./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-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-atl1c-atl1c.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 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 09:41:40,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 09:41:40,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 09:41:40,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 09:41:40,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 09:41:40,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 09:41:40,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 09:41:40,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 09:41:40,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 09:41:40,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 09:41:40,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 09:41:40,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 09:41:40,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 09:41:40,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 09:41:40,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 09:41:40,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 09:41:40,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 09:41:40,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 09:41:40,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 09:41:40,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 09:41:40,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 09:41:40,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 09:41:40,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 09:41:40,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 09:41:40,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 09:41:40,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 09:41:40,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 09:41:40,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 09:41:40,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 09:41:40,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 09:41:40,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 09:41:40,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 09:41:40,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 09:41:40,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 09:41:40,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 09:41:40,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 09:41:40,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 09:41:40,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 09:41:40,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 09:41:40,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 09:41:40,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 09:41:40,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 09:41:40,109 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 09:41:40,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 09:41:40,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 09:41:40,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 09:41:40,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 09:41:40,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 09:41:40,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 09:41:40,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 09:41:40,111 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 09:41:40,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 09:41:40,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 09:41:40,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 09:41:40,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 09:41:40,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 09:41:40,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 09:41:40,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 09:41:40,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 09:41:40,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 09:41:40,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 09:41:40,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 09:41:40,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 09:41:40,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:41:40,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 09:41:40,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 09:41:40,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 09:41:40,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 09:41:40,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 09:41:40,114 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 09:41:40,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 09:41:40,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 09:41:40,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 09:41:40,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 [2021-12-18 09:41:40,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 09:41:40,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 09:41:40,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 09:41:40,306 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 09:41:40,306 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 09:41:40,307 INFO L432 ainManager$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-atl1c-atl1c.cil.i [2021-12-18 09:41:40,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d197bf4d9/d6b42df6878f4bcab7b48f439c2cddb6/FLAGfd48e0878 [2021-12-18 09:41:41,067 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 09:41:41,068 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-atl1c-atl1c.cil.i [2021-12-18 09:41:41,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d197bf4d9/d6b42df6878f4bcab7b48f439c2cddb6/FLAGfd48e0878 [2021-12-18 09:41:41,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d197bf4d9/d6b42df6878f4bcab7b48f439c2cddb6 [2021-12-18 09:41:41,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 09:41:41,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 09:41:41,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 09:41:41,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 09:41:41,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 09:41:41,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:41:41" (1/1) ... [2021-12-18 09:41:41,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb91898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:41, skipping insertion in model container [2021-12-18 09:41:41,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:41:41" (1/1) ... [2021-12-18 09:41:41,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 09:41:41,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:41:44,769 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-atl1c-atl1c.cil.i[523621,523634] [2021-12-18 09:41:44,772 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-atl1c-atl1c.cil.i[523766,523779] [2021-12-18 09:41:44,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:41:44,846 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 09:41:45,201 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-atl1c-atl1c.cil.i[523621,523634] [2021-12-18 09:41:45,215 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-atl1c-atl1c.cil.i[523766,523779] [2021-12-18 09:41:45,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:41:45,449 INFO L208 MainTranslator]: Completed translation [2021-12-18 09:41:45,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45 WrapperNode [2021-12-18 09:41:45,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 09:41:45,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 09:41:45,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 09:41:45,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 09:41:45,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (1/1) ... [2021-12-18 09:41:45,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (1/1) ... [2021-12-18 09:41:45,727 INFO L137 Inliner]: procedures = 696, calls = 4163, calls flagged for inlining = 369, calls inlined = 343, statements flattened = 10403 [2021-12-18 09:41:45,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 09:41:45,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 09:41:45,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 09:41:45,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 09:41:45,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (1/1) ... [2021-12-18 09:41:45,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (1/1) ... [2021-12-18 09:41:45,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (1/1) ... [2021-12-18 09:41:45,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (1/1) ... [2021-12-18 09:41:45,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (1/1) ... [2021-12-18 09:41:46,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (1/1) ... [2021-12-18 09:41:46,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (1/1) ... [2021-12-18 09:41:46,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 09:41:46,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 09:41:46,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 09:41:46,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 09:41:46,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (1/1) ... [2021-12-18 09:41:46,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:41:46,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:41:46,203 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) [2021-12-18 09:41:46,210 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 [2021-12-18 09:41:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 09:41:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 09:41:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-18 09:41:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-18 