./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:38:39,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:38:39,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:38:39,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:38:39,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:38:39,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:38:39,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:38:39,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:38:39,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:38:39,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:38:39,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:38:39,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:38:39,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:38:39,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:38:39,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:38:39,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:38:39,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:38:39,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:38:39,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:38:39,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:38:39,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:38:39,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:38:39,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:38:39,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:38:39,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:38:39,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:38:39,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:38:39,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:38:39,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:38:39,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:38:39,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:38:39,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:38:39,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:38:39,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:38:39,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:38:39,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:38:39,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:38:39,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:38:39,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:38:39,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:38:39,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:38:39,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:38:39,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:38:39,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:38:39,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:38:39,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:38:39,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:38:39,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:38:39,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:38:39,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:38:39,222 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:38:39,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:38:39,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:38:39,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:38:39,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:38:39,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:38:39,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:38:39,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:38:39,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:38:39,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:38:39,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:38:39,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:38:39,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:38:39,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:38:39,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:38:39,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:38:39,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:38:39,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:38:39,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:38:39,225 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:38:39,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:38:39,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:38:39,226 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 [2021-12-28 04:38:39,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:38:39,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:38:39,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:38:39,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:38:39,540 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:38:39,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-12-28 04:38:39,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61db23757/d0a290ad6b00473e82badad4b03ba5aa/FLAG1ed70710d [2021-12-28 04:38:40,374 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:38:40,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-12-28 04:38:40,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61db23757/d0a290ad6b00473e82badad4b03ba5aa/FLAG1ed70710d [2021-12-28 04:38:40,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61db23757/d0a290ad6b00473e82badad4b03ba5aa [2021-12-28 04:38:40,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:38:40,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:38:40,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:38:40,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:38:40,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:38:40,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:38:40" (1/1) ... [2021-12-28 04:38:40,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ee520d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:40, skipping insertion in model container [2021-12-28 04:38:40,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:38:40" (1/1) ... [2021-12-28 04:38:40,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:38:40,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:38:44,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2021-12-28 04:38:44,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2021-12-28 04:38:44,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:38:44,320 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:38:44,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2021-12-28 04:38:44,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2021-12-28 04:38:44,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:38:44,899 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:38:44,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44 WrapperNode [2021-12-28 04:38:44,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:38:44,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:38:44,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:38:44,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:38:44,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (1/1) ... [2021-12-28 04:38:45,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (1/1) ... [2021-12-28 04:38:45,233 INFO L137 Inliner]: procedures = 623, calls = 3565, calls flagged for inlining = 310, calls inlined = 274, statements flattened = 8094 [2021-12-28 04:38:45,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:38:45,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:38:45,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:38:45,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:38:45,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (1/1) ... [2021-12-28 04:38:45,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (1/1) ... [2021-12-28 04:38:45,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (1/1) ... [2021-12-28 04:38:45,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (1/1) ... [2021-12-28 04:38:45,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (1/1) ... [2021-12-28 04:38:45,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (1/1) ... [2021-12-28 04:38:45,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (1/1) ... [2021-12-28 04:38:45,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:38:45,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:38:45,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:38:45,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:38:45,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (1/1) ... [2021-12-28 04:38:45,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:38:45,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:38:45,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:38:45,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:38:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:38:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:38:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:38:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:38:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2021-12-28 04:38:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2021-12-28 04:38:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:38:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:38:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2021-12-28 04:38:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2021-12-28 04:38:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-28 04:38:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-28 