./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0de3702172247e9daf688602f826d117afa5d623a980b5c7e35d9c75cbe83a45 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:49:03,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:49:03,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:49:03,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:49:03,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:49:03,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:49:03,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:49:03,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:49:03,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:49:03,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:49:03,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:49:03,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:49:03,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:49:03,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:49:03,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:49:03,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:49:03,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:49:03,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:49:03,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:49:03,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:49:03,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:49:03,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:49:03,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:49:03,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:49:03,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:49:03,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:49:03,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:49:03,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:49:03,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:49:03,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:49:03,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:49:03,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:49:03,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:49:03,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:49:03,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:49:03,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:49:03,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:49:03,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:49:03,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:49:03,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:49:03,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:49:03,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:49:03,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:49:03,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:49:03,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:49:03,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:49:03,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:49:03,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:49:03,305 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:49:03,305 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:49:03,306 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:49:03,306 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:49:03,307 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:49:03,308 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:49:03,308 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:49:03,308 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:49:03,308 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:49:03,309 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:49:03,309 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:49:03,309 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:49:03,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:49:03,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:49:03,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:49:03,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:49:03,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:49:03,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:49:03,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:49:03,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:49:03,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:49:03,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:49:03,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:49:03,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:49:03,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:49:03,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:49:03,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:49:03,316 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:49:03,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:49:03,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:49:03,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:49:03,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:49:03,318 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0de3702172247e9daf688602f826d117afa5d623a980b5c7e35d9c75cbe83a45 [2021-11-23 03:49:03,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:49:03,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:49:03,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:49:03,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:49:03,644 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:49:03,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2021-11-23 03:49:03,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/data/3738b242c/6082d629e9c042f6acef9715d89f4c21/FLAG55aba7d67 [2021-11-23 03:49:04,711 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:49:04,712 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2021-11-23 03:49:04,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/data/3738b242c/6082d629e9c042f6acef9715d89f4c21/FLAG55aba7d67 [2021-11-23 03:49:05,094 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/data/3738b242c/6082d629e9c042f6acef9715d89f4c21 [2021-11-23 03:49:05,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:49:05,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:49:05,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:49:05,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:49:05,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:49:05,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:05" (1/1) ... [2021-11-23 03:49:05,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd30be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05, skipping insertion in model container [2021-11-23 03:49:05,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:05" (1/1) ... [2021-11-23 03:49:05,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:49:05,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:49:07,635 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_50b54824-ed8c-42d5-8b94-25906d3a8c45/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i[230653,230666] [2021-11-23 03:49:07,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:49:07,712 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:49:08,076 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_50b54824-ed8c-42d5-8b94-25906d3a8c45/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i[230653,230666] [2021-11-23 03:49:08,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:49:08,231 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:49:08,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08 WrapperNode [2021-11-23 03:49:08,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:49:08,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:49:08,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:49:08,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:49:08,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 03:49:08,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 03:49:08,599 INFO L137 Inliner]: procedures = 258, calls = 1568, calls flagged for inlining = 102, calls inlined = 102, statements flattened = 4328 [2021-11-23 03:49:08,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:49:08,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:49:08,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:49:08,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:49:08,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 