09:41:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2021-12-18 09:41:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2021-12-18 09:41:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-18 09:41:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-18 09:41:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2021-12-18 09:41:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2021-12-18 09:41:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 09:41:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 09:41:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 09:41:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 09:41:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-18 09:41:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-18 09:41:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 09:41:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 09:41:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2021-12-18 09:41:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2021-12-18 09:41:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 09:41:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 09:41:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 09:41:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 09:41:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 09:41:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 09:41:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2021-12-18 09:41:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2021-12-18 09:41:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 09:41:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 09:41:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2021-12-18 09:41:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2021-12-18 09:41:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2021-12-18 09:41:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2021-12-18 09:41:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2021-12-18 09:41:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2021-12-18 09:41:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 09:41:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 09:41:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 09:41:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 09:41:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 09:41:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 09:41:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 09:41:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 09:41:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 09:41:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 09:41:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 09:41:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 09:41:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 09:41:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 09:41:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 09:41:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 09:41:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 09:41:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 09:41:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 09:41:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 09:41:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 09:41:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2021-12-18 09:41:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2021-12-18 09:41:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2021-12-18 09:41:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2021-12-18 09:41:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 09:41:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 09:41:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2021-12-18 09:41:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2021-12-18 09:41:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 09:41:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 09:41:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2021-12-18 09:41:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2021-12-18 09:41:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2021-12-18 09:41:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2021-12-18 09:41:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 09:41:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2021-12-18 09:41:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2021-12-18 09:41:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2021-12-18 09:41:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2021-12-18 09:41:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2021-12-18 09:41:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2021-12-18 09:41:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 09:41:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 09:41:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 09:41:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 09:41:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2021-12-18 09:41:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2021-12-18 09:41:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 09:41:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 09:41:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 09:41:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 09:41:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 09:41:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 09:41:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 09:41:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 09:41:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 09:41:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 09:41:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 09:41:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 09:41:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 09:41:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 09:41:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 09:41:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 09:41:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 09:41:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 09:41:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 09:41:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 09:41:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 09:41:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 09:41:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2021-12-18 09:41:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2021-12-18 09:41:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 09:41:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 09:41:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 09:41:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 09:41:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 09:41:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 09:41:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 09:41:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 09:41:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 09:41:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 09:41:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 09:41:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 09:41:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 09:41:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 09:41:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 09:41:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 09:41:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 09:41:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2021-12-18 09:41:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2021-12-18 09:41:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-18 09:41:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-18 09:41:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 09:41:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:41:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:41:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 09:41:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 09:41:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:41:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:41:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:41:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:41:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 09:41:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 09:41:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-18 09:41:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-18 09:41:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2021-12-18 09:41:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2021-12-18 09:41:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2021-12-18 09:41:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2021-12-18 09:41:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 09:41:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 09:41:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 09:41:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 09:41:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 09:41:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 09:41:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2021-12-18 09:41:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2021-12-18 09:41:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 09:41:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 09:41:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2021-12-18 09:41:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2021-12-18 09:41:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2021-12-18 