27078 states and 39637 transitions. [2021-11-23 03:59:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:59:13,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2021-11-23 03:59:13,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:13,447 INFO L225 Difference]: With dead ends: 27078 [2021-11-23 03:59:13,447 INFO L226 Difference]: Without dead ends: 27075 [2021-11-23 03:59:13,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:59:13,463 INFO L933 BasicCegarLoop]: 4000 mSDtfsCounter, 2359 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2359 SdHoareTripleChecker+Valid, 5879 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:13,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2359 Valid, 5879 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 716 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2021-11-23 03:59:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27075 states. [2021-11-23 03:59:14,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27075 to 27068. [2021-11-23 03:59:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27068 states, 17977 states have (on average 1.355843577905101) internal successors, (24374), 18222 states have internal predecessors, (24374), 7624 states have call successors, (7624), 1473 states have call predecessors, (7624), 1466 states have return successors, (7629), 7566 states have call predecessors, (7629), 7617 states have call successors, (7629) [2021-11-23 03:59:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27068 states to 27068 states and 39627 transitions. [2021-11-23 03:59:14,755 INFO L78 Accepts]: Start accepts. Automaton has 27068 states and 39627 transitions. Word has length 104 [2021-11-23 03:59:14,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:14,756 INFO L470 AbstractCegarLoop]: Abstraction has 27068 states and 39627 transitions. [2021-11-23 03:59:14,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 03:59:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 27068 states and 39627 transitions. [2021-11-23 03:59:14,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 03:59:14,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:14,776 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:59:14,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:59:14,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:59:14,990 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:59:14,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:14,991 INFO L85 PathProgramCache]: Analyzing trace with hash 537151328, now seen corresponding path program 1 times [2021-11-23 03:59:14,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:14,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414567984] [2021-11-23 03:59:14,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:14,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 03:59:15,339 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:15,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414567984] [2021-11-23 03:59:15,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414567984] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:15,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:15,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:59:15,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30016465] [2021-11-23 03:59:15,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:15,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:59:15,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:15,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:59:15,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:59:15,342 INFO L87 Difference]: Start difference. First operand 27068 states and 39627 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-23 03:59:19,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:59:22,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:24,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:26,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:29,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:33,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:59:40,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:40,991 INFO L93 Difference]: Finished difference Result 54324 states and 79569 transitions. [2021-11-23 03:59:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:59:40,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 113 [2021-11-23 03:59:40,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:41,149 INFO L225 Difference]: With dead ends: 54324 [2021-11-23 03:59:41,150 INFO L226 Difference]: Without dead ends: 27259 [2021-11-23 03:59:41,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:59:41,265 INFO L933 BasicCegarLoop]: 2915 mSDtfsCounter, 72 mSDsluCounter, 9687 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 39 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 11555 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:41,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 11555 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1415 Invalid, 4 Unknown, 0 Unchecked, 24.4s Time] [2021-11-23 03:59:41,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27259 states. [2021-11-23 03:59:42,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27259 to 27090. [2021-11-23 03:59:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27090 states, 17988 states have (on average 1.3549588614631978) internal successors, (24373), 18233 states have internal predecessors, (24373), 7635 states have call successors, (7635), 1473 states have call predecessors, (7635), 1466 states have return successors, (7640), 7577 states have call predecessors, (7640), 7628 states have call successors, (7640) [2021-11-23 03:59:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27090 states to 27090 states and 39648 transitions. [2021-11-23 03:59:42,442 INFO L78 Accepts]: Start accepts. Automaton has 27090 states and 39648 transitions. Word has length 113 [2021-11-23 03:59:42,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:42,443 INFO L470 AbstractCegarLoop]: Abstraction has 27090 states and 39648 transitions. [2021-11-23 03:59:42,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-23 03:59:42,443 INFO L276 IsEmpty]: Start isEmpty. Operand 27090 states and 39648 transitions. [2021-11-23 03:59:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 03:59:42,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:42,461 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:59:42,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 03:59:42,461 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:59:42,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:42,462 INFO L85 PathProgramCache]: Analyzing trace with hash 197462494, now seen corresponding path program 1 times [2021-11-23 03:59:42,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:42,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345860976] [2021-11-23 03:59:42,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:42,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 03:59:42,820 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:42,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345860976] [2021-11-23 