./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI --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 7137d136237382d1d4fe8b796308ccd9bf4f8cbcaceb3edb5e802731e648c2dd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:29:42,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:29:42,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:29:42,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:29:42,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:29:42,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:29:42,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:29:42,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:29:42,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:29:42,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:29:42,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:29:42,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:29:42,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:29:42,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:29:42,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:29:42,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:29:42,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:29:42,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:29:42,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:29:42,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:29:42,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:29:42,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:29:42,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:29:42,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:29:42,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:29:42,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:29:42,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:29:42,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:29:42,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:29:42,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:29:42,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:29:42,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:29:42,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:29:42,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:29:42,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:29:42,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:29:42,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:29:42,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:29:42,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:29:42,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:29:42,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:29:42,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:29:42,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:29:42,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:29:42,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:29:42,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:29:42,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:29:42,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:29:42,242 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:29:42,242 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:29:42,242 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:29:42,242 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:29:42,243 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:29:42,244 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:29:42,244 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:29:42,244 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:29:42,244 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:29:42,244 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:29:42,245 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:29:42,245 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:29:42,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:29:42,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:29:42,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:29:42,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:29:42,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:29:42,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:29:42,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:29:42,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:29:42,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:29:42,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:29:42,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:29:42,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:29:42,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:29:42,248 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:29:42,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:29:42,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:29:42,249 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:29:42,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:29:42,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:29:42,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:29:42,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7137d136237382d1d4fe8b796308ccd9bf4f8cbcaceb3edb5e802731e648c2dd [2022-11-03 02:29:42,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:29:42,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:29:42,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:29:42,609 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:29:42,611 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:29:42,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-03 02:29:42,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/data/41076a979/220927d669654b69ad6cbfbca3c288b4/FLAGc08f117f9 [2022-11-03 02:29:43,670 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:29:43,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-03 02:29:43,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/data/41076a979/220927d669654b69ad6cbfbca3c288b4/FLAGc08f117f9 [2022-11-03 02:29:44,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/data/41076a979/220927d669654b69ad6cbfbca3c288b4 [2022-11-03 02:29:44,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:29:44,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:29:44,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:29:44,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:29:44,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:29:44,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:29:44" (1/1) ... [2022-11-03 02:29:44,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590cd2ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:44, skipping insertion in model container [2022-11-03 02:29:44,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:29:44" (1/1) ... [2022-11-03 02:29:44,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:29:44,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:29:46,822 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_9ddbac77-e243-464b-8181-4d667aae1401/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i[298420,298433] [2022-11-03 02:29:46,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:29:46,922 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:29:47,370 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_9ddbac77-e243-464b-8181-4d667aae1401/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i[298420,298433] [2022-11-03 02:29:47,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:29:47,664 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:29:47,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47 WrapperNode [2022-11-03 02:29:47,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:29:47,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:29:47,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:29:47,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:29:47,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:47,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:47,984 INFO L138 Inliner]: procedures = 382, calls = 2296, calls flagged for inlining = 189, calls inlined = 143, statements flattened = 4616 [2022-11-03 02:29:47,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:29:47,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:29:47,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:29:47,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:29:47,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:47,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:48,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:48,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:48,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:48,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:48,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:48,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:48,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:29:48,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:29:48,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:29:48,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:29:48,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (1/1) ... [2022-11-03 