09:41:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2021-12-18 09:41:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2021-12-18 09:41:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2021-12-18 09:41:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2021-12-18 09:41:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2021-12-18 09:41:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2021-12-18 09:41:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2021-12-18 09:41:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 09:41:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 09:41:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 09:41:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 09:41:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2021-12-18 09:41:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2021-12-18 09:41:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2021-12-18 09:41:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2021-12-18 09:41:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2021-12-18 09:41:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2021-12-18 09:41:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2021-12-18 09:41:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2021-12-18 09:41:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 09:41:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 09:41:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 09:41:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 09:41:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 09:41:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 09:41:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 09:41:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 09:41:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 09:41:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 09:41:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 09:41:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 09:41:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 09:41:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 09:41:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 09:41:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 09:41:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2021-12-18 09:41:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2021-12-18 09:41:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 09:41:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 09:41:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 09:41:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 09:41:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2021-12-18 09:41:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2021-12-18 09:41:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2021-12-18 09:41:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2021-12-18 09:41:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 09:41:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 09:41:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-18 09:41:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-18 09:41:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 09:41:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 09:41:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2021-12-18 09:41:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2021-12-18 09:41:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2021-12-18 09:41:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2021-12-18 09:41:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 09:41:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 09:41:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 09:41:46,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 09:41:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2021-12-18 09:41:46,278 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2021-12-18 09:41:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 09:41:46,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 09:41:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2021-12-18 09:41:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2021-12-18 09:41:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 09:41:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 09:41:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 09:41:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 09:41:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 09:41:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 09:41:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 09:41:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2021-12-18 09:41:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2021-12-18 09:41:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_118 [2021-12-18 09:41:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_118 [2021-12-18 09:41:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2021-12-18 09:41:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2021-12-18 09:41:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 09:41:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 09:41:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 09:41:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2021-12-18 09:41:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2021-12-18 09:41:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-18 09:41:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-18 09:41:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2021-12-18 09:41:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2021-12-18 09:41:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2021-12-18 09:41:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2021-12-18 09:41:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 09:41:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 09:41:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 09:41:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 09:41:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 09:41:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2021-12-18 09:41:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2021-12-18 09:41:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 09:41:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 09:41:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 09:41:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 09:41:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2021-12-18 09:41:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2021-12-18 09:41:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 09:41:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 09:41:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 09:41:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 09:41:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 09:41:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 09:41:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2021-12-18 09:41:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2021-12-18 09:41:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-18 09:41:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-18 09:41:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2021-12-18 09:41:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2021-12-18 09:41:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2021-12-18 09:41:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2021-12-18 09:41:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2021-12-18 09:41:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2021-12-18 09:41:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 09:41:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 09:41:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 09:41:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 09:41:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2021-12-18 09:41:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2021-12-18 09:41:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 09:41:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 09:41:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-18 09:41:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-18 09:41:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2021-12-18 09:41:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2021-12-18 09:41:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 09:41:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 09:41:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2021-12-18 09:41:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2021-12-18 09:41:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2021-12-18 09:41:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2021-12-18 09:41:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 09:41:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 09:41:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 09:41:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 09:41:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2021-12-18 09:41:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2021-12-18 09:41:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2021-12-18 09:41:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2021-12-18 09:41:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 09:41:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 09:41:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 09:41:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 09:41:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 09:41:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 