./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.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 fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 04:34:35,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 04:34:35,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 04:34:35,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 04:34:35,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 04:34:35,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 04:34:35,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 04:34:35,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 04:34:35,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 04:34:35,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 04:34:35,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 04:34:35,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 04:34:35,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 04:34:35,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 04:34:35,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 04:34:35,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 04:34:35,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 04:34:35,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 04:34:35,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 04:34:35,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 04:34:35,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 04:34:35,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 04:34:35,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 04:34:35,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 04:34:35,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 04:34:35,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 04:34:35,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 04:34:35,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 04:34:35,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 04:34:35,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 04:34:35,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 04:34:35,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 04:34:35,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 04:34:35,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 04:34:35,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 04:34:35,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 04:34:35,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 04:34:35,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 04:34:35,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 04:34:35,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 04:34:35,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 04:34:35,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 04:34:35,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 04:34:35,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 04:34:35,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 04:34:35,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 04:34:35,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 04:34:35,621 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 04:34:35,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 04:34:35,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 04:34:35,622 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 04:34:35,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 04:34:35,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 04:34:35,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 04:34:35,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 04:34:35,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 04:34:35,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 04:34:35,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 04:34:35,623 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 04:34:35,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 04:34:35,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 04:34:35,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 04:34:35,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 04:34:35,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:34:35,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 04:34:35,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 04:34:35,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 04:34:35,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 04:34:35,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 04:34:35,625 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 04:34:35,625 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 04:34:35,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 04:34:35,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 04:34:35,626 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2021-12-18 04:34:35,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 04:34:35,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 04:34:35,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 04:34:35,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 04:34:35,864 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 04:34:35,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-12-18 04:34:35,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492f31ebc/cbb596a33852419784657a9ef234bcae/FLAGc16442976 [2021-12-18 04:34:36,571 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 04:34:36,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-12-18 04:34:36,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492f31ebc/cbb596a33852419784657a9ef234bcae/FLAGc16442976 [2021-12-18 04:34:36,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492f31ebc/cbb596a33852419784657a9ef234bcae [2021-12-18 04:34:36,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 04:34:36,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 04:34:36,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 04:34:36,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 04:34:36,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 04:34:36,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:34:36" (1/1) ... [2021-12-18 04:34:36,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce9f238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:36, skipping insertion in model container [2021-12-18 04:34:36,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:34:36" (1/1) ... [2021-12-18 04:34:36,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 04:34:36,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 04:34:37,175 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-12-18 04:34:37,178 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-12-18 04:34:37,588 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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-12-18 04:34:38,697 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-18 04:34:38,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:34:38,758 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 04:34:38,860 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-12-18 04:34:38,861 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-12-18 04:34:38,873 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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-12-18 04:34:39,149 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-18 04:34:39,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:34:39,282 INFO L208 MainTranslator]: Completed translation [2021-12-18 04:34:39,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39 WrapperNode [2021-12-18 04:34:39,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 04:34:39,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 04:34:39,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 04:34:39,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 04:34:39,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (1/1) ... [2021-12-18 04:34:39,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (1/1) ... [2021-12-18 04:34:39,525 INFO L137 Inliner]: procedures = 454, calls = 2280, calls flagged for inlining = 217, calls inlined = 215, statements flattened = 7339 [2021-12-18 04:34:39,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 04:34:39,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 04:34:39,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 04:34:39,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 04:34:39,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (1/1) ... [2021-12-18 04:34:39,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (1/1) ... [2021-12-18 04:34:39,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (1/1) ... [2021-12-18 04:34:39,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (1/1) ... [2021-12-18 04:34:39,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (1/1) ... [2021-12-18 04:34:39,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (1/1) ... [2021-12-18 04:34:39,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (1/1) ... [2021-12-18 04:34:39,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 04:34:39,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 04:34:39,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 04:34:39,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 04:34:39,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (1/1) ... [2021-12-18 04:34:39,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:34:39,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:34:39,928 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 04:34:39,961 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 04:34:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 04:34:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 04:34:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-18 04:34:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure unix_gc [2021-12-18 04:34:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_gc [2021-12-18 04:34:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure unix_sysctl_unregister [2021-12-18 04:34:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_sysctl_unregister [2021-12-18 04:34:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-18 