04:38:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:38:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:38:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:38:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:38:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2021-12-28 04:38:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2021-12-28 04:38:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-28 04:38:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-28 04:38:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 04:38:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 04:38:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:38:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:38:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:38:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:38:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:38:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:38:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2021-12-28 04:38:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2021-12-28 04:38:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2021-12-28 04:38:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2021-12-28 04:38:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2021-12-28 04:38:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2021-12-28 04:38:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2021-12-28 04:38:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2021-12-28 04:38:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:38:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:38:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:38:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:38:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2021-12-28 04:38:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2021-12-28 04:38:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:38:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:38:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:38:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:38:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:38:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:38:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:38:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:38:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:38:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:38:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2021-12-28 04:38:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2021-12-28 04:38:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:38:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:38:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 04:38:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 04:38:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:38:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2021-12-28 04:38:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2021-12-28 04:38:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-28 04:38:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-28 04:38:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2021-12-28 04:38:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2021-12-28 04:38:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 04:38:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 04:38:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2021-12-28 04:38:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2021-12-28 04:38:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-28 04:38:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-28 04:38:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:38:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:38:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:38:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:38:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:38:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2021-12-28 04:38:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2021-12-28 04:38:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:38:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:38:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:38:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:38:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2021-12-28 04:38:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2021-12-28 04:38:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:38:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:38:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:38:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:38:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:38:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:38:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-28 04:38:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-28 04:38:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:38:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:38:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 04:38:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 04:38:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-28 04:38:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-28 04:38:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:38:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:38:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-28 04:38:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-28 04:38:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:38:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:38:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:38:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:38:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2021-12-28 04:38:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2021-12-28 04:38:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 04:38:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 04:38:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:38:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:38:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2021-12-28 04:38:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2021-12-28 04:38:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:38:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2021-12-28 04:38:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2021-12-28 04:38:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:38:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:38:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:38:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:38:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:38:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 04:38:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 04:38:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:38:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:38:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:38:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:38:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:38:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:38:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-28 04:38:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-28 04:38:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-28 04:38:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-28 04:38:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-28 04:38:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-28 04:38:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-28 04:38:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-28 04:38:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2021-12-28 04:38:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2021-12-28 04:38:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2021-12-28 04:38:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2021-12-28 04:38:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 04:38:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 04:38:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2021-12-28 04:38:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2021-12-28 04:38:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:38:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:38:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 04:38:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 04:38:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:38:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:38:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:38:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:38:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2021-12-28 04:38:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2021-12-28 04:38:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-28 04:38:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-28 04:38:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:38:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:38:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:38:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:38:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2021-12-28 04:38:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2021-12-28 04:38:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-28 04:38:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-28 