09:41:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 09:41:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2021-12-18 09:41:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2021-12-18 09:41:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 09:41:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 09:41:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2021-12-18 09:41:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2021-12-18 09:41:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2021-12-18 09:41:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2021-12-18 09:41:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-18 09:41:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-18 09:41:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2021-12-18 09:41:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2021-12-18 09:41:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 09:41:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 09:41:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 09:41:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 09:41:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 09:41:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 09:41:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2021-12-18 09:41:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2021-12-18 09:41:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2021-12-18 09:41:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2021-12-18 09:41:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-18 09:41:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-18 09:41:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 09:41:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 09:41:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 09:41:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 09:41:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2021-12-18 09:41:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2021-12-18 09:41:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 09:41:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 09:41:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 09:41:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_109 [2021-12-18 09:41:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_109 [2021-12-18 09:41:47,370 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 09:41:47,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 09:41:47,651 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 09:41:53,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 09:41:53,729 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 09:41:53,749 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 09:41:53,750 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-18 09:41:53,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:41:53 BoogieIcfgContainer [2021-12-18 09:41:53,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 09:41:53,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 09:41:53,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 09:41:53,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 09:41:53,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:41:41" (1/3) ... [2021-12-18 09:41:53,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d536411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:41:53, skipping insertion in model container [2021-12-18 09:41:53,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:41:45" (2/3) ... [2021-12-18 09:41:53,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d536411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:41:53, skipping insertion in model container [2021-12-18 09:41:53,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:41:53" (3/3) ... [2021-12-18 09:41:53,760 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-12-18 09:41:53,765 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 09:41:53,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 09:41:53,811 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 09:41:53,828 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 [2021-12-18 09:41:53,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 09:41:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 4077 states, 2768 states have (on average 1.26878612716763) internal successors, (3512), 2805 states have internal predecessors, (3512), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) [2021-12-18 09:41:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-12-18 09:41:53,917 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:41:53,918 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:41:53,919 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:41:53,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:41:53,922 INFO L85 PathProgramCache]: Analyzing trace with hash -949694062, now seen corresponding path program 1 times [2021-12-18 09:41:53,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:41:53,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127751606] [2021-12-18 09:41:53,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:41:53,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:41:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:41:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:41:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:41:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:41:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:41:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:41:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:41:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:41:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:41:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:41:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:41:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:41:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:41:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:41:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:41:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:41:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:41:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 09:41:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:41:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 09:41:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 09:41:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-18 09:41:54,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:41:54,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127751606] [2021-12-18 09:41:54,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127751606] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:41:54,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:41:54,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:41:54,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307540768] [2021-12-18 09:41:54,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:41:54,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:41:54,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:41:54,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:41:54,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:41:54,902 INFO L87 Difference]: Start difference. First operand has 4077 states, 2768 states have (on average 1.26878612716763) internal successors, (3512), 2805 states have internal predecessors, (3512), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 09:42:02,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:02,650 INFO L93 Difference]: Finished difference Result 12184 states and 17571 transitions. [2021-12-18 09:42:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:42:02,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 242 [2021-12-18 09:42:02,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:42:02,713 INFO L225 Difference]: With dead ends: 12184 [2021-12-18 09:42:02,714 INFO L226 Difference]: Without dead ends: 8066 [2021-12-18 09:42:02,740 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 [2021-12-18 09:42:02,744 INFO L933 BasicCegarLoop]: 6205 mSDtfsCounter, 6620 mSDsluCounter, 6864 mSDsCounter, 0 mSdLazyCounter, 3699 mSolverCounterSat, 3273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7604 SdHoareTripleChecker+Valid, 13069 SdHoareTripleChecker+Invalid, 6972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3273 IncrementalHoareTripleChecker+Valid, 3699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:42:02,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7604 Valid, 13069 Invalid, 6972 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3273 Valid, 3699 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-12-18 09:42:02,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8066 states. [2021-12-18 09:42:03,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8066 to 7549. [2021-12-18 09:42:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7549 states, 5164 states have (on average 1.261425251742835) internal successors, (6514), 5230 states have internal predecessors, (6514), 2070 states have call successors, (2070), 314 states have call predecessors, (2070), 314 states have return successors, (2070), 2054 states have call predecessors, (2070), 2070 states have call successors, (2070) [2021-12-18 09:42:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7549 states to 7549 states and 10654 transitions. [2021-12-18 09:42:03,263 INFO L78 Accepts]: Start accepts. Automaton has 7549 states and 10654 transitions. Word has length 242 [2021-12-18 09:42:03,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:42:03,265 INFO L470 AbstractCegarLoop]: Abstraction has 7549 states and 