02:29:48,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:29:48,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:29:48,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:29:48,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:29:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 02:29:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 02:29:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:29:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:29:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 02:29:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 02:29:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 02:29:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 02:29:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-11-03 02:29:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-11-03 02:29:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-11-03 02:29:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-11-03 02:29:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:29:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:29:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 02:29:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 02:29:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-11-03 02:29:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-11-03 02:29:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:29:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-11-03 02:29:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-11-03 02:29:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:29:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:29:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:29:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:29:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:29:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-11-03 02:29:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-11-03 02:29:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:29:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:29:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure jme_ioctl [2022-11-03 02:29:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_ioctl [2022-11-03 02:29:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-11-03 02:29:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-11-03 02:29:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-11-03 02:29:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-11-03 02:29:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-11-03 02:29:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-11-03 02:29:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-11-03 02:29:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-11-03 02:29:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-11-03 02:29:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-11-03 02:29:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:29:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:29:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:29:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:29:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:29:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:29:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-11-03 02:29:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-11-03 02:29:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-11-03 02:29:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-11-03 02:29:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable_nosync [2022-11-03 02:29:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable_nosync [2022-11-03 02:29:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:29:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:29:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-11-03 02:29:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-11-03 02:29:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-11-03 02:29:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-11-03 02:29:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-11-03 02:29:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-11-03 02:29:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:29:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:29:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 02:29:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 02:29:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:29:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:29:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:29:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:29:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-11-03 02:29:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-11-03 02:29:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:29:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:29:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:29:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:29:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:29:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:29:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:29:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:29:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:29:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:29:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-11-03 02:29:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-11-03 02:29:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:29:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:29:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:29:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:29:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:29:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:29:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:29:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:29:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-11-03 02:29:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-11-03 02:29:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unmap_page_2 [2022-11-03 02:29:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unmap_page_2 [2022-11-03 02:29:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:29:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:29:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-11-03 02:29:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-11-03 02:29:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:29:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:29:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-11-03 02:29:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-11-03 02:29:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:29:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:29:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:29:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:29:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-11-03 02:29:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-11-03 02:29:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-11-03 02:29:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-11-03 02:29:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-03 02:29:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-03 02:29:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:29:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:29:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:29:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:29:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-11-03 02:29:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-11-03 02:29:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 02:29:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 02:29:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-11-03 02:29:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-11-03 02:29:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 02:29:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 02:29:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:29:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-11-03 02:29:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-11-03 02:29:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_macaddr [2022-11-03 02:29:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_macaddr [2022-11-03 02:29:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:29:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:29:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-03 02:29:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-03 02:29:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:29:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:29:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-11-03 02:29:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-11-03 