./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:41:15,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:41:15,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:41:15,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:41:15,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:41:15,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:41:15,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:41:15,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:41:15,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:41:15,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:41:15,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:41:15,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:41:15,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:41:15,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:41:15,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:41:15,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:41:15,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:41:15,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:41:15,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:41:15,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:41:15,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:41:15,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:41:15,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:41:15,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:41:15,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:41:15,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:41:15,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:41:15,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:41:15,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:41:15,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:41:15,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:41:15,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:41:15,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:41:15,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:41:15,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:41:15,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:41:15,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:41:15,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:41:15,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:41:15,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:41:15,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:41:15,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:41:15,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:41:15,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:41:15,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:41:15,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:41:15,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:41:15,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:41:15,234 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:41:15,234 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:41:15,234 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:41:15,234 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:41:15,235 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:41:15,236 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:41:15,236 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:41:15,236 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:41:15,236 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:41:15,237 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:41:15,237 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:41:15,237 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:41:15,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:41:15,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:41:15,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:41:15,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:41:15,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:41:15,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:41:15,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:41:15,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:41:15,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:41:15,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:41:15,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:41:15,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:41:15,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:41:15,241 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:41:15,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:41:15,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:41:15,242 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:41:15,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:41:15,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:41:15,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:41:15,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 [2022-11-03 02:41:15,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:41:15,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:41:15,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:41:15,578 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:41:15,579 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:41:15,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-03 02:41:15,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/data/800c61a8b/1908828b95bc4c668c89066af1af0404/FLAG154763b85 [2022-11-03 02:41:16,643 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:41:16,644 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-03 02:41:16,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/data/800c61a8b/1908828b95bc4c668c89066af1af0404/FLAG154763b85 [2022-11-03 02:41:17,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/data/800c61a8b/1908828b95bc4c668c89066af1af0404 [2022-11-03 02:41:17,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:41:17,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:41:17,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:41:17,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:41:17,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:41:17,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:41:17" (1/1) ... [2022-11-03 02:41:17,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6518c026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:17, skipping insertion in model container [2022-11-03 02:41:17,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:41:17" (1/1) ... [2022-11-03 02:41:17,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:41:17,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:41:21,191 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_e79e883f-3b1f-448e-97d8-d21ae24c73fb/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2022-11-03 02:41:21,194 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_e79e883f-3b1f-448e-97d8-d21ae24c73fb/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2022-11-03 02:41:21,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:41:21,244 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:41:21,730 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_e79e883f-3b1f-448e-97d8-d21ae24c73fb/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2022-11-03 02:41:21,731 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_e79e883f-3b1f-448e-97d8-d21ae24c73fb/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2022-11-03 02:41:21,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:41:22,043 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:41:22,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22 WrapperNode [2022-11-03 02:41:22,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:41:22,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:41:22,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:41:22,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:41:22,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,389 INFO L138 Inliner]: procedures = 547, calls = 2335, calls flagged for inlining = 258, calls inlined = 200, statements flattened = 4937 [2022-11-03 02:41:22,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:41:22,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:41:22,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:41:22,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:41:22,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,654 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:41:22,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:41:22,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:41:22,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:41:22,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (1/1) ... [2022-11-03 02:41:22,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:41:22,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:41:22,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:41:22,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:41:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-11-03 02:41:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-11-03 02:41:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:41:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:41:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-03 02:41:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-03 02:41:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 02:41:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 02:41:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:41:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:41:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-11-03 02:41:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-11-03 02:41:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-11-03 02:41:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-11-03 02:41:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:41:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:41:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2022-11-03 02:41:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2022-11-03 02:41:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:41:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:41:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-11-03 02:41:22,809 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-11-03 02:41:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-03 02:41:22,809 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-03 02:41:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-11-03 02:41:22,809 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-11-03 02:41:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-11-03 02:41:22,809 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-11-03 02:41:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-11-03 02:41:22,810 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-11-03 02:41:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:41:22,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:41:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-11-03 02:41:22,810 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-11-03 02:41:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-11-03 02:41:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-11-03 02:41:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:41:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:41:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:41:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:41:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:41:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:41:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-11-03 02:41:22,812 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-11-03 02:41:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:41:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 02:41:22,812 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 02:41:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-11-03 02:41:22,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-11-03 02:41:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-11-03 02:41:22,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-11-03 02:41:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:41:22,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:41:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:41:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-11-03 