03:49:08,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 03:49:08,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 03:49:08,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 03:49:08,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 03:49:08,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 03:49:08,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 03:49:08,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:49:08,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:49:08,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:49:08,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:49:08,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 03:49:09,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:49:09,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:09,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:49:09,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:49:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2021-11-23 03:49:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2021-11-23 03:49:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-11-23 03:49:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-11-23 03:49:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 03:49:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure queue_if_no_path [2021-11-23 03:49:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_if_no_path [2021-11-23 03:49:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:49:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:49:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:49:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:49:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_message [2021-11-23 03:49:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_message [2021-11-23 03:49:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_end_io [2021-11-23 03:49:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_end_io [2021-11-23 03:49:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_ctr [2021-11-23 03:49:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_ctr [2021-11-23 03:49:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 03:49:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 03:49:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:49:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:49:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-23 03:49:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-23 03:49:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure bypass_pg_num [2021-11-23 03:49:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure bypass_pg_num [2021-11-23 03:49:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 03:49:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 03:49:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-23 03:49:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-23 03:49:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_clone_and_map [2021-11-23 03:49:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_clone_and_map [2021-11-23 03:49:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure parse_path_selector [2021-11-23 03:49:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_path_selector [2021-11-23 03:49:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_iterate_devices [2021-11-23 03:49:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_iterate_devices [2021-11-23 03:49:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:49:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:49:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:49:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:49:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-23 03:49:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-23 03:49:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:49:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:49:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_dtr [2021-11-23 03:49:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_dtr [2021-11-23 03:49:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 03:49:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 03:49:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_detach [2021-11-23 03:49:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_detach [2021-11-23 03:49:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-11-23 03:49:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-11-23 03:49:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_path_selector [2021-11-23 03:49:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_path_selector [2021-11-23 03:49:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 03:49:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 03:49:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_handler_exist [2021-11-23 03:49:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_handler_exist [2021-11-23 03:49:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 03:49:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 03:49:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_ioctl [2021-11-23 03:49:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_ioctl [2021-11-23 03:49:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure clear_mapinfo [2021-11-23 03:49:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_mapinfo [2021-11-23 03:49:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-11-23 03:49:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-11-23 03:49:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure free_priority_group [2021-11-23 03:49:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure free_priority_group [2021-11-23 03:49:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:49:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 03:49:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 03:49:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-11-23 03:49:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-11-23 03:49:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:49:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure __must_push_back [2021-11-23 03:49:09,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __must_push_back [2021-11-23 03:49:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 03:49:09,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 03:49:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-11-23 03:49:09,091 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-11-23 03:49:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:49:09,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:49:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 03:49:09,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 03:49:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_path_selector [2021-11-23 03:49:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure get_path_selector [2021-11-23 03:49:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-23 03:49:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-23 03:49:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:49:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_release_clone [2021-11-23 03:49:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_release_clone [2021-11-23 03:49:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:49:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure bypass_pg [2021-11-23 03:49:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure bypass_pg [2021-11-23 03:49:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_event [2021-11-23 03:49:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_event [2021-11-23 03:49:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 03:49:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 03:49:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:49:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:49:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 03:49:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 03:49:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure free_pgpath [2021-11-23 