10654 transitions. [2021-12-18 09:42:03,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 09:42:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 7549 states and 10654 transitions. [2021-12-18 09:42:03,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-18 09:42:03,276 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:42:03,276 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:42:03,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 09:42:03,277 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:42:03,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:42:03,277 INFO L85 PathProgramCache]: Analyzing trace with hash 465699565, now seen corresponding path program 1 times [2021-12-18 09:42:03,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:42:03,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220363960] [2021-12-18 09:42:03,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:42:03,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:42:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:42:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:42:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:42:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:42:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:42:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:42:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:42:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:42:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:42:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:42:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:42:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:42:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:42:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:42:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:42:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:42:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 09:42:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:42:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 09:42:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:42:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:03,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-18 09:42:03,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:42:03,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220363960] [2021-12-18 09:42:03,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220363960] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:42:03,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:42:03,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:42:03,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980609627] [2021-12-18 09:42:03,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:42:03,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:42:03,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:42:03,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:42:03,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:42:03,747 INFO L87 Difference]: Start difference. First operand 7549 states and 10654 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 09:42:11,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:11,228 INFO L93 Difference]: Finished difference Result 23079 states and 32721 transitions. [2021-12-18 09:42:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:42:11,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 243 [2021-12-18 09:42:11,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:42:11,311 INFO L225 Difference]: With dead ends: 23079 [2021-12-18 09:42:11,311 INFO L226 Difference]: Without dead ends: 15569 [2021-12-18 09:42:11,346 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 [2021-12-18 09:42:11,348 INFO L933 BasicCegarLoop]: 7262 mSDtfsCounter, 6420 mSDsluCounter, 7295 mSDsCounter, 0 mSdLazyCounter, 3786 mSolverCounterSat, 2920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7466 SdHoareTripleChecker+Valid, 14557 SdHoareTripleChecker+Invalid, 6706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2920 IncrementalHoareTripleChecker+Valid, 3786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:42:11,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7466 Valid, 14557 Invalid, 6706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2920 Valid, 3786 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-12-18 09:42:11,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15569 states. [2021-12-18 09:42:11,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15569 to 14565. [2021-12-18 09:42:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14565 states, 9954 states have (on average 1.258288125376733) internal successors, (12525), 10073 states have internal predecessors, (12525), 3994 states have call successors, (3994), 616 states have call predecessors, (3994), 616 states have return successors, (3994), 3968 states have call predecessors, (3994), 3994 states have call successors, (3994) [2021-12-18 09:42:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14565 states to 14565 states and 20513 transitions. [2021-12-18 09:42:12,086 INFO L78 Accepts]: Start accepts. Automaton has 14565 states and 20513 transitions. Word has length 243 [2021-12-18 09:42:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:42:12,088 INFO L470 AbstractCegarLoop]: Abstraction has 14565 states and 20513 transitions. [2021-12-18 09:42:12,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 09:42:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 14565 states and 20513 transitions. [2021-12-18 09:42:12,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-18 09:42:12,096 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:42:12,096 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2021-12-18 09:42:12,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 09:42:12,097 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:42:12,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:42:12,097 INFO L85 PathProgramCache]: Analyzing trace with hash 586300741, now seen corresponding path program 1 times [2021-12-18 09:42:12,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:42:12,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028600181] [2021-12-18 09:42:12,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:42:12,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:42:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:42:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:42:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:42:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:42:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:42:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:42:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:42:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:42:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:42:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:42:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:42:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:42:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:42:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:42:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:42:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:42:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 09:42:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:42:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:42:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 09:42:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 09:42:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:42:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-18 09:42:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2021-12-18 09:42:12,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:42:12,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028600181] [2021-12-18 09:42:12,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028600181] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:42:12,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:42:12,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:42:12,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433496588] [2021-12-18 09:42:12,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:42:12,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:42:12,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:42:12,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:42:12,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:42:12,516 INFO L87 Difference]: Start difference. First operand 14565 states and 20513 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 09:42:19,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:19,015 INFO L93 Difference]: Finished difference Result 41456 states and 58510 transitions. [2021-12-18 09:42:19,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:42:19,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 262 [2021-12-18 09:42:19,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:42:19,133 INFO L225 Difference]: With dead ends: 41456 [2021-12-18 09:42:19,133 INFO L226 Difference]: Without dead ends: 26930 [2021-12-18 09:42:19,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:42:19,187 INFO L933 BasicCegarLoop]: 5986 mSDtfsCounter, 5862 mSDsluCounter, 6780 mSDsCounter, 0 mSdLazyCounter, 3460 mSolverCounterSat, 2957 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6672 SdHoareTripleChecker+Valid, 12766 SdHoareTripleChecker+Invalid, 6417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2957 IncrementalHoareTripleChecker+Valid, 3460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-12-18 