04:38:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-28 04:38:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-28 04:38:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:38:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:38:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-28 04:38:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-28 04:38:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:38:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:38:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:38:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:38:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:38:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:38:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:38:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:38:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:38:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:38:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 04:38:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 04:38:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 04:38:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 04:38:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2021-12-28 04:38:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2021-12-28 04:38:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2021-12-28 04:38:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2021-12-28 04:38:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:38:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:38:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-28 04:38:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-28 04:38:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-28 04:38:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-28 04:38:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2021-12-28 04:38:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2021-12-28 04:38:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 04:38:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 04:38:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:38:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:38:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2021-12-28 04:38:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2021-12-28 04:38:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:38:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:38:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 04:38:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 04:38:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:38:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:38:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:38:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 04:38:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 04:38:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:38:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:38:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2021-12-28 04:38:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2021-12-28 04:38:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_114 [2021-12-28 04:38:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_114 [2021-12-28 04:38:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:38:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2021-12-28 04:38:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2021-12-28 04:38:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2021-12-28 04:38:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2021-12-28 04:38:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-28 04:38:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-28 04:38:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2021-12-28 04:38:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2021-12-28 04:38:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2021-12-28 04:38:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2021-12-28 04:38:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:38:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2021-12-28 04:38:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2021-12-28 04:38:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 04:38:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 04:38:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 04:38:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 04:38:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:38:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:38:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:38:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:38:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:38:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:38:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:38:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:38:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2021-12-28 04:38:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2021-12-28 04:38:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2021-12-28 04:38:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2021-12-28 04:38:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2021-12-28 04:38:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2021-12-28 04:38:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:38:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:38:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-28 04:38:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-28 04:38:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2021-12-28 04:38:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2021-12-28 04:38:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:38:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:38:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-28 04:38:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-28 04:38:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2021-12-28 04:38:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2021-12-28 04:38:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:38:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:38:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:38:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2021-12-28 04:38:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2021-12-28 04:38:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:38:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:38:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2021-12-28 04:38:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2021-12-28 04:38:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2021-12-28 04:38:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2021-12-28 04:38:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:38:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:38:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 04:38:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 04:38:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2021-12-28 04:38:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2021-12-28 04:38:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2021-12-28 04:38:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2021-12-28 04:38:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 04:38:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 04:38:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2021-12-28 04:38:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2021-12-28 04:38:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-28 04:38:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-28 04:38:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:38:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:38:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:38:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:38:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:38:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:38:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2021-12-28 04:38:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2021-12-28 04:38:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-28 04:38:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-28 04:38:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 04:38:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 04:38:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2021-12-28 04:38:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2021-12-28 04:38:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-28 04:38:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-28 04:38:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:38:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:38:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:38:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-28 04:38:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-28 04:38:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:38:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:38:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2021-12-28 04:38:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2021-12-28 04:38:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2021-12-28 04:38:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2021-12-28 04:38:46,499 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:38:46,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:38:46,826 