03:49:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pgpath [2021-11-23 03:49:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 03:49:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 03:49:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure __choose_path_in_pg [2021-11-23 03:49:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __choose_path_in_pg [2021-11-23 03:49:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 03:49:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 03:49:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure activate_path [2021-11-23 03:49:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_path [2021-11-23 03:49:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2021-11-23 03:49:09,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2021-11-23 03:49:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure flush_multipath_work [2021-11-23 03:49:09,097 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_multipath_work [2021-11-23 03:49:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 03:49:09,097 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 03:49:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_attach [2021-11-23 03:49:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_attach [2021-11-23 03:49:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-23 03:49:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-23 03:49:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_run_md_queue_async [2021-11-23 03:49:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_run_md_queue_async [2021-11-23 03:49:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-11-23 03:49:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-11-23 03:49:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_postsuspend [2021-11-23 03:49:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_postsuspend [2021-11-23 03:49:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure fail_path [2021-11-23 03:49:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure fail_path [2021-11-23 03:49:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:49:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_map [2021-11-23 03:49:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_map [2021-11-23 03:49:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:49:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:49:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 03:49:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 03:49:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:49:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:49:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:49:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 03:49:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 03:49:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 03:49:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 03:49:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg [2021-11-23 03:49:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg [2021-11-23 03:49:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-11-23 03:49:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-11-23 03:49:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure __choose_pgpath [2021-11-23 03:49:09,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __choose_pgpath [2021-11-23 03:49:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:49:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 03:49:09,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 03:49:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure dm_path_uevent [2021-11-23 03:49:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_path_uevent [2021-11-23 03:49:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-11-23 03:49:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-11-23 03:49:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 03:49:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 03:49:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:49:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 03:49:09,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 03:49:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:49:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:49:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure parse_priority_group [2021-11-23 03:49:09,105 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_priority_group [2021-11-23 03:49:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:49:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:49:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure __pg_init_all_paths [2021-11-23 03:49:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __pg_init_all_paths [2021-11-23 03:49:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-11-23 03:49:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-11-23 03:49:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_presuspend [2021-11-23 03:49:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_presuspend [2021-11-23 03:49:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consume_args [2021-11-23 03:49:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consume_args [2021-11-23 03:49:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-11-23 03:49:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-11-23 03:49:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 03:49:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 03:49:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure free_multipath [2021-11-23 03:49:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure free_multipath [2021-11-23 03:49:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure __multipath_map [2021-11-23 03:49:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __multipath_map [2021-11-23 03:49:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-23 03:49:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-23 03:49:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2021-11-23 03:49:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2021-11-23 03:49:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_status [2021-11-23 03:49:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_status [2021-11-23 03:49:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-11-23 03:49:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-11-23 03:49:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_busy [2021-11-23 03:49:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_busy [2021-11-23 03:49:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 03:49:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 03:49:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-11-23 03:49:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure __find_path_selector_type [2021-11-23 03:49:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_path_selector_type [2021-11-23 03:49:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-23 03:49:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-23 03:49:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_resume [2021-11-23 03:49:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_resume [2021-11-23 03:49:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:49:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-23 03:49:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-23 03:49:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-11-23 03:49:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-11-23 03:49:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:49:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:49:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 03:49:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 03:49:09,908 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:49:09,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:49:10,055 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:49:13,942 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:49:14,959 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:49:14,959 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 03:49:14,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:49:14 BoogieIcfgContainer [2021-11-23 