09:42:19,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6672 Valid, 12766 Invalid, 6417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2957 Valid, 3460 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-12-18 09:42:19,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26930 states. [2021-12-18 09:42:20,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26930 to 25166. [2021-12-18 09:42:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25166 states, 17171 states have (on average 1.25834255430668) internal successors, (21607), 17387 states have internal predecessors, (21607), 6847 states have call successors, (6847), 1142 states have call predecessors, (6847), 1147 states have return successors, (6860), 6796 states have call predecessors, (6860), 6847 states have call successors, (6860) [2021-12-18 09:42:20,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25166 states to 25166 states and 35314 transitions. [2021-12-18 09:42:20,213 INFO L78 Accepts]: Start accepts. Automaton has 25166 states and 35314 transitions. Word has length 262 [2021-12-18 09:42:20,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:42:20,214 INFO L470 AbstractCegarLoop]: Abstraction has 25166 states and 35314 transitions. [2021-12-18 09:42:20,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 09:42:20,214 INFO L276 IsEmpty]: Start isEmpty. Operand 25166 states and 35314 transitions. [2021-12-18 09:42:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-18 09:42:20,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:42:20,221 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:42:20,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 09:42:20,222 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:42:20,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:42:20,222 INFO L85 PathProgramCache]: Analyzing trace with hash 2138279738, now seen corresponding path program 1 times [2021-12-18 09:42:20,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:42:20,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44651015] [2021-12-18 09:42:20,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:42:20,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:42:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:42:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:42:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:42:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:42:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:42:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:42:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:42:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:42:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:42:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:42:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:42:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:42:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:42:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:42:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:42:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:42:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 09:42:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 09:42:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 09:42:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 09:42:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:42:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-18 09:42:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-12-18 09:42:20,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:42:20,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44651015] [2021-12-18 09:42:20,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44651015] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:42:20,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:42:20,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:42:20,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110052547] [2021-12-18 09:42:20,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:42:20,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:42:20,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:42:20,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:42:20,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:42:20,565 INFO L87 Difference]: Start difference. First operand 25166 states and 35314 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 09:42:27,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:27,917 INFO L93 Difference]: Finished difference Result 76050 states and 107117 transitions. [2021-12-18 09:42:27,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:42:27,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 268 [2021-12-18 09:42:27,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:42:28,144 INFO L225 Difference]: With dead ends: 76050 [2021-12-18 09:42:28,144 INFO L226 Difference]: Without dead ends: 50923 [2021-12-18 09:42:28,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:42:28,240 INFO L933 BasicCegarLoop]: 7850 mSDtfsCounter, 6433 mSDsluCounter, 7472 mSDsCounter, 0 mSdLazyCounter, 3742 mSolverCounterSat, 2845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7500 SdHoareTripleChecker+Valid, 15322 SdHoareTripleChecker+Invalid, 6587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2845 IncrementalHoareTripleChecker+Valid, 3742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:42:28,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7500 Valid, 15322 Invalid, 6587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2845 Valid, 3742 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-18 09:42:28,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50923 states. [2021-12-18 09:42:30,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50923 to 47603. [2021-12-18 09:42:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47603 states, 32539 states have (on average 1.2567995328682504) internal successors, (40895), 32964 states have internal predecessors, (40895), 12873 states have call successors, (12873), 2180 states have call predecessors, (12873), 2190 states have return successors, (12899), 12764 states have call predecessors, (12899), 12873 states have call successors, (12899) [2021-12-18 09:42:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47603 states to 47603 states and 66667 transitions. [2021-12-18 09:42:30,258 INFO L78 Accepts]: Start accepts. Automaton has 47603 states and 66667 transitions. Word has length 268 [2021-12-18 09:42:30,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:42:30,259 INFO L470 AbstractCegarLoop]: Abstraction has 47603 states and 66667 transitions. [2021-12-18 09:42:30,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 09:42:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 47603 states and 66667 transitions. [2021-12-18 09:42:30,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-12-18 09:42:30,269 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:42:30,269 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 17, 17, 17, 17, 17, 17, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:42:30,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 09:42:30,270 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:42:30,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:42:30,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1100220256, now seen corresponding path program 1 times [2021-12-18 09:42:30,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:42:30,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612825702] [2021-12-18 09:42:30,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:42:30,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:42:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:42:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:42:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:42:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:42:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:42:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:42:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:42:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:42:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:42:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:42:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:42:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:42:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:42:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:42:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:42:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:42:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 09:42:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-18 09:42:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 09:42:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 09:42:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 09:42:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:42:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:42:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 09:42:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1397 trivial. 