02:29:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure jme_vlan_rx_register [2022-11-03 02:29:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_vlan_rx_register [2022-11-03 02:29:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:29:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:29:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-11-03 02:29:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-11-03 02:29:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 02:29:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 02:29:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:29:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:29:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:29:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:29:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-11-03 02:29:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-11-03 02:29:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-11-03 02:29:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-11-03 02:29:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-03 02:29:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-03 02:29:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:29:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:29:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 02:29:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 02:29:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-11-03 02:29:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-11-03 02:29:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:29:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:29:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 02:29:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 02:29:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 02:29:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 02:29:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-11-03 02:29:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-11-03 02:29:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_features [2022-11-03 02:29:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_features [2022-11-03 02:29:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:29:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:29:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:29:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:29:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:29:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-11-03 02:29:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-11-03 02:29:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-03 02:29:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-03 02:29:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-11-03 02:29:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-11-03 02:29:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-11-03 02:29:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-11-03 02:29:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-11-03 02:29:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-11-03 02:29:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-11-03 02:29:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-11-03 02:29:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-11-03 02:29:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-11-03 02:29:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-03 02:29:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-03 02:29:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:29:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:29:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 02:29:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 02:29:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:29:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:29:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:29:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-11-03 02:29:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-11-03 02:29:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 02:29:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 02:29:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_coherent [2022-11-03 02:29:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_coherent [2022-11-03 02:29:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-11-03 02:29:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-11-03 02:29:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-11-03 02:29:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-11-03 02:29:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:29:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 02:29:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 02:29:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:29:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:29:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:29:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-03 02:29:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-03 02:29:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 02:29:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 02:29:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-11-03 02:29:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-11-03 02:29:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-11-03 02:29:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-11-03 02:29:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:29:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:29:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-11-03 02:29:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-11-03 02:29:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-11-03 02:29:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-11-03 02:29:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fix_features [2022-11-03 02:29:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fix_features [2022-11-03 02:29:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-11-03 02:29:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-11-03 02:29:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-03 02:29:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-03 02:29:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:29:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:29:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-11-03 02:29:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-11-03 02:29:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-11-03 02:29:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-11-03 02:29:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 02:29:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 02:29:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:29:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:29:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_map_page_1 [2022-11-03 02:29:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_map_page_1 [2022-11-03 02:29:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:29:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:29:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:29:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:29:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:29:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-11-03 02:29:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-11-03 02:29:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-11-03 02:29:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-11-03 02:29:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-03 02:29:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-03 02:29:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:29:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:29:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure jme_change_mtu [2022-11-03 02:29:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_change_mtu [2022-11-03 02:29:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-03 02:29:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-03 02:29:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 02:29:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 02:29:49,289 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:29:49,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:29:49,848 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:29:54,959 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:29:56,257 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:29:56,258 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 02:29:56,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:29:56 BoogieIcfgContainer [2022-11-03 02:29:56,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:29:56,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:29:56,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:29:56,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:29:56,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:29:44" (1/3) ... [2022-11-03 