03:59:42,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345860976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:42,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:42,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:59:42,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700713978] [2021-11-23 03:59:42,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:42,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:59:42,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:42,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:59:42,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:59:42,822 INFO L87 Difference]: Start difference. First operand 27090 states and 39648 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 03:59:44,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:48,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:59:51,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:54,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:56,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:59,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:03,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 04:00:08,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:10,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:13,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:15,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:21,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:21,595 INFO L93 Difference]: Finished difference Result 72712 states and 109099 transitions. [2021-11-23 04:00:21,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:00:21,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 128 [2021-11-23 04:00:21,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:21,799 INFO L225 Difference]: With dead ends: 72712 [2021-11-23 04:00:21,799 INFO L226 Difference]: Without dead ends: 45657 [2021-11-23 04:00:21,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:00:21,899 INFO L933 BasicCegarLoop]: 4787 mSDtfsCounter, 2329 mSDsluCounter, 8911 mSDsCounter, 0 mSdLazyCounter, 1505 mSolverCounterSat, 403 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 12760 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 1505 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:21,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2731 Valid, 12760 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 1505 Invalid, 7 Unknown, 0 Unchecked, 36.8s Time] [2021-11-23 04:00:21,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45657 states. [2021-11-23 04:00:23,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45657 to 27134. [2021-11-23 04:00:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27134 states, 18032 states have (on average 1.3540927240461402) internal successors, (24417), 18277 states have internal predecessors, (24417), 7635 states have call successors, (7635), 1473 states have call predecessors, (7635), 1466 states have return successors, (7640), 7577 states have call predecessors, (7640), 7628 states have call successors, (7640) [2021-11-23 04:00:23,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27134 states to 27134 states and 39692 transitions. [2021-11-23 04:00:23,535 INFO L78 Accepts]: Start accepts. Automaton has 27134 states and 39692 transitions. Word has length 128 [2021-11-23 04:00:23,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:23,536 INFO L470 AbstractCegarLoop]: Abstraction has 27134 states and 39692 transitions. [2021-11-23 04:00:23,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 04:00:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 27134 states and 39692 transitions. [2021-11-23 04:00:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 04:00:23,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:23,551 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:00:23,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 04:00:23,552 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 04:00:23,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:23,553 INFO L85 PathProgramCache]: Analyzing trace with hash -803504935, now seen corresponding path program 1 times [2021-11-23 04:00:23,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:23,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925361750] [2021-11-23 04:00:23,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:23,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:23,768 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 04:00:23,768 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:23,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925361750] [2021-11-23 04:00:23,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925361750] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:23,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:00:23,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:00:23,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773875053] [2021-11-23 04:00:23,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:23,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:00:23,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:23,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:00:23,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:00:23,771 INFO L87 Difference]: Start difference. First operand 27134 states and 39692 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 04:00:26,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 04:00:29,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:31,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:34,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:36,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 04:00:41,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:41,222 INFO L93 Difference]: Finished difference Result 44514 states and 66051 transitions. [2021-11-23 04:00:41,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:00:41,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2021-11-23 04:00:41,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:41,373 INFO L225 Difference]: With dead ends: 44514 [2021-11-23 04:00:41,373 INFO L226 Difference]: Without dead ends: 33579 [2021-11-23 04:00:41,428 INFO L932 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 [2021-11-23 04:00:41,429 INFO L933 BasicCegarLoop]: 3870 mSDtfsCounter, 709 mSDsluCounter, 3414 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 6943 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:41,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [912 Valid, 6943 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 821 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2021-11-23 04:00:41,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33579 states. [2021-11-23 04:00:42,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33579 to 27136. [2021-11-23 04:00:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27136 states, 18034 states have (on average 1.3540534545857823) internal successors, (24419), 18279 states have internal predecessors, (24419), 7635 states have call successors, (7635), 1473 states have call predecessors, (7635), 1466 states have return successors, (7640), 7577 states have call predecessors, (7640), 7628 states have call successors, (7640) [2021-11-23 