0 not checked. [2021-12-18 09:42:30,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:42:30,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612825702] [2021-12-18 09:42:30,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612825702] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:42:30,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:42:30,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:42:30,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448313594] [2021-12-18 09:42:30,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:42:30,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:42:30,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:42:30,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:42:30,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:42:30,588 INFO L87 Difference]: Start difference. First operand 47603 states and 66667 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 09:42:36,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:36,010 INFO L93 Difference]: Finished difference Result 99294 states and 139371 transitions. [2021-12-18 09:42:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:42:36,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 290 [2021-12-18 09:42:36,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:42:36,266 INFO L225 Difference]: With dead ends: 99294 [2021-12-18 09:42:36,266 INFO L226 Difference]: Without dead ends: 51730 [2021-12-18 09:42:36,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:42:36,400 INFO L933 BasicCegarLoop]: 5472 mSDtfsCounter, 2290 mSDsluCounter, 6795 mSDsCounter, 0 mSdLazyCounter, 2688 mSolverCounterSat, 1546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 12267 SdHoareTripleChecker+Invalid, 4234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1546 IncrementalHoareTripleChecker+Valid, 2688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:42:36,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2645 Valid, 12267 Invalid, 4234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1546 Valid, 2688 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 09:42:36,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51730 states. [2021-12-18 09:42:37,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51730 to 48336. [2021-12-18 09:42:37,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48336 states, 33067 states have (on average 1.25539057065957) internal successors, (41512), 33495 states have internal predecessors, (41512), 12990 states have call successors, (12990), 2268 states have call predecessors, (12990), 2278 states have return successors, (13016), 12881 states have call predecessors, (13016), 12990 states have call successors, (13016) [2021-12-18 09:42:38,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48336 states to 48336 states and 67518 transitions. [2021-12-18 09:42:38,043 INFO L78 Accepts]: Start accepts. Automaton has 48336 states and 67518 transitions. Word has length 290 [2021-12-18 09:42:38,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:42:38,044 INFO L470 AbstractCegarLoop]: Abstraction has 48336 states and 67518 transitions. [2021-12-18 09:42:38,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 09:42:38,045 INFO L276 IsEmpty]: Start isEmpty. Operand 48336 states and 67518 transitions. [2021-12-18 09:42:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-12-18 09:42:38,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:42:38,054 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 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] [2021-12-18 09:42:38,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 09:42:38,055 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:42:38,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:42:38,055 INFO L85 PathProgramCache]: Analyzing trace with hash 339311161, now seen corresponding path program 1 times [2021-12-18 09:42:38,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:42:38,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782748439] [2021-12-18 09:42:38,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:42:38,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:42:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:42:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:42:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:42:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:42:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:42:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:42:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:42:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:42:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:42:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:42:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:42:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:42:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:42:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:42:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:42:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:42:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 09:42:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 09:42:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 09:42:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:42:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:42:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 09:42:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:42:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:42:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-18 09:42:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 09:42:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 09:42:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2021-12-18 09:42:38,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:42:38,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782748439] [2021-12-18 09:42:38,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782748439] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:42:38,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:42:38,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:42:38,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310885407] [2021-12-18 09:42:38,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:42:38,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:42:38,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:42:38,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:42:38,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:42:38,806 INFO L87 Difference]: Start difference. First operand 48336 states and 67518 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 09:42:46,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:46,405 INFO L93 Difference]: Finished difference Result 121777 states and 170894 transitions. [2021-12-18 09:42:46,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:42:46,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 308 [2021-12-18 09:42:46,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:42:46,715 INFO L225 Difference]: With dead ends: 121777 [2021-12-18 09:42:46,716 INFO L226 Difference]: Without dead ends: 74041 [2021-12-18 09:42:46,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:42:46,865 INFO L933 BasicCegarLoop]: 8104 mSDtfsCounter, 5972 mSDsluCounter, 7870 mSDsCounter, 0 mSdLazyCounter, 3642 mSolverCounterSat, 2670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6932 SdHoareTripleChecker+Valid, 15974 SdHoareTripleChecker+Invalid, 6312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2670 IncrementalHoareTripleChecker+Valid, 3642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:42:46,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6932 Valid, 15974 Invalid, 6312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2670 Valid, 3642 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-18 09:42:46,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74041 states. [2021-12-18 09:42:49,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74041 to 69109. [2021-12-18 09:42:49,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69109 states, 47301 states have (on average 1.2546880615631806) internal successors, (59348), 47906 states have internal predecessors, (59348), 18524 states have call successors, (18524), 3267 states have call predecessors, (18524), 3283 states have return successors, (18562), 18366 states have call predecessors, (18562), 18524 states have call successors, (18562) [2021-12-18 09:42:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69109 states to 69109 states and 96434 transitions. [2021-12-18 09:42:49,493 INFO L78 Accepts]: Start accepts. Automaton has 69109 states and 96434 transitions. Word has length 308 [2021-12-18 09:42:49,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:42:49,494 INFO L470 AbstractCegarLoop]: Abstraction has 69109 states and 96434 transitions. [2021-12-18 09:42:49,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 09:42:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 69109 states and 96434 transitions. [2021-12-18 09:42:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-12-18 09:42:49,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:42:49,512 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:42:49,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 09:42:49,512 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:42:49,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:42:49,513 INFO L85 PathProgramCache]: Analyzing trace with hash 664709401, now seen corresponding path program 1 times [2021-12-18 09:42:49,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:42:49,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039192090] [2021-12-18 09:42:49,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:42:49,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:42:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:42:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:42:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:42:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:42:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:42:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:42:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:42:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:42:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:42:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:42:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:42:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:42:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:42:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:42:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:42:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:42:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 09:42:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 09:42:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 09:42:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:42:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 09:42:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-18 09:42:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 09:42:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:42:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 09:42:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:42:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 09:42:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 09:42:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 09:42:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 09:42:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1622 trivial. 