03:49:14,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:49:14,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:49:14,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:49:14,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:49:14,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:49:05" (1/3) ... [2021-11-23 03:49:14,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b2d471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:49:14, skipping insertion in model container [2021-11-23 03:49:14,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (2/3) ... [2021-11-23 03:49:14,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b2d471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:49:14, skipping insertion in model container [2021-11-23 03:49:14,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:49:14" (3/3) ... [2021-11-23 03:49:14,975 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2021-11-23 03:49:14,980 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:49:14,981 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:49:15,039 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:49:15,046 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:49:15,046 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:49:15,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 1314 states, 828 states have (on average 1.3731884057971016) internal successors, (1137), 855 states have internal predecessors, (1137), 387 states have call successors, (387), 98 states have call predecessors, (387), 97 states have return successors, (382), 375 states have call predecessors, (382), 382 states have call successors, (382) [2021-11-23 03:49:15,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-23 03:49:15,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:15,133 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:49:15,134 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:49:15,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash -812839640, now seen corresponding path program 1 times [2021-11-23 03:49:15,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:15,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178547104] [2021-11-23 03:49:15,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:15,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 912 trivial. 0 not checked. [2021-11-23 03:49:16,250 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:16,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178547104] [2021-11-23 03:49:16,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178547104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:16,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:16,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:49:16,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932301690] [2021-11-23 03:49:16,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:16,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:49:16,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:16,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:49:16,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:49:16,308 INFO L87 Difference]: Start difference. First operand has 1314 states, 828 states have (on average 1.3731884057971016) internal successors, (1137), 855 states have internal predecessors, (1137), 387 states have call successors, (387), 98 states have call predecessors, (387), 97 states have return successors, (382), 375 states have call predecessors, (382), 382 states have call successors, (382) Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 03:49:19,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:19,459 INFO L93 Difference]: Finished difference Result 3834 states and 5611 transitions. [2021-11-23 03:49:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:49:19,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 247 [2021-11-23 03:49:19,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:19,506 INFO L225 Difference]: With dead ends: 3834 [2021-11-23 03:49:19,506 INFO L226 Difference]: Without dead ends: 2540 [2021-11-23 03:49:19,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:49:19,526 INFO L933 BasicCegarLoop]: 2093 mSDtfsCounter, 1830 mSDsluCounter, 1834 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1830 SdHoareTripleChecker+Valid, 3758 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:19,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1830 Valid, 3758 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-23 03:49:19,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2021-11-23 03:49:19,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2536. [2021-11-23 03:49:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2536 states, 1613 states have (on average 1.3707377557346558) internal successors, (2211), 1653 states have internal predecessors, (2211), 732 states have call successors, (732), 192 states have call predecessors, (732), 190 states have return successors, (735), 714 states have call predecessors, (735), 730 states have call successors, (735) [2021-11-23 03:49:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2536 states and 3678 transitions. [2021-11-23 03:49:19,773 INFO L78 Accepts]: Start accepts. Automaton has 2536 states and 3678 transitions. Word has length 247 [2021-11-23 03:49:19,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:19,776 INFO L470 AbstractCegarLoop]: Abstraction has 2536 states and 3678 transitions. [2021-11-23 03:49:19,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 03:49:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 3678 transitions. [2021-11-23 03:49:19,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-23 03:49:19,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:19,795 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:49:19,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:49:19,795 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:49:19,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:19,845 INFO L85 PathProgramCache]: Analyzing trace with hash -370298333, now seen corresponding path program 1 times [2021-11-23 03:49:19,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:19,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857113402] [2021-11-23 03:49:19,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:19,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 912 trivial. 0 not checked. [2021-11-23 03:49:20,254 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:20,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857113402] [2021-11-23 03:49:20,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857113402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:20,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:20,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:49:20,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281994063] [2021-11-23 03:49:20,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:20,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:49:20,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:20,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:49:20,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:49:20,259 INFO L87 Difference]: Start difference. First operand 2536 states and 3678 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-23 03:49:23,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:23,759 INFO L93 Difference]: Finished difference Result 5492 states and 7930 transitions. [2021-11-23 03:49:23,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:49:23,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 298 [2021-11-23 03:49:23,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:23,796 INFO L225 Difference]: With dead ends: 5492 [2021-11-23 03:49:23,796 INFO L226 Difference]: Without dead ends: 3003 [2021-11-23 03:49:23,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:49:23,820 INFO L933 BasicCegarLoop]: 1776 mSDtfsCounter, 397 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 3265 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:23,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 3265 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 03:49:23,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3003 