02:29:56,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abb2aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:29:56, skipping insertion in model container [2022-11-03 02:29:56,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:47" (2/3) ... [2022-11-03 02:29:56,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abb2aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:29:56, skipping insertion in model container [2022-11-03 02:29:56,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:29:56" (3/3) ... [2022-11-03 02:29:56,280 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-03 02:29:56,301 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:29:56,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:29:56,413 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:29:56,421 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ed7f9ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:29:56,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:29:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 1570 states, 901 states have (on average 1.3196448390677025) internal successors, (1189), 948 states have internal predecessors, (1189), 546 states have call successors, (546), 126 states have call predecessors, (546), 125 states have return successors, (540), 530 states have call predecessors, (540), 540 states have call successors, (540) [2022-11-03 02:29:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-03 02:29:56,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:56,465 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:56,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:29:56,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:56,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1788518744, now seen corresponding path program 1 times [2022-11-03 02:29:56,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:56,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714016567] [2022-11-03 02:29:56,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:56,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2022-11-03 02:29:57,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:57,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714016567] [2022-11-03 02:29:57,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714016567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:57,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:57,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:29:57,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63907148] [2022-11-03 02:29:57,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:57,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:29:57,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:57,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:29:57,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:29:57,547 INFO L87 Difference]: Start difference. First operand has 1570 states, 901 states have (on average 1.3196448390677025) internal successors, (1189), 948 states have internal predecessors, (1189), 546 states have call successors, (546), 126 states have call predecessors, (546), 125 states have return successors, (540), 530 states have call predecessors, (540), 540 states have call successors, (540) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-03 02:30:01,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:03,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:04,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:04,713 INFO L93 Difference]: Finished difference Result 4522 states and 6570 transitions. [2022-11-03 02:30:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:04,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 177 [2022-11-03 02:30:04,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:04,782 INFO L225 Difference]: With dead ends: 4522 [2022-11-03 02:30:04,782 INFO L226 Difference]: Without dead ends: 2965 [2022-11-03 02:30:04,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:04,803 INFO L413 NwaCegarLoop]: 2626 mSDtfsCounter, 2049 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 4642 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:04,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 4642 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 465 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-03 02:30:04,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2022-11-03 02:30:05,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2961. [2022-11-03 02:30:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2961 states, 1695 states have (on average 1.3103244837758112) internal successors, (2221), 1765 states have internal predecessors, (2221), 1019 states have call successors, (1019), 247 states have call predecessors, (1019), 246 states have return successors, (1016), 995 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-11-03 02:30:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 4256 transitions. [2022-11-03 02:30:05,166 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 4256 transitions. Word has length 177 [2022-11-03 02:30:05,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:05,171 INFO L495 AbstractCegarLoop]: Abstraction has 2961 states and 4256 transitions. [2022-11-03 02:30:05,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-03 02:30:05,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 4256 transitions. [2022-11-03 02:30:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-03 02:30:05,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:05,194 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:05,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:30:05,195 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:05,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:05,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1331421371, now seen corresponding path program 1 times [2022-11-03 02:30:05,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:05,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633203721] [2022-11-03 02:30:05,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:05,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2022-11-03 02:30:05,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:05,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633203721] [2022-11-03 02:30:05,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633203721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:05,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:05,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:30:05,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754789893] [2022-11-03 02:30:05,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:05,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:05,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:05,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:05,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:05,778 INFO L87 Difference]: Start difference. First operand 2961 states and 4256 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:30:07,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:07,959 INFO L93 Difference]: Finished difference Result 2963 states and 4257 transitions. [2022-11-03 02:30:07,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:07,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 192 [2022-11-03 02:30:07,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:07,989 INFO L225 Difference]: With dead ends: 2963 [2022-11-03 02:30:07,990 INFO L226 Difference]: Without dead ends: 2960 [2022-11-03 02:30:07,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:07,998 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 2198 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2198 SdHoareTripleChecker+Valid, 2003 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:07,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2198 Valid, 2003 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 02:30:08,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2022-11-03 02:30:08,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2960. [2022-11-03 02:30:08,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 1695 states have (on average 1.3097345132743363) internal successors, (2220), 1764 states have internal predecessors, (2220), 1018 states have call successors, (1018), 247 states have call predecessors, (1018), 246 states have return successors, (1016), 995 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-11-03 02:30:08,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 4254 transitions. [2022-11-03 02:30:08,268 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 4254 transitions. Word has length 192 [2022-11-03 02:30:08,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:08,269 INFO L495 AbstractCegarLoop]: Abstraction has 2960 states and 4254 transitions. [2022-11-03 