02:41:22,813 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-11-03 02:41:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-03 02:41:22,813 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-03 02:41:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-03 02:41:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-03 02:41:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:41:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:41:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:41:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:41:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:41:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2022-11-03 02:41:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2022-11-03 02:41:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:41:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:41:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:41:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:41:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:41:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:41:22,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:41:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2022-11-03 02:41:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2022-11-03 02:41:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:41:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:41:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2022-11-03 02:41:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2022-11-03 02:41:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:41:22,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:41:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2022-11-03 02:41:22,817 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2022-11-03 02:41:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-11-03 02:41:22,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-11-03 02:41:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_uninit [2022-11-03 02:41:22,817 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_uninit [2022-11-03 02:41:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-03 02:41:22,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-03 02:41:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:41:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:41:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:41:22,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:41:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:41:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 02:41:22,818 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 02:41:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:41:22,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:41:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 02:41:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 02:41:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 02:41:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 02:41:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-11-03 02:41:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-11-03 02:41:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 02:41:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 02:41:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:41:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:41:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:41:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:41:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 02:41:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 02:41:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:41:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:41:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2022-11-03 02:41:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2022-11-03 02:41:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:41:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:41:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:41:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:41:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:41:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:41:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:41:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:41:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2022-11-03 02:41:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2022-11-03 02:41:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-03 02:41:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-03 02:41:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-11-03 02:41:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-11-03 02:41:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:41:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:41:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:41:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:41:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-03 02:41:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-03 02:41:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-11-03 02:41:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-11-03 02:41:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:41:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:41:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:41:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:41:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-03 02:41:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-03 02:41:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-11-03 02:41:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-11-03 02:41:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-03 02:41:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-03 02:41:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:41:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-11-03 02:41:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-11-03 02:41:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-11-03 02:41:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-11-03 02:41:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-11-03 02:41:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-11-03 02:41:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2022-11-03 02:41:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2022-11-03 02:41:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:41:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-03 02:41:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-03 02:41:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2022-11-03 02:41:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2022-11-03 02:41:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-11-03 02:41:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-11-03 02:41:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:41:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 02:41:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 02:41:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-11-03 02:41:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-11-03 02:41:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-11-03 02:41:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-11-03 02:41:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:41:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:41:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:41:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:41:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-03 02:41:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-03 02:41:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-11-03 02:41:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-11-03 02:41:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-03 02:41:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-03 02:41:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2022-11-03 02:41:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2022-11-03 02:41:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-11-03 02:41:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-11-03 02:41:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-03 02:41:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-03 02:41:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-03 02:41:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-03 02:41:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 02:41:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 02:41:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:41:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:41:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-03 02:41:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-03 02:41:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-11-03 02:41:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-11-03 02:41:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:41:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:41:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:41:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:41:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-11-03 02:41:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-11-03 02:41:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:41:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-03 02:41:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-03 02:41:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:41:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:41:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2022-11-03 02:41:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2022-11-03 02:41:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:41:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:41:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2022-11-03 02:41:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2022-11-03 02:41:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-11-03 02:41:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-11-03 02:41:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 02:41:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 02:41:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-03 02:41:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-03 02:41:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2022-11-03 02:41:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2022-11-03 02:41:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2022-11-03 02:41:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2022-11-03 02:41:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 02:41:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 02:41:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-03 02:41:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-03 02:41:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:41:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:41:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2022-11-03 02:41:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2022-11-03 02:41:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2022-11-03 02:41:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2022-11-03 02:41:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:41:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:41:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:41:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-03 02:41:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-03 02:41:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-03 02:41:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-03 02:41:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-11-03 02:41:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-11-03 02:41:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-11-03 02:41:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-11-03 02:41:23,894 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:41:23,898 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:41:24,126 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:41:33,225 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:41:34,479 