states. [2021-11-23 03:49:24,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3003 to 2997. [2021-11-23 03:49:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2997 states, 1913 states have (on average 1.3727130162049137) internal successors, (2626), 1966 states have internal predecessors, (2626), 842 states have call successors, (842), 243 states have call predecessors, (842), 241 states have return successors, (845), 823 states have call predecessors, (845), 840 states have call successors, (845) [2021-11-23 03:49:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 4313 transitions. [2021-11-23 03:49:24,084 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 4313 transitions. Word has length 298 [2021-11-23 03:49:24,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:24,089 INFO L470 AbstractCegarLoop]: Abstraction has 2997 states and 4313 transitions. [2021-11-23 03:49:24,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-23 03:49:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 4313 transitions. [2021-11-23 03:49:24,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-23 03:49:24,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:24,112 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 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] [2021-11-23 03:49:24,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:49:24,112 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:49:24,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:24,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1945953974, now seen corresponding path program 1 times [2021-11-23 03:49:24,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:24,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566764036] [2021-11-23 03:49:24,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:24,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2021-11-23 03:49:24,541 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:24,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566764036] [2021-11-23 03:49:24,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566764036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:24,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:24,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:49:24,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129628472] [2021-11-23 03:49:24,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:24,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:49:24,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:24,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:49:24,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:49:24,545 INFO L87 Difference]: Start difference. First operand 2997 states and 4313 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-23 03:49:29,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:29,101 INFO L93 Difference]: Finished difference Result 5953 states and 8569 transitions. [2021-11-23 03:49:29,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:49:29,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 327 [2021-11-23 03:49:29,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:29,131 INFO L225 Difference]: With dead ends: 5953 [2021-11-23 03:49:29,132 INFO L226 Difference]: Without dead ends: 3008 [2021-11-23 03:49:29,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:49:29,157 INFO L933 BasicCegarLoop]: 1712 mSDtfsCounter, 10 mSDsluCounter, 3766 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5131 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:29,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 5131 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-23 03:49:29,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3008 states. [2021-11-23 03:49:29,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3008 to 3000. [2021-11-23 03:49:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 1916 states have (on average 1.3710855949895615) internal successors, (2627), 1969 states have internal predecessors, (2627), 842 states have call successors, (842), 243 states have call predecessors, (842), 241 states have return successors, (845), 823 states have call predecessors, (845), 840 states have call successors, (845) [2021-11-23 03:49:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 4314 transitions. [2021-11-23 03:49:29,434 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 4314 transitions. Word has length 327 [2021-11-23 03:49:29,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:29,440 INFO L470 AbstractCegarLoop]: Abstraction has 3000 states and 4314 transitions. [2021-11-23 03:49:29,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-23 03:49:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 4314 transitions. [2021-11-23 03:49:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-23 03:49:29,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:29,466 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 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] [2021-11-23 03:49:29,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:49:29,467 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:49:29,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:29,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1532041720, now seen corresponding path program 1 times [2021-11-23 03:49:29,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:29,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798108283] [2021-11-23 03:49:29,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:29,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2021-11-23 03:49:29,874 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:29,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798108283] [2021-11-23 03:49:29,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798108283] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:49:29,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462050621] [2021-11-23 03:49:29,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:29,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:29,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:29,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:49:29,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:49:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:31,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 3321 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 03:49:31,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:49:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2021-11-23 03:49:32,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:49:32,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462050621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:32,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:49:32,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2021-11-23 03:49:32,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417976427] [2021-11-23 03:49:32,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:32,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:49:32,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:32,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:49:32,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-23 03:49:32,178 INFO L87 Difference]: Start difference. First operand 3000 states and 4314 transitions. Second operand has 6 states, 4 states have (on average 26.0) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-23 03:49:34,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:36,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:38,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:45,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:45,020 INFO L93 Difference]: Finished difference Result 5974 states and 8624 transitions. [2021-11-23 03:49:45,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:49:45,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 26.0) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 330 [2021-11-23 03:49:45,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:45,051 INFO L225 Difference]: With dead ends: 5974 [2021-11-23 03:49:45,052 INFO L226 Difference]: Without dead ends: 3003 [2021-11-23 