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:38:56,773 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:38:56,850 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:38:56,869 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:38:56,869 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:38:56,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:38:56 BoogieIcfgContainer [2021-12-28 04:38:56,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:38:56,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:38:56,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:38:56,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:38:56,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:38:40" (1/3) ... [2021-12-28 04:38:56,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5553bc1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:38:56, skipping insertion in model container [2021-12-28 04:38:56,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:44" (2/3) ... [2021-12-28 04:38:56,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5553bc1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:38:56, skipping insertion in model container [2021-12-28 04:38:56,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:38:56" (3/3) ... [2021-12-28 04:38:56,878 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-12-28 04:38:56,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:38:56,882 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:38:56,926 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:38:56,933 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:38:56,933 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:38:56,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 2837 states, 1921 states have (on average 1.2613222280062468) internal successors, (2423), 1946 states have internal predecessors, (2423), 767 states have call successors, (767), 149 states have call predecessors, (767), 148 states have return successors, (761), 759 states have call predecessors, (761), 761 states have call successors, (761) [2021-12-28 04:38:57,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-12-28 04:38:57,006 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:38:57,007 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:38:57,007 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:38:57,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:38:57,011 INFO L85 PathProgramCache]: Analyzing trace with hash -24091557, now seen corresponding path program 1 times [2021-12-28 04:38:57,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:38:57,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44653263] [2021-12-28 04:38:57,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:38:57,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:38:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:38:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:38:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:38:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:38:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:38:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:38:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:38:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:38:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:38:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:38:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:38:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:38:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:38:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:38:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-28 04:38:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-28 04:38:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:38:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:38:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-28 04:38:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:38:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:38:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:38:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2021-12-28 04:38:57,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:38:57,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44653263] [2021-12-28 04:38:57,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44653263] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:38:57,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:38:57,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:38:57,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106011557] [2021-12-28 04:38:57,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:38:57,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:38:57,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:38:58,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:38:58,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:38:58,014 INFO L87 Difference]: Start difference. First operand has 2837 states, 1921 states have (on average 1.2613222280062468) internal successors, (2423), 1946 states have internal predecessors, (2423), 767 states have call successors, (767), 149 states have call predecessors, (767), 148 states have return successors, (761), 759 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:39:03,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:39:03,580 INFO L93 Difference]: Finished difference Result 7783 states and 10945 transitions. [2021-12-28 04:39:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:39:03,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 231 [2021-12-28 04:39:03,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:39:03,625 INFO L225 Difference]: With dead ends: 7783 [2021-12-28 04:39:03,625 INFO L226 Difference]: Without dead ends: 4893 [2021-12-28 04:39:03,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:39:03,645 INFO L933 BasicCegarLoop]: 4108 mSDtfsCounter, 3707 mSDsluCounter, 3877 mSDsCounter, 0 mSdLazyCounter, 3030 mSolverCounterSat, 1870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4243 SdHoareTripleChecker+Valid, 7985 SdHoareTripleChecker+Invalid, 4900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1870 IncrementalHoareTripleChecker+Valid, 3030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:39:03,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4243 Valid, 7985 Invalid, 4900 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1870 Valid, 3030 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-28 04:39:03,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4893 states. [2021-12-28 04:39:03,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4893 to 4656. [2021-12-28 04:39:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4656 states, 3168 states have (on average 1.2512626262626263) internal successors, (3964), 3211 states have internal predecessors, (3964), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2021-12-28 04:39:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 6408 transitions. [2021-12-28 04:39:03,983 INFO L78 Accepts]: Start accepts. Automaton has 4656 states and 6408 transitions. Word has length 231 [2021-12-28 04:39:03,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:39:03,984 INFO L470 AbstractCegarLoop]: Abstraction has 4656 states and 6408 transitions. [2021-12-28 04:39:03,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:39:03,985 INFO L276 IsEmpty]: Start isEmpty. Operand 4656 states and 6408 transitions. [2021-12-28 04:39:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-28 04:39:03,992 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:03,992 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:39:03,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:39:03,993 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:03,993 INFO L85 PathProgramCache]: Analyzing trace with hash 757183165, now seen corresponding path program 1 times [2021-12-28 04:39:03,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:03,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843270944] [2021-12-28 04:39:03,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:03,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:39:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:39:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:39:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:39:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:39:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:39:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:39:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:39:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:39:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:39:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:39:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:39:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:39:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:39:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-28 04:39:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-28 04:39:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:39:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:39:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-28 04:39:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-28 04:39:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-12-28 