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:41:34,479 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:41:34,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:41:34 BoogieIcfgContainer [2022-11-03 02:41:34,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:41:34,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:41:34,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:41:34,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:41:34,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:41:17" (1/3) ... [2022-11-03 02:41:34,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c722d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:41:34, skipping insertion in model container [2022-11-03 02:41:34,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:22" (2/3) ... [2022-11-03 02:41:34,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c722d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:41:34, skipping insertion in model container [2022-11-03 02:41:34,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:41:34" (3/3) ... [2022-11-03 02:41:34,504 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-03 02:41:34,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:41:34,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:41:34,789 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:41:34,798 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a661f4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:41:34,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:41:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 1231 states, 688 states have (on average 1.254360465116279) internal successors, (863), 727 states have internal predecessors, (863), 427 states have call successors, (427), 115 states have call predecessors, (427), 114 states have return successors, (423), 420 states have call predecessors, (423), 423 states have call successors, (423) [2022-11-03 02:41:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-03 02:41:34,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:34,863 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:34,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:34,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:34,873 INFO L85 PathProgramCache]: Analyzing trace with hash 102472443, now seen corresponding path program 1 times [2022-11-03 02:41:34,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:34,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413310187] [2022-11-03 02:41:34,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:34,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-03 02:41:38,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:38,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413310187] [2022-11-03 02:41:38,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413310187] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:41:38,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978760660] [2022-11-03 02:41:38,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:38,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:41:38,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:41:38,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:41:38,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:41:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:40,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 2775 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:41:40,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:40,458 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-03 02:41:40,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:41:40,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978760660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:40,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:41:40,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 12 [2022-11-03 02:41:40,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568790539] [2022-11-03 02:41:40,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:40,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:41:40,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:40,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:41:40,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:41:40,500 INFO L87 Difference]: Start difference. First operand has 1231 states, 688 states have (on average 1.254360465116279) internal successors, (863), 727 states have internal predecessors, (863), 427 states have call successors, (427), 115 states have call predecessors, (427), 114 states have return successors, (423), 420 states have call predecessors, (423), 423 states have call successors, (423) Second operand has 10 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-03 02:41:50,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:55,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:55,139 INFO L93 Difference]: Finished difference Result 2452 states and 3424 transitions. [2022-11-03 02:41:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:41:55,144 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 153 [2022-11-03 02:41:55,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:55,174 INFO L225 Difference]: With dead ends: 2452 [2022-11-03 02:41:55,175 INFO L226 Difference]: Without dead ends: 1201 [2022-11-03 02:41:55,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:41:55,198 INFO L413 NwaCegarLoop]: 1426 mSDtfsCounter, 13 mSDsluCounter, 13376 mSDsCounter, 0 mSdLazyCounter, 2678 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 12747 SdHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2678 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:55,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 12747 Invalid, 2696 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2678 Invalid, 1 Unknown, 0 Unchecked, 14.2s Time] [2022-11-03 02:41:55,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2022-11-03 02:41:55,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1201. [2022-11-03 02:41:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 683 states have (on average 1.2430453879941434) internal successors, (849), 718 states have internal predecessors, (849), 404 states have call successors, (404), 113 states have call predecessors, (404), 113 states have return successors, (404), 401 states have call predecessors, (404), 404 states have call successors, (404) [2022-11-03 02:41:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1657 transitions. [2022-11-03 02:41:55,432 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1657 transitions. Word has length 153 [2022-11-03 02:41:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:55,433 INFO L495 AbstractCegarLoop]: Abstraction has 1201 states and 1657 transitions. [2022-11-03 02:41:55,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-03 02:41:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1657 transitions. [2022-11-03 02:41:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-03 02:41:55,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:55,443 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:55,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:55,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:41:55,667 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:55,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:55,668 INFO L85 PathProgramCache]: Analyzing trace with hash -347991229, now seen corresponding path program 1 times [2022-11-03 02:41:55,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:55,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045197527] [2022-11-03 02:41:55,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:55,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:01,450 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-11-03 02:42:01,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:42:01,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045197527] [2022-11-03 02:42:01,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045197527] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:42:01,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789573391] [2022-11-03 02:42:01,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:01,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:42:01,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:42:01,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:42:01,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79e883f-3b1f-448e-97d8-d21ae24c73fb/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:42:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:02,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 2852 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-03 02:42:02,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-03 02:42:02,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:42:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-11-03 02:42:03,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789573391] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:42:03,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1368800905] [2022-11-03 02:42:03,526 INFO L159 IcfgInterpreter]: Started Sifa with 111 locations of interest [2022-11-03 02:42:03,527 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:42:03,533 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:42:03,539 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:42:03,540 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:42:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:09,853 INFO L244 Elim1Store]: Index analysis took 361 ms [2022-11-03 02:42:10,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 117 select indices, 117 select index equivalence classes, 2821 disjoint index pairs (out of 6786 index pairs), introduced 117 new quantified variables, introduced 0 case distinctions, treesize of input 1075 treesize of output 1415 [2022-11-03 02:42:11,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:11,462 INFO L244 Elim1Store]: Index analysis took 265 ms [2022-11-03 02:42:11,765 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 117 select indices, 117 select index equivalence classes, 2819 disjoint index pairs (out of 6786 index pairs), introduced 117 new quantified variables, introduced 0 case distinctions, treesize of input 1072 treesize of output 1408 [2022-11-03 02:42:13,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:13,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 1345 treesize of output 1174 [2022-11-03 02:42:15,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:42:15,995 INFO L244 Elim1Store]: Index analysis took 319 ms [2022-11-03 02:42:16,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 117 select indices, 117 select index equivalence classes, 2828 disjoint index pairs (out of 6786 index pairs), introduced 117 new quantified variables, introduced 0 case distinctions, treesize of input 1085 treesize of output 1433 [2022-11-03 02:45:24,241 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 2446 for LOIs [2022-11-03 02:45:26,875 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_filter_positive_int with input of size 2457 for LOIs [2022-11-03 02:46:02,216 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 149 for LOIs [2022-11-03 02:46:02,246 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:47:03,248 WARN L234 SmtUtils]: Spent 59.14s on a formula simplification that was a NOOP. DAG size: 2459 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:48:04,590 WARN L234 SmtUtils]: Spent 59.44s on a formula simplification that was a NOOP. DAG size: 2476 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:49:56,243 WARN L234 SmtUtils]: Spent 1.83m on a formula simplification. DAG size of input: 2513 DAG size of output: 2510 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:50:49,030 WARN L234 SmtUtils]: Spent 50.96s on a formula simplification that was a NOOP. DAG size: 2446 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:51:43,302 WARN L234 SmtUtils]: Spent 52.57s on a formula simplification that was a NOOP. DAG size: 2454 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:53:32,239 WARN L234 SmtUtils]: Spent 1.78m on a formula simplification. DAG size of input: 2554 DAG size of output: 2521 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)