04:00:42,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27136 states to 27136 states and 39694 transitions. [2021-11-23 04:00:42,815 INFO L78 Accepts]: Start accepts. Automaton has 27136 states and 39694 transitions. Word has length 131 [2021-11-23 04:00:42,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:42,816 INFO L470 AbstractCegarLoop]: Abstraction has 27136 states and 39694 transitions. [2021-11-23 04:00:42,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 04:00:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 27136 states and 39694 transitions. [2021-11-23 04:00:42,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 04:00:42,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:42,830 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:00:42,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 04:00:42,830 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 04:00:42,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:42,831 INFO L85 PathProgramCache]: Analyzing trace with hash -505475947, now seen corresponding path program 1 times [2021-11-23 04:00:42,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:42,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432695885] [2021-11-23 04:00:42,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:42,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:43,069 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 04:00:43,069 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:43,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432695885] [2021-11-23 04:00:43,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432695885] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 04:00:43,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948680343] [2021-11-23 04:00:43,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:43,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:00:43,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 04:00:43,075 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 04:00:43,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c120342-e509-49ef-85fc-2c048a775e17/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 04:00:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:44,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 3026 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 04:00:44,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:00:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 04:00:44,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 04:00:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 04:00:45,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948680343] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 04:00:45,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1190052060] [2021-11-23 04:00:45,235 INFO L159 IcfgInterpreter]: Started Sifa with 107 locations of interest [2021-11-23 04:00:45,235 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 04:00:45,241 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 04:00:45,247 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 04:00:45,248 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 04:01:05,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:01:06,301 INFO L244 Elim1Store]: Index analysis took 938 ms [2021-11-23 04:01:46,379 WARN L227 SmtUtils]: Spent 39.94s on a formula simplification. DAG size of input: 2064 DAG size of output: 1365 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 04:01:46,385 INFO L354 Elim1Store]: treesize reduction 2314, result has 46.8 percent of original size [2021-11-23 04:01:46,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 230 select indices, 230 select index equivalence classes, 26337 disjoint index pairs (out of 26335 index pairs), introduced 230 new quantified variables, introduced 229 case distinctions, treesize of input 1157 treesize of output 2738 [2021-11-23 04:01:50,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:01:51,234 INFO L244 Elim1Store]: Index analysis took 1496 ms [2021-11-23 04:02:48,648 WARN L227 SmtUtils]: Spent 57.34s on a formula simplification. DAG size of input: 2524 DAG size of output: 1377 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 04:02:48,651 INFO L354 Elim1Store]: treesize reduction 4122, result has 33.3 percent of original size [2021-11-23 04:02:48,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 232 select indices, 232 select index equivalence classes, 26567 disjoint index pairs (out of 26796 index pairs), introduced 232 new quantified variables, introduced 458 case distinctions, treesize of input 1167 treesize of output 2773 [2021-11-23 04:02:50,955 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 224 [2021-11-23 04:02:51,250 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 224 [2021-11-23 04:02:51,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 04:02:51,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-23 04:02:52,009 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 224 [2021-11-23 04:02:53,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-23 04:02:55,478 INFO L354 Elim1Store]: treesize reduction 61, result has 22.8 percent of original size [2021-11-23 04:02:55,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 39 [2021-11-23 04:02:55,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-23 04:02:55,985 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 04:02:55,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-23 04:02:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:56,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:57,021 INFO L244 Elim1Store]: Index analysis took 383 ms [2021-11-23 04:02:58,187 INFO L354 Elim1Store]: treesize reduction 2817, result has 6.6 percent of original size [2021-11-23 04:02:58,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 211 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 438 [2021-11-23 04:02:58,316 INFO L354 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2021-11-23 04:02:58,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 251 [2021-11-23 04:02:58,471 INFO L354 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2021-11-23 04:02:58,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 245 [2021-11-23 04:02:58,619 INFO L354 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2021-11-23 04:02:58,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 245 treesize of output 239 [2021-11-23 04:02:59,322 INFO L354 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2021-11-23 04:02:59,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 55 [2021-11-23 04:02:59,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:02:59,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,127 INFO L244 Elim1Store]: Index analysis took 638 ms [2021-11-23 04:03:00,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 489 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 215 [2021-11-23 04:03:00,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:03:00,913 INFO L244 Elim1Store]: Index analysis took 618 ms [2021-11-23 04:03:00,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 279 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 215 [2021-11-23 04:04:19,844 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 19908 treesize of output 19907