04:39:04,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:04,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843270944] [2021-12-28 04:39:04,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843270944] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:04,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:04,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:39:04,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173833747] [2021-12-28 04:39:04,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:04,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:39:04,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:04,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:39:04,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:39:04,429 INFO L87 Difference]: Start difference. First operand 4656 states and 6408 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:39:08,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:39:12,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:39:16,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:39:18,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:39:22,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:39:22,491 INFO L93 Difference]: Finished difference Result 12961 states and 18069 transitions. [2021-12-28 04:39:22,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:39:22,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 239 [2021-12-28 04:39:22,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:39:22,534 INFO L225 Difference]: With dead ends: 12961 [2021-12-28 04:39:22,534 INFO L226 Difference]: Without dead ends: 8338 [2021-12-28 04:39:22,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:39:22,556 INFO L933 BasicCegarLoop]: 5262 mSDtfsCounter, 4923 mSDsluCounter, 6074 mSDsCounter, 0 mSdLazyCounter, 5461 mSolverCounterSat, 3219 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5353 SdHoareTripleChecker+Valid, 11336 SdHoareTripleChecker+Invalid, 8682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3219 IncrementalHoareTripleChecker+Valid, 5461 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:39:22,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5353 Valid, 11336 Invalid, 8682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3219 Valid, 5461 Invalid, 2 Unknown, 0 Unchecked, 17.4s Time] [2021-12-28 04:39:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8338 states. [2021-12-28 04:39:22,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8338 to 7061. [2021-12-28 04:39:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 4834 states have (on average 1.2498965659908978) internal successors, (6042), 4895 states have internal predecessors, (6042), 1808 states have call successors, (1808), 419 states have call predecessors, (1808), 418 states have return successors, (1808), 1798 states have call predecessors, (1808), 1808 states have call successors, (1808) [2021-12-28 04:39:22,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 9658 transitions. [2021-12-28 04:39:22,907 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 9658 transitions. Word has length 239 [2021-12-28 04:39:22,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:39:22,910 INFO L470 AbstractCegarLoop]: Abstraction has 7061 states and 9658 transitions. [2021-12-28 04:39:22,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:39:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 9658 transitions. [2021-12-28 04:39:22,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-12-28 04:39:22,919 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:22,920 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:39:22,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:39:22,921 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:22,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2051024223, now seen corresponding path program 1 times [2021-12-28 04:39:22,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:22,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776602423] [2021-12-28 04:39:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:22,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:23,024 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-28 04:39:23,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621043561] [2021-12-28 04:39:23,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:23,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:39:23,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:39:23,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 04:39:23,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 04:39:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 4059 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 04:39:24,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:39:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2021-12-28 04:39:24,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:39:24,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:24,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776602423] [2021-12-28 04:39:24,752 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-28 04:39:24,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621043561] [2021-12-28 04:39:24,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621043561] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:24,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:24,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 04:39:24,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090362038] [2021-12-28 04:39:24,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:24,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:39:24,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:24,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:39:24,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:39:24,754 INFO L87 Difference]: Start difference. First operand 7061 states and 9658 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:39:24,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:39:24,994 INFO L93 Difference]: Finished difference Result 14089 states and 19286 transitions. [2021-12-28 04:39:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:39:24,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 303 [2021-12-28 04:39:24,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:39:25,024 INFO L225 Difference]: With dead ends: 14089 [2021-12-28 04:39:25,025 INFO L226 Difference]: Without dead ends: 7061 [2021-12-28 04:39:25,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:39:25,045 INFO L933 BasicCegarLoop]: 3853 mSDtfsCounter, 3681 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3681 SdHoareTripleChecker+Valid, 3853 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:39:25,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3681 Valid, 3853 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:39:25,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7061 states. [2021-12-28 04:39:25,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7061 to 7061. [2021-12-28 04:39:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 4834 states have (on average 1.2492759619362845) internal successors, (6039), 4895 states have internal predecessors, (6039), 1808 states have call successors, (1808), 419 states have call predecessors, (1808), 418 states have return successors, (1808), 1798 states have call predecessors, (1808), 1808 states have call successors, (1808) [2021-12-28 04:39:25,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 9655 transitions. [2021-12-28 04:39:25,277 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 9655 transitions. Word has length 303 [2021-12-28 04:39:25,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:39:25,278 INFO L470 AbstractCegarLoop]: Abstraction has 7061 states and 9655 transitions. [2021-12-28 04:39:25,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:39:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 9655 transitions. [2021-12-28 04:39:25,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-28 04:39:25,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:25,286 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:39:25,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 04:39:25,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:39:25,500 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:25,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:25,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1224467345, now seen corresponding path program 1 times [2021-12-28 04:39:25,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:25,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468313011] [2021-12-28 04:39:25,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:25,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:25,585 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-28 04:39:25,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401223723] [2021-12-28 04:39:25,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:25,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:39:25,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:39:25,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 04:39:25,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-28 04:39:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:26,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 4060 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 04:39:26,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:39:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2021-12-28 