02:30:08,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:30:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 4254 transitions. [2022-11-03 02:30:08,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-03 02:30:08,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:08,277 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:08,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:30:08,278 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:08,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:08,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1676467473, now seen corresponding path program 1 times [2022-11-03 02:30:08,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:08,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345059527] [2022-11-03 02:30:08,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:08,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2022-11-03 02:30:08,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:08,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345059527] [2022-11-03 02:30:08,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345059527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:08,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:08,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:30:08,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123374861] [2022-11-03 02:30:08,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:08,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:08,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:08,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:08,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:08,729 INFO L87 Difference]: Start difference. First operand 2960 states and 4254 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:30:14,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:14,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:14,551 INFO L93 Difference]: Finished difference Result 8678 states and 12510 transitions. [2022-11-03 02:30:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:14,552 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 193 [2022-11-03 02:30:14,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:14,596 INFO L225 Difference]: With dead ends: 8678 [2022-11-03 02:30:14,596 INFO L226 Difference]: Without dead ends: 5750 [2022-11-03 02:30:14,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:14,614 INFO L413 NwaCegarLoop]: 2503 mSDtfsCounter, 2108 mSDsluCounter, 2170 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 4459 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:14,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 4459 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 438 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-03 02:30:14,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5750 states. [2022-11-03 02:30:14,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5750 to 5743. [2022-11-03 02:30:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5743 states, 3288 states have (on average 1.3147810218978102) internal successors, (4323), 3427 states have internal predecessors, (4323), 1979 states have call successors, (1979), 481 states have call predecessors, (1979), 475 states have return successors, (1976), 1926 states have call predecessors, (1976), 1976 states have call successors, (1976) [2022-11-03 02:30:15,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5743 states to 5743 states and 8278 transitions. [2022-11-03 02:30:15,014 INFO L78 Accepts]: Start accepts. Automaton has 5743 states and 8278 transitions. Word has length 193 [2022-11-03 02:30:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:15,015 INFO L495 AbstractCegarLoop]: Abstraction has 5743 states and 8278 transitions. [2022-11-03 02:30:15,015 INFO L496 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:30:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 5743 states and 8278 transitions. [2022-11-03 02:30:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-11-03 02:30:15,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:15,041 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 5, 5, 5, 5, 5, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:15,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:30:15,042 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:15,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:15,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1989384342, now seen corresponding path program 1 times [2022-11-03 02:30:15,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:15,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340591343] [2022-11-03 02:30:15,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:15,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2022-11-03 02:30:15,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:15,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340591343] [2022-11-03 02:30:15,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340591343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:15,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:15,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:30:15,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595575007] [2022-11-03 02:30:15,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:15,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:15,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:15,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:15,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:15,549 INFO L87 Difference]: Start difference. First operand 5743 states and 8278 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-03 02:30:19,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:21,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:21,145 INFO L93 Difference]: Finished difference Result 15279 states and 21972 transitions. [2022-11-03 02:30:21,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:21,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 345 [2022-11-03 02:30:21,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:21,225 INFO L225 Difference]: With dead ends: 15279 [2022-11-03 02:30:21,225 INFO L226 Difference]: Without dead ends: 9571 [2022-11-03 02:30:21,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:21,268 INFO L413 NwaCegarLoop]: 2350 mSDtfsCounter, 1500 mSDsluCounter, 2065 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 4206 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:21,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 4206 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 521 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 02:30:21,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9571 states. [2022-11-03 02:30:22,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9571 to 9551. [2022-11-03 02:30:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9551 states, 5468 states have (on average 1.317117776152158) internal successors, (7202), 5709 states have internal predecessors, (7202), 3261 states have call successors, (3261), 827 states have call predecessors, (3261), 821 states have return successors, (3258), 3172 states have call predecessors, (3258), 3258 states have call successors, (3258) [2022-11-03 02:30:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9551 states to 9551 states and 13721 transitions. [2022-11-03 02:30:22,264 INFO L78 Accepts]: Start accepts. Automaton has 9551 states and 13721 transitions. Word has length 345 [2022-11-03 02:30:22,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:22,265 INFO L495 AbstractCegarLoop]: Abstraction has 9551 states and 13721 transitions. [2022-11-03 02:30:22,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-03 02:30:22,266 INFO L276 IsEmpty]: Start isEmpty. Operand 9551 states and 13721 transitions. [2022-11-03 02:30:22,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1105 [2022-11-03 02:30:22,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:22,340 INFO L195 NwaCegarLoop]: trace histogram [58, 45, 29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:22,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:30:22,341 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:22,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:22,342 INFO L85 PathProgramCache]: Analyzing trace with hash -717076705, now seen corresponding path program 1 times [2022-11-03 02:30:22,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:22,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016479559] [2022-11-03 02:30:22,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:22,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9961 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9957 trivial. 