0 not checked. [2021-12-18 09:42:50,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:42:50,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039192090] [2021-12-18 09:42:50,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039192090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:42:50,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:42:50,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:42:50,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466265642] [2021-12-18 09:42:50,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:42:50,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:42:50,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:42:50,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:42:50,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:42:50,150 INFO L87 Difference]: Start difference. First operand 69109 states and 96434 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 09:42:59,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:59,558 INFO L93 Difference]: Finished difference Result 214607 states and 301138 transitions. [2021-12-18 09:42:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:42:59,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 348 [2021-12-18 09:42:59,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:43:00,291 INFO L225 Difference]: With dead ends: 214607 [2021-12-18 09:43:00,291 INFO L226 Difference]: Without dead ends: 146098 [2021-12-18 09:43:00,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:43:00,478 INFO L933 BasicCegarLoop]: 8856 mSDtfsCounter, 6094 mSDsluCounter, 8064 mSDsCounter, 0 mSdLazyCounter, 3740 mSolverCounterSat, 2597 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7164 SdHoareTripleChecker+Valid, 16920 SdHoareTripleChecker+Invalid, 6337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2597 IncrementalHoareTripleChecker+Valid, 3740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:43:00,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7164 Valid, 16920 Invalid, 6337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2597 Valid, 3740 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-18 09:43:00,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146098 states. [2021-12-18 09:43:04,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146098 to 136344. [2021-12-18 09:43:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136344 states, 93303 states have (on average 1.2549650064842501) internal successors, (117092), 94470 states have internal predecessors, (117092), 36590 states have call successors, (36590), 6418 states have call predecessors, (36590), 6450 states have return successors, (36666), 36314 states have call predecessors, (36666), 36590 states have call successors, (36666) [2021-12-18 09:43:05,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136344 states to 136344 states and 190348 transitions. [2021-12-18 09:43:05,759 INFO L78 Accepts]: Start accepts. Automaton has 136344 states and 190348 transitions. Word has length 348 [2021-12-18 09:43:05,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:43:05,760 INFO L470 AbstractCegarLoop]: Abstraction has 136344 states and 190348 transitions. [2021-12-18 09:43:05,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 09:43:05,761 INFO L276 IsEmpty]: Start isEmpty. Operand 136344 states and 190348 transitions. [2021-12-18 09:43:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-12-18 09:43:05,785 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:43:05,785 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:43:05,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 09:43:05,785 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:43:05,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:43:05,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1732761129, now seen corresponding path program 1 times [2021-12-18 09:43:05,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:43:05,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637376051] [2021-12-18 09:43:05,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:43:05,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:43:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:43:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:43:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:43:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:43:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:43:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:43:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:43:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:05,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:43:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:43:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:43:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:43:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:43:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:43:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 09:43:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:43:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:43:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 09:43:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 09:43:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 09:43:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:43:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 09:43:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-18 09:43:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 09:43:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:43:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 09:43:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:43:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 09:43:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 09:43:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 09:43:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 09:43:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1622 trivial. 0 not checked. [2021-12-18 09:43:06,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:43:06,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637376051] [2021-12-18 09:43:06,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637376051] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:43:06,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:43:06,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:43:06,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583764223] [2021-12-18 09:43:06,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:43:06,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:43:06,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:43:06,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:43:06,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:43:06,378 INFO L87 Difference]: Start difference. First operand 136344 states and 190348 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 09:43:17,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:43:17,720 INFO L93 Difference]: Finished difference Result 353931 states and 496412 transitions. [2021-12-18 09:43:17,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:43:17,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 348 [2021-12-18 09:43:17,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:43:18,937 INFO L225 Difference]: With dead ends: 353931 [2021-12-18 09:43:18,937 INFO L226 Difference]: Without dead ends: 217316 [2021-12-18 09:43:19,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:43:19,301 INFO L933 BasicCegarLoop]: 10688 mSDtfsCounter, 5815 mSDsluCounter, 9132 mSDsCounter, 0 mSdLazyCounter, 3779 mSolverCounterSat, 2137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6883 SdHoareTripleChecker+Valid, 19820 SdHoareTripleChecker+Invalid, 5916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2137 IncrementalHoareTripleChecker+Valid, 3779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:43:19,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6883 Valid, 19820 Invalid, 5916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2137 Valid, 3779 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-18 09:43:19,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217316 states.