04:39:27,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:39:27,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:27,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468313011] [2021-12-28 04:39:27,300 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-28 04:39:27,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401223723] [2021-12-28 04:39:27,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401223723] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:27,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:27,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 04:39:27,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829614998] [2021-12-28 04:39:27,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:27,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:39:27,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:27,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:39:27,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:39:27,302 INFO L87 Difference]: Start difference. First operand 7061 states and 9655 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:39:27,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:39:27,477 INFO L93 Difference]: Finished difference Result 14089 states and 19280 transitions. [2021-12-28 04:39:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:39:27,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 304 [2021-12-28 04:39:27,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:39:27,520 INFO L225 Difference]: With dead ends: 14089 [2021-12-28 04:39:27,520 INFO L226 Difference]: Without dead ends: 7061 [2021-12-28 04:39:27,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:39:27,542 INFO L933 BasicCegarLoop]: 3852 mSDtfsCounter, 3679 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3679 SdHoareTripleChecker+Valid, 3852 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:39:27,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3679 Valid, 3852 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:39:27,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7061 states. [2021-12-28 04:39:27,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7061 to 7061. [2021-12-28 04:39:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 4834 states have (on average 1.2486553578816715) internal successors, (6036), 4895 states have internal predecessors, (6036), 1808 states have call successors, (1808), 419 states have call predecessors, (1808), 418 states have return successors, (1808), 1798 states have call predecessors, (1808), 1808 states have call successors, (1808) [2021-12-28 04:39:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 9652 transitions. [2021-12-28 04:39:27,828 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 9652 transitions. Word has length 304 [2021-12-28 04:39:27,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:39:27,830 INFO L470 AbstractCegarLoop]: Abstraction has 7061 states and 9652 transitions. [2021-12-28 04:39:27,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:39:27,830 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 9652 transitions. [2021-12-28 04:39:27,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-12-28 04:39:27,837 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:27,837 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:39:27,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-28 04:39:28,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-28 04:39:28,052 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:28,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:28,052 INFO L85 PathProgramCache]: Analyzing trace with hash -199992547, now seen corresponding path program 1 times [2021-12-28 04:39:28,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:28,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382984573] [2021-12-28 04:39:28,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:28,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:28,124 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-28 04:39:28,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511192364] [2021-12-28 04:39:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:28,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:39:28,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:39:28,127 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 04:39:28,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-28 04:39:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:29,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 4061 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 04:39:29,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:39:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2021-12-28 04:39:29,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:39:29,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:29,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382984573] [2021-12-28 04:39:29,653 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-28 04:39:29,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511192364] [2021-12-28 04:39:29,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511192364] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:29,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:29,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 04:39:29,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924696977] [2021-12-28 04:39:29,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:29,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:39:29,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:29,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:39:29,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:39:29,655 INFO L87 Difference]: Start difference. First operand 7061 states and 9652 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:39:29,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:39:29,919 INFO L93 Difference]: Finished difference Result 14089 states and 19274 transitions. [2021-12-28 04:39:29,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:39:29,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 305 [2021-12-28 04:39:29,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:39:29,948 INFO L225 Difference]: With dead ends: 14089 [2021-12-28 04:39:29,948 INFO L226 Difference]: Without dead ends: 7061 [2021-12-28 04:39:29,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:39:29,972 INFO L933 BasicCegarLoop]: 3851 mSDtfsCounter, 3677 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3677 SdHoareTripleChecker+Valid, 3851 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:39:29,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3677 Valid, 3851 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:39:29,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7061 states. [2021-12-28 04:39:30,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7061 to 7061. [2021-12-28 04:39:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 4834 states have (on average 1.2480347538270584) internal successors, (6033), 4895 states have internal predecessors, (6033), 1808 states have call successors, (1808), 419 states have call predecessors, (1808), 418 states have return successors, (1808), 1798 states have call predecessors, (1808), 1808 states have call successors, (1808) [2021-12-28 04:39:30,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 9649 transitions. [2021-12-28 04:39:30,217 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 9649 transitions. Word has length 305 [2021-12-28 04:39:30,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:39:30,218 INFO L470 AbstractCegarLoop]: Abstraction has 7061 states and 9649 transitions. [2021-12-28 04:39:30,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:39:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 9649 transitions. [2021-12-28 04:39:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-28 04:39:30,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:30,226 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:39:30,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-28 04:39:30,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:39:30,440 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:30,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:30,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1294059635, now seen corresponding path program 1 times [2021-12-28 04:39:30,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:30,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578024502] [2021-12-28 04:39:30,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:30,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:30,556 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-28 04:39:30,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076816912] [2021-12-28 04:39:30,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:30,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:39:30,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:39:30,558 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 04:39:30,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-28 04:39:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:31,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 4062 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 04:39:31,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:39:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2021-12-28 