0 not checked. [2022-11-03 02:30:25,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:25,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016479559] [2022-11-03 02:30:25,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016479559] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:30:25,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958247750] [2022-11-03 02:30:25,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:25,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:30:25,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:30:25,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:30:25,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:30:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:27,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 7789 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:30:28,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:30:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 9961 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 9187 trivial. 0 not checked. [2022-11-03 02:30:28,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:30:28,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958247750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:28,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:30:28,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-03 02:30:28,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928328510] [2022-11-03 02:30:28,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:28,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:28,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:28,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:28,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:28,365 INFO L87 Difference]: Start difference. First operand 9551 states and 13721 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (100), 3 states have call predecessors, (100), 3 states have call successors, (100) [2022-11-03 02:30:29,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:33,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:33,411 INFO L93 Difference]: Finished difference Result 27181 states and 39095 transitions. [2022-11-03 02:30:33,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:33,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (100), 3 states have call predecessors, (100), 3 states have call successors, (100) Word has length 1104 [2022-11-03 02:30:33,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:33,541 INFO L225 Difference]: With dead ends: 27181 [2022-11-03 02:30:33,542 INFO L226 Difference]: Without dead ends: 17665 [2022-11-03 02:30:33,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1109 GetRequests, 1106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:33,617 INFO L413 NwaCegarLoop]: 3163 mSDtfsCounter, 2044 mSDsluCounter, 2117 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 5086 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:33,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2044 Valid, 5086 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-03 02:30:33,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17665 states. [2022-11-03 02:30:34,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17665 to 17581. [2022-11-03 02:30:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17581 states, 10226 states have (on average 1.32544494425973) internal successors, (13554), 10677 states have internal predecessors, (13554), 5857 states have call successors, (5857), 1507 states have call predecessors, (5857), 1497 states have return successors, (5854), 5682 states have call predecessors, (5854), 5854 states have call successors, (5854) [2022-11-03 02:30:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17581 states to 17581 states and 25265 transitions. [2022-11-03 02:30:34,968 INFO L78 Accepts]: Start accepts. Automaton has 17581 states and 25265 transitions. Word has length 1104 [2022-11-03 02:30:34,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:34,969 INFO L495 AbstractCegarLoop]: Abstraction has 17581 states and 25265 transitions. [2022-11-03 02:30:34,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (100), 3 states have call predecessors, (100), 3 states have call successors, (100) [2022-11-03 02:30:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 17581 states and 25265 transitions. [2022-11-03 02:30:35,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1127 [2022-11-03 02:30:35,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:35,041 INFO L195 NwaCegarLoop]: trace histogram [58, 45, 29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:35,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:30:35,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:30:35,256 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:35,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:35,257 INFO L85 PathProgramCache]: Analyzing trace with hash 119124336, now seen corresponding path program 1 times [2022-11-03 02:30:35,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:35,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037211052] [2022-11-03 02:30:35,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:35,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:39,039 INFO L134 CoverageAnalysis]: Checked inductivity of 9976 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9976 trivial. 0 not checked. [2022-11-03 02:30:39,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:39,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037211052] [2022-11-03 02:30:39,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037211052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:39,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:39,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:30:39,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7792513] [2022-11-03 02:30:39,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:39,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:30:39,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:39,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:30:39,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:30:39,043 INFO L87 Difference]: Start difference. First operand 17581 states and 25265 transitions. Second operand has 8 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (98), 4 states have call predecessors, (98), 3 states have call successors, (98) [2022-11-03 02:30:43,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:46,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:49,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:57,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:57,812 INFO L93 Difference]: Finished difference Result 35223 states and 50748 transitions. [2022-11-03 02:30:57,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:30:57,813 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (98), 4 states have call predecessors, (98), 3 states have call successors, (98) Word has length 1126 [2022-11-03 02:30:57,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:57,954 INFO L225 Difference]: With dead ends: 35223 [2022-11-03 02:30:57,955 INFO L226 Difference]: Without dead ends: 17677 [2022-11-03 02:30:58,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:30:58,061 INFO L413 NwaCegarLoop]: 1995 mSDtfsCounter, 11 mSDsluCounter, 13251 mSDsCounter, 0 mSdLazyCounter, 1697 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 13927 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1697 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:58,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 13927 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1697 Invalid, 2 Unknown, 0 Unchecked, 17.7s Time] [2022-11-03 02:30:58,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17677 states. [2022-11-03 02:30:59,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17677 to 17617. [2022-11-03 02:30:59,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17617 states, 10250 states have (on average 1.3246829268292684) internal successors, (13578), 10689 states have internal predecessors, (13578), 5869 states have call successors, (5869), 1507 states have call predecessors, (5869), 1497 states have return successors, (5866), 5694 states have call predecessors, (5866), 5866 states have call successors, (5866) [2022-11-03 02:30:59,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17617 states to 17617 states and 25313 transitions. [2022-11-03 02:30:59,447 INFO L78 Accepts]: Start accepts. Automaton has 17617 states and 25313 transitions. Word has length 1126 [2022-11-03 02:30:59,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:59,450 INFO L495 AbstractCegarLoop]: Abstraction has 17617 states and 25313 transitions. [2022-11-03 02:30:59,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (98), 4 states have call predecessors, (98), 3 states have call successors, (98) [2022-11-03 02:30:59,451 INFO L276 IsEmpty]: Start isEmpty. Operand 17617 states and 25313 transitions. [2022-11-03 02:30:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1128 [2022-11-03 02:30:59,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:59,486 INFO L195 NwaCegarLoop]: trace histogram [58, 45, 29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:59,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:30:59,487 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:59,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:59,488 INFO L85 PathProgramCache]: Analyzing trace with hash 297524504, now seen corresponding path program 1 times [2022-11-03 02:30:59,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:59,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53391937] [2022-11-03 02:30:59,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:59,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 9974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9974 trivial. 