03:49:45,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:49:45,081 INFO L933 BasicCegarLoop]: 1703 mSDtfsCounter, 3 mSDsluCounter, 7480 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8492 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:45,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 8492 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 942 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2021-11-23 03:49:45,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3003 states. [2021-11-23 03:49:45,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3003 to 3003. [2021-11-23 03:49:45,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 1919 states have (on average 1.3705054715997915) internal successors, (2630), 1972 states have internal predecessors, (2630), 842 states have call successors, (842), 243 states have call predecessors, (842), 241 states have return successors, (845), 823 states have call predecessors, (845), 840 states have call successors, (845) [2021-11-23 03:49:45,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 4317 transitions. [2021-11-23 03:49:45,230 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 4317 transitions. Word has length 330 [2021-11-23 03:49:45,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:45,231 INFO L470 AbstractCegarLoop]: Abstraction has 3003 states and 4317 transitions. [2021-11-23 03:49:45,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 26.0) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-23 03:49:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 4317 transitions. [2021-11-23 03:49:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-23 03:49:45,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:45,247 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 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] [2021-11-23 03:49:45,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:49:45,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:45,476 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:49:45,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:45,477 INFO L85 PathProgramCache]: Analyzing trace with hash -309954416, now seen corresponding path program 1 times [2021-11-23 03:49:45,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:45,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550321400] [2021-11-23 03:49:45,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:45,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2021-11-23 03:49:45,869 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:45,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550321400] [2021-11-23 03:49:45,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550321400] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:49:45,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922023268] [2021-11-23 03:49:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:45,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:45,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:45,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:49:45,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:49:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:47,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 3375 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 03:49:47,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:49:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2021-11-23 03:49:48,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:49:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2021-11-23 03:49:49,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922023268] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 03:49:49,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:49:49,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 6] total 12 [2021-11-23 03:49:49,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852522289] [2021-11-23 03:49:49,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:49,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:49:49,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:49,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:49:49,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:49:49,056 INFO L87 Difference]: Start difference. First operand 3003 states and 4317 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-11-23 03:49:56,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:49:56,461 INFO L93 Difference]: Finished difference Result 5961 states and 8623 transitions. [2021-11-23 03:49:56,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:49:56,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 339 [2021-11-23 03:49:56,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:49:56,488 INFO L225 Difference]: With dead ends: 5961 [2021-11-23 03:49:56,488 INFO L226 Difference]: Without dead ends: 3017 [2021-11-23 03:49:56,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 671 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:49:56,508 INFO L933 BasicCegarLoop]: 1717 mSDtfsCounter, 2 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6862 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:49:56,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 6862 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-11-23 03:49:56,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2021-11-23 03:49:56,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 3011. [2021-11-23 03:49:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3011 states, 1925 states have (on average 1.3693506493506493) internal successors, (2636), 1978 states have internal predecessors, (2636), 842 states have call successors, (842), 243 states have call predecessors, (842), 243 states have return successors, (853), 825 states have call predecessors, (853), 840 states have call successors, (853) [2021-11-23 03:49:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 3011 states and 4331 transitions. [2021-11-23 03:49:56,684 INFO L78 Accepts]: Start accepts. Automaton has 3011 states and 4331 transitions. Word has length 339 [2021-11-23 03:49:56,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:49:56,686 INFO L470 AbstractCegarLoop]: Abstraction has 3011 states and 4331 transitions. [2021-11-23 03:49:56,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-11-23 03:49:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 4331 transitions. [2021-11-23 03:49:56,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-23 03:49:56,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:49:56,704 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 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] [2021-11-23 03:49:56,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:49:56,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:56,928 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:49:56,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:49:56,929 INFO L85 PathProgramCache]: Analyzing trace with hash -880077521, now seen corresponding path program 1 times [2021-11-23 03:49:56,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:49:56,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54578434] [2021-11-23 03:49:56,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:56,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2021-11-23 03:49:57,354 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:57,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54578434] [2021-11-23 03:49:57,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54578434] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:49:57,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728998315] [2021-11-23 03:49:57,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:49:57,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:49:57,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:57,439 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:49:57,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b54824-ed8c-42d5-8b94-25906d3a8c45/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:50:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:50:00,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 3378 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 