04:39:32,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:39:32,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:32,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578024502] [2021-12-28 04:39:32,025 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-28 04:39:32,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076816912] [2021-12-28 04:39:32,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076816912] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:32,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:32,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 04:39:32,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765043202] [2021-12-28 04:39:32,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:32,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:39:32,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:32,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:39:32,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:39:32,027 INFO L87 Difference]: Start difference. First operand 7061 states and 9649 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:39:32,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:39:32,198 INFO L93 Difference]: Finished difference Result 14089 states and 19268 transitions. [2021-12-28 04:39:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:39:32,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 306 [2021-12-28 04:39:32,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:39:32,220 INFO L225 Difference]: With dead ends: 14089 [2021-12-28 04:39:32,220 INFO L226 Difference]: Without dead ends: 7061 [2021-12-28 04:39:32,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:39:32,238 INFO L933 BasicCegarLoop]: 3850 mSDtfsCounter, 3675 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3675 SdHoareTripleChecker+Valid, 3850 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:39:32,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3675 Valid, 3850 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:39:32,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7061 states. [2021-12-28 04:39:32,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7061 to 7061. [2021-12-28 04:39:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 4834 states have (on average 1.2474141497724451) internal successors, (6030), 4895 states have internal predecessors, (6030), 1808 states have call successors, (1808), 419 states have call predecessors, (1808), 418 states have return successors, (1808), 1798 states have call predecessors, (1808), 1808 states have call successors, (1808) [2021-12-28 04:39:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 9646 transitions. [2021-12-28 04:39:32,512 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 9646 transitions. Word has length 306 [2021-12-28 04:39:32,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:39:32,513 INFO L470 AbstractCegarLoop]: Abstraction has 7061 states and 9646 transitions. [2021-12-28 04:39:32,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:39:32,513 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 9646 transitions. [2021-12-28 04:39:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-12-28 04:39:32,519 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:32,519 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:39:32,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-28 04:39:32,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:39:32,736 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:32,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:32,736 INFO L85 PathProgramCache]: Analyzing trace with hash -735884391, now seen corresponding path program 1 times [2021-12-28 04:39:32,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:32,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259712389] [2021-12-28 04:39:32,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:32,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:32,801 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-28 04:39:32,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1871661988] [2021-12-28 04:39:32,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:32,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:39:32,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:39:32,803 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 04:39:32,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-28 04:39:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:33,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 4063 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 04:39:33,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:39:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2021-12-28 04:39:34,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:39:34,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:34,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259712389] [2021-12-28 04:39:34,321 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-28 04:39:34,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871661988] [2021-12-28 04:39:34,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871661988] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:34,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:34,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 04:39:34,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127438106] [2021-12-28 04:39:34,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:34,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:39:34,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:34,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:39:34,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:39:34,325 INFO L87 Difference]: Start difference. First operand 7061 states and 9646 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:39:34,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:39:34,499 INFO L93 Difference]: Finished difference Result 14089 states and 19262 transitions. [2021-12-28 04:39:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:39:34,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 307 [2021-12-28 04:39:34,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:39:34,522 INFO L225 Difference]: With dead ends: 14089 [2021-12-28 04:39:34,522 INFO L226 Difference]: Without dead ends: 7061 [2021-12-28 04:39:34,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:39:34,542 INFO L933 BasicCegarLoop]: 3849 mSDtfsCounter, 3673 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3673 SdHoareTripleChecker+Valid, 3849 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:39:34,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3673 Valid, 3849 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:39:34,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7061 states. [2021-12-28 04:39:34,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7061 to 7061. [2021-12-28 04:39:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 4834 states have (on average 1.246793545717832) internal successors, (6027), 4895 states have internal predecessors, (6027), 1808 states have call successors, (1808), 419 states have call predecessors, (1808), 418 states have return successors, (1808), 1798 states have call predecessors, (1808), 1808 states have call successors, (1808) [2021-12-28 04:39:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 9643 transitions. [2021-12-28 04:39:34,893 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 9643 transitions. Word has length 307 [2021-12-28 04:39:34,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:39:34,896 INFO L470 AbstractCegarLoop]: Abstraction has 7061 states and 9643 transitions. [2021-12-28 04:39:34,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 1 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:39:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 9643 transitions. [2021-12-28 04:39:34,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-12-28 04:39:34,902 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:34,902 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:39:34,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-28 04:39:35,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:39:35,120 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:35,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:35,120 INFO L85 PathProgramCache]: Analyzing trace with hash -497804407, now seen corresponding path program 1 times [2021-12-28 04:39:35,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:35,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644438782] [2021-12-28 04:39:35,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:35,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:35,185 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-28 04:39:35,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555678026] [2021-12-28 04:39:35,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:35,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:39:35,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:39:35,187 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 04:39:35,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-28 04:39:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 4064 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 04:39:36,162 INFO L286 TraceCheckSpWp]: Computing forward predicates...