0 not checked. [2022-11-03 02:31:01,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:01,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53391937] [2022-11-03 02:31:01,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53391937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:01,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:01,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:01,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415607445] [2022-11-03 02:31:01,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:01,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:01,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:01,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:01,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:01,386 INFO L87 Difference]: Start difference. First operand 17617 states and 25313 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-03 02:31:06,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:06,643 INFO L93 Difference]: Finished difference Result 35325 states and 50842 transitions. [2022-11-03 02:31:06,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:06,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) Word has length 1127 [2022-11-03 02:31:06,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:06,761 INFO L225 Difference]: With dead ends: 35325 [2022-11-03 02:31:06,762 INFO L226 Difference]: Without dead ends: 17743 [2022-11-03 02:31:06,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:06,845 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 5 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4010 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:06,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4010 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-03 02:31:06,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17743 states. [2022-11-03 02:31:08,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17743 to 17631. [2022-11-03 02:31:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17631 states, 10264 states have (on average 1.3242400623538582) internal successors, (13592), 10703 states have internal predecessors, (13592), 5869 states have call successors, (5869), 1507 states have call predecessors, (5869), 1497 states have return successors, (5866), 5694 states have call predecessors, (5866), 5866 states have call successors, (5866) [2022-11-03 02:31:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17631 states to 17631 states and 25327 transitions. [2022-11-03 02:31:08,602 INFO L78 Accepts]: Start accepts. Automaton has 17631 states and 25327 transitions. Word has length 1127 [2022-11-03 02:31:08,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:08,605 INFO L495 AbstractCegarLoop]: Abstraction has 17631 states and 25327 transitions. [2022-11-03 02:31:08,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-03 02:31:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 17631 states and 25327 transitions. [2022-11-03 02:31:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2022-11-03 02:31:08,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:08,642 INFO L195 NwaCegarLoop]: trace histogram [62, 47, 31, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:08,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:31:08,643 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:08,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:08,644 INFO L85 PathProgramCache]: Analyzing trace with hash -864027670, now seen corresponding path program 1 times [2022-11-03 02:31:08,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:08,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553085646] [2022-11-03 02:31:08,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:08,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 11062 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11061 trivial. 0 not checked. [2022-11-03 02:31:10,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:10,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553085646] [2022-11-03 02:31:10,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553085646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:10,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:10,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:10,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341252783] [2022-11-03 02:31:10,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:10,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:10,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:10,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:10,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:10,734 INFO L87 Difference]: Start difference. First operand 17631 states and 25327 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2022-11-03 02:31:15,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:16,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:16,755 INFO L93 Difference]: Finished difference Result 35297 states and 50772 transitions. [2022-11-03 02:31:16,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:16,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) Word has length 1169 [2022-11-03 02:31:16,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:16,862 INFO L225 Difference]: With dead ends: 35297 [2022-11-03 02:31:16,862 INFO L226 Difference]: Without dead ends: 17701 [2022-11-03 02:31:16,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:16,936 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 2 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4002 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:16,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4002 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-03 02:31:16,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17701 states. [2022-11-03 02:31:18,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17701 to 17645. [2022-11-03 02:31:18,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17645 states, 10278 states have (on average 1.3237984043588247) internal successors, (13606), 10717 states have internal predecessors, (13606), 5869 states have call successors, (5869), 1507 states have call predecessors, (5869), 1497 states have return successors, (5866), 5694 states have call predecessors, (5866), 5866 states have call successors, (5866) [2022-11-03 02:31:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17645 states to 17645 states and 25341 transitions. [2022-11-03 02:31:18,330 INFO L78 Accepts]: Start accepts. Automaton has 17645 states and 25341 transitions. Word has length 1169 [2022-11-03 02:31:18,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:18,333 INFO L495 AbstractCegarLoop]: Abstraction has 17645 states and 25341 transitions. [2022-11-03 02:31:18,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2022-11-03 02:31:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 17645 states and 25341 transitions. [2022-11-03 02:31:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1210 [2022-11-03 02:31:18,369 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:18,370 INFO L195 NwaCegarLoop]: trace histogram [66, 49, 33, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:18,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:31:18,370 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:18,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:18,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1895209003, now seen corresponding path program 1 times [2022-11-03 02:31:18,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:18,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039872218] [2022-11-03 02:31:18,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:18,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 12236 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12234 trivial. 