03:50:00,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:50:01,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2021-11-23 03:50:01,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:50:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2021-11-23 03:50:01,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728998315] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:50:01,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [722095661] [2021-11-23 03:50:01,946 INFO L159 IcfgInterpreter]: Started Sifa with 149 locations of interest [2021-11-23 03:50:01,946 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:50:01,954 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:50:01,961 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:50:01,961 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:50:04,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:04,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:04,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:04,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:04,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:04,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:04,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:04,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:50:05,055 INFO L244 Elim1Store]: Index analysis took 981 ms [2021-11-23 03:52:32,959 WARN L227 SmtUtils]: Spent 2.46m on a formula simplification. DAG size of input: 3483 DAG size of output: 1377 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:52:32,968 INFO L354 Elim1Store]: treesize reduction 20214, result has 13.6 percent of original size [2021-11-23 03:52:32,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 99 select indices, 99 select index equivalence classes, 4869 disjoint index pairs (out of 4851 index pairs), introduced 99 new quantified variables, introduced 106 case distinctions, treesize of input 526 treesize of output 3500 [2021-11-23 03:52:37,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:52:42,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:52:46,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:52:48,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:52:50,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:52:52,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:52:52,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:52:52,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:52:52,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:52:57,348 INFO L244 Elim1Store]: Index analysis took 20577 ms [2021-11-23 03:58:07,127 WARN L227 SmtUtils]: Spent 5.16m on a formula simplification. DAG size of input: 5223 DAG size of output: 2184 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:58:07,135 INFO L354 Elim1Store]: treesize reduction 26692, result has 13.2 percent of original size [2021-11-23 03:58:07,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 109 select indices, 109 select index equivalence classes, 4968 disjoint index pairs (out of 5886 index pairs), introduced 109 new quantified variables, introduced 1032 case distinctions, treesize of input 720 treesize of output 4545 [2021-11-23 03:58:12,265 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 106 [2021-11-23 03:58:12,552 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 106 [2021-11-23 03:58:12,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-23 03:58:12,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 03:58:12,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 03:58:13,154 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 106 [2021-11-23 03:58:14,203 INFO L388 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 [2021-11-23 03:58:14,238 INFO L388 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 [2021-11-23 03:58:14,257 INFO L388 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 [2021-11-23 03:58:14,539 INFO L388 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 [2021-11-23 03:58:14,569 INFO L388 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 [2021-11-23 03:58:14,599 INFO L388 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 [2021-11-23 03:58:15,145 INFO L388 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 [2021-11-23 03:58:15,183 INFO L388 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 [2021-11-23 03:58:15,246 INFO L388 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 [2021-11-23 03:58:15,532 INFO L388 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 [2021-11-23 03:58:15,573 INFO L388 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 [2021-11-23 03:58:15,598 INFO L388 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 [2021-11-23 03:58:16,076 INFO L388 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 [2021-11-23 03:58:16,114 INFO L388 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 [2021-11-23 03:58:16,144 INFO L388 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 [2021-11-23 03:58:16,534 INFO L388 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 [2021-11-23 03:58:16,576 INFO L388 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 [2021-11-23 03:58:16,613 INFO L388 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 [2021-11-23 03:58:17,135 INFO L388 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 [2021-11-23 03:58:17,181 INFO L388 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 [2021-11-23 03:58:17,223 INFO L388 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 [2021-11-23 03:58:17,634 INFO L388 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 [2021-11-23 03:58:17,693 INFO L388 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 [2021-11-23 03:58:17,725 INFO L388 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 [2021-11-23 03:58:18,998 INFO L388 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 [2021-11-23 03:58:19,034 INFO L388 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 [2021-11-23 03:58:19,060 INFO L388 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 [2021-11-23 03:58:19,087 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:19,089 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:19,107 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:20,248 INFO L388 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 [2021-11-23 03:58:20,282 INFO L388 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 [2021-11-23 03:58:20,314 INFO L388 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 [2021-11-23 03:58:20,344 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:20,347 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:20,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:22,138 INFO L388 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 [2021-11-23 03:58:22,183 INFO L388 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 [2021-11-23 03:58:22,214 INFO L388 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 [2021-11-23 03:58:22,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:22,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:22,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:23,240 INFO L388 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 [2021-11-23 03:58:23,268 INFO L388 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 [2021-11-23 03:58:23,300 INFO L388 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 [2021-11-23 03:58:23,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:23,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:23,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:25,217 INFO L388 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 [2021-11-23 03:58:25,247 INFO L388 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 [2021-11-23 03:58:25,285 INFO L388 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 [2021-11-23 03:58:25,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:25,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:25,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:26,218 INFO L388 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 [2021-11-23 03:58:26,246 INFO L388 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 [2021-11-23 03:58:26,272 INFO L388 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 [2021-11-23 03:58:26,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:26,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:26,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:28,835 INFO L388 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 [2021-11-23 03:58:28,864 INFO L388 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 [2021-11-23 03:58:28,901 INFO L388 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 [2021-11-23 03:58:28,934 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:28,936 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:28,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:30,635 INFO L388 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 [2021-11-23 03:58:30,667 INFO L388 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 [2021-11-23 03:58:30,697 INFO L388 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 [2021-11-23 03:58:30,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:30,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:30,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:31,500 INFO L388 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 [2021-11-23 03:58:31,549 INFO L388 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 [2021-11-23 03:58:31,604 INFO L388 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 [2021-11-23 03:58:32,056 INFO L388 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 [2021-11-23 03:58:32,096 INFO L388 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 [2021-11-23 03:58:32,135 INFO L388 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 [2021-11-23 03:58:34,821 INFO L388 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 [2021-11-23 03:58:34,864 INFO L388 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 [2021-11-23 03:58:34,902 INFO L388 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 [2021-11-23 03:58:34,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:34,947 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:34,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:37,175 INFO L388 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 [2021-11-23 03:58:37,213 INFO L388 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 [2021-11-23 03:58:37,259 INFO L388 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 [2021-11-23 03:58:37,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:37,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:37,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:41,069 INFO L388 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 [2021-11-23 03:58:41,121 INFO L388 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 [2021-11-23 03:58:41,161 INFO L388 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 [2021-11-23 03:58:41,214 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:41,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:41,227 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:44,204 INFO L388 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 [2021-11-23 03:58:44,259 INFO L388 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 [2021-11-23 03:58:44,301 INFO L388 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 [2021-11-23 03:58:44,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:44,344 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:44,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:47,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 03:58:47,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 03:58:47,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 03:58:47,491 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:58:47,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-23 03:58:47,512 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 03:58:47,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-23 03:58:47,529 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:58:47,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-23 03:58:47,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:58:47,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 03:58:47,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:58:48,120 INFO L388 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 [2021-11-23 03:58:48,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:58:51,751 INFO L388 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 [2021-11-23 03:58:51,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:59:51,462 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-23 03:59:51,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 614 treesize of output 612 [2021-11-23 03:59:51,592 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-23 03:59:51,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 605 treesize of output 607 [2021-11-23 03:59:54,576 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-23 03:59:54,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 602 treesize of output 594 [2021-11-23 03:59:54,654 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-23 03:59:54,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 588 treesize of output 580 [2021-11-23 03:59:57,048 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-23 03:59:57,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 602 treesize of output 594 [2021-11-23 03:59:57,107 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-23 03:59:57,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 588 treesize of output 580 [2021-11-23 04:00:00,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 04:00:00,485 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-23 04:00:00,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 757 treesize of output 759 [2021-11-23 04:00:00,669 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-23 04:00:00,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 615 treesize of output 613 [2021-11-23 04:00:02,766 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-23 04:00:02,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 602 treesize of output 594 [2021-11-23 04:00:02,825 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-23 04:00:02,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 588 treesize of output 580 [2021-11-23 04:00:04,781 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-23 04:00:04,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 602 treesize of output 594 [2021-11-23 04:00:04,841 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-23 04:00:04,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 588 treesize of output 580 [2021-11-23 04:00:44,697 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 106 [2021-11-23 04:00:45,133 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 106 [2021-11-23 04:00:45,409 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 196 for LOIs [2021-11-23 04:00:45,898 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 204 for LOIs [2021-11-23 04:00:46,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 04:00:46,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-23 04:00:47,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 04:00:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:00:47,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-23 04:00:48,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-23 04:00:48,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:00:48,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-11-23 04:00:49,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-23 04:00:49,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 04:00:49,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-11-23 04:00:49,601 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 211 for LOIs [2021-11-23 04:00:49,680 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 193 for LOIs [2021-11-23 04:00:49,762 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 241 for LOIs [2021-11-23 04:00:50,125 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 205 for LOIs [2021-11-23 04:00:50,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 04:00:50,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 04:00:50,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 04:00:50,835 INFO L180 IcfgInterpreter]: Interpretation finished