0 not checked. [2022-11-03 02:31:20,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:20,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039872218] [2022-11-03 02:31:20,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039872218] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:31:20,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472566829] [2022-11-03 02:31:20,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:20,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:31:20,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:31:20,945 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:31:20,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddbac77-e243-464b-8181-4d667aae1401/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:31:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:23,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 8334 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:31:23,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:31:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 12236 backedges. 597 proven. 1 refuted. 0 times theorem prover too weak. 11638 trivial. 0 not checked. [2022-11-03 02:31:23,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:31:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12236 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12234 trivial. 0 not checked. [2022-11-03 02:31:26,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472566829] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:31:26,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [190800360] [2022-11-03 02:31:26,661 INFO L159 IcfgInterpreter]: Started Sifa with 299 locations of interest [2022-11-03 02:31:26,661 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:31:26,668 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:31:26,675 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:31:26,676 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:31:32,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:31:32,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:31:32,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:31:32,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:31:32,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:31:32,157 INFO L244 Elim1Store]: Index analysis took 1204 ms [2022-11-03 02:32:12,768 WARN L234 SmtUtils]: Spent 40.55s on a formula simplification. DAG size of input: 1666 DAG size of output: 749 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:32:12,775 INFO L356 Elim1Store]: treesize reduction 6420, result has 19.4 percent of original size [2022-11-03 02:32:12,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 78 select indices, 78 select index equivalence classes, 3013 disjoint index pairs (out of 3003 index pairs), introduced 78 new quantified variables, introduced 81 case distinctions, treesize of input 409 treesize of output 1786 [2022-11-03 02:32:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:18,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:19,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:19,513 INFO L244 Elim1Store]: Index analysis took 4584 ms [2022-11-03 02:33:47,970 WARN L234 SmtUtils]: Spent 1.47m on a formula simplification. DAG size of input: 2462 DAG size of output: 1094 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:33:47,974 INFO L356 Elim1Store]: treesize reduction 9176, result has 17.5 percent of original size [2022-11-03 02:33:47,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 84 select indices, 84 select index equivalence classes, 3091 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 480 case distinctions, treesize of input 479 treesize of output 2253 [2022-11-03 02:34:05,281 INFO L390 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 [2022-11-03 02:34:05,289 INFO L390 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 [2022-11-03 02:34:05,311 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-03 02:34:11,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:11,503 INFO L244 Elim1Store]: Index analysis took 107 ms [2022-11-03 02:34:11,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 84 select indices, 84 select index equivalence classes, 351 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 0 case distinctions, treesize of input 641 treesize of output 253 [2022-11-03 02:34:12,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:12,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:12,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:12,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:12,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:12,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 83 select indices, 83 select index equivalence classes, 3408 disjoint index pairs (out of 3403 index pairs), introduced 83 new quantified variables, introduced 0 case distinctions, treesize of input 416 treesize of output 250 [2022-11-03 02:34:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:14,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:14,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:14,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:14,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 84 select indices, 84 select index equivalence classes, 3486 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 0 case distinctions, treesize of input 421 treesize of output 253 [2022-11-03 02:34:33,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,141 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 83 select indices, 83 select index equivalence classes, 3408 disjoint index pairs (out of 3403 index pairs), introduced 83 new quantified variables, introduced 0 case distinctions, treesize of input 416 treesize of output 250 [2022-11-03 02:34:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:33,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 84 select indices, 84 select index equivalence classes, 351 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 0 case distinctions, treesize of input 641 treesize of output 253 [2022-11-03 02:34:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:34,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:34,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 84 select indices, 84 select index equivalence classes, 3486 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 0 case distinctions, treesize of input 421 treesize of output 253 [2022-11-03 02:34:51,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:34:51,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:34:52,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:34:59,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:34:59,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:35:00,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:35:14,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:35:15,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:35:15,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:35:23,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:35:23,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:35:23,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:35:37,303 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:35:37,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:35:38,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:35:45,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:35:46,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:35:46,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:36:00,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:36:00,288 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:36:01,035 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:36:07,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:36:08,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:36:08,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:38:46,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:38:47,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:38:48,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:38:50,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:38:50,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:38:50,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:41:12,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:41:13,151 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:41:13,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:41:15,600 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:41:15,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:41:15,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:41:31,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:41:32,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:41:32,315 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:41:38,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:41:39,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:41:40,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:41:53,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:41:54,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:41:55,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:42:01,993 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-11-03 02:42:02,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-03 02:42:03,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3