04:34:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-18 04:34:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-12-18 04:34:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-12-18 04:34:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 04:34:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 04:34:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure sock_sndtimeo [2021-12-18 04:34:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_sndtimeo [2021-12-18 04:34:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 04:34:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 04:34:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 04:34:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 04:34:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_addr [2021-12-18 04:34:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_addr [2021-12-18 04:34:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_lock [2021-12-18 04:34:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_lock [2021-12-18 04:34:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure unix_set_peek_off [2021-12-18 04:34:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_set_peek_off [2021-12-18 04:34:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-18 04:34:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-18 04:34:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_disconnected [2021-12-18 04:34:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_disconnected [2021-12-18 04:34:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2021-12-18 04:34:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2021-12-18 04:34:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy [2021-12-18 04:34:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy [2021-12-18 04:34:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure put_cmsg [2021-12-18 04:34:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cmsg [2021-12-18 04:34:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure unix_create1 [2021-12-18 04:34:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_create1 [2021-12-18 04:34:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_poll [2021-12-18 04:34:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_poll [2021-12-18 04:34:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 04:34:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 04:34:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-18 04:34:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-18 04:34:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure unix_recvq_full [2021-12-18 04:34:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_recvq_full [2021-12-18 04:34:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-18 04:34:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-18 04:34:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure unix_shutdown [2021-12-18 04:34:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_shutdown [2021-12-18 04:34:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 04:34:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure scan_children [2021-12-18 04:34:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_children [2021-12-18 04:34:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 04:34:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-18 04:34:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-18 04:34:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_fwd [2021-12-18 04:34:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_fwd [2021-12-18 04:34:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-18 04:34:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 04:34:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure unix_find_other [2021-12-18 04:34:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_find_other [2021-12-18 04:34:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure unix_scm_to_skb [2021-12-18 04:34:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_scm_to_skb [2021-12-18 04:34:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure scm_send [2021-12-18 04:34:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_send [2021-12-18 04:34:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure sk_set_socket [2021-12-18 04:34:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_set_socket [2021-12-18 04:34:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure unix_autobind [2021-12-18 04:34:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_autobind [2021-12-18 04:34:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 04:34:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 04:34:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_sock [2021-12-18 04:34:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_sock [2021-12-18 04:34:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-12-18 04:34:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-12-18 04:34:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 04:34:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure unix_mkname [2021-12-18 04:34:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_mkname [2021-12-18 04:34:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 04:34:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 04:34:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 04:34:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure sock_intr_errno [2021-12-18 04:34:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_intr_errno [2021-12-18 04:34:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 04:34:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2021-12-18 04:34:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2021-12-18 04:34:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure unix_may_send [2021-12-18 04:34:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_may_send [2021-12-18 04:34:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 04:34:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 04:34:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-18 04:34:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-18 04:34:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2021-12-18 04:34:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2021-12-18 04:34:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure unix_listen [2021-12-18 04:34:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_listen [2021-12-18 04:34:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2021-12-18 04:34:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2021-12-18 04:34:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-18 04:34:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-18 04:34:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 04:34:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 04:34:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2021-12-18 04:34:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2021-12-18 04:34:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure kiocb_to_siocb [2021-12-18 04:34:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kiocb_to_siocb [2021-12-18 04:34:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure init_peercred [2021-12-18 04:34:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peercred [2021-12-18 04:34:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 04:34:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 04:34:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-18 04:34:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-18 04:34:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_sendmsg [2021-12-18 04:34:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_sendmsg [2021-12-18 04:34:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure unix_stream_connect [2021-12-18 04:34:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_stream_connect [2021-12-18 04:34:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2021-12-18 04:34:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2021-12-18 04:34:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_dec [2021-12-18 04:34:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_dec [2021-12-18 04:34:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure unix_skb_len [2021-12-18 04:34:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_skb_len [2021-12-18 04:34:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2021-12-18 04:34:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2021-12-18 04:34:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_unlock [2021-12-18 04:34:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_unlock [2021-12-18 04:34:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 04:34:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 04:34:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 04:34:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 04:34:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 04:34:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 04:34:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 04:34:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 04:34:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure unix_net_exit [2021-12-18 04:34:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_net_exit [2021-12-18 04:34:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure unix_detach_fds [2021-12-18 04:34:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_detach_fds [2021-12-18 04:34:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure touch_atime [2021-12-18 04:34:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_atime [2021-12-18 04:34:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure unix_seq_stop [2021-12-18 04:34:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_seq_stop [2021-12-18 04:34:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 04:34:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 04:34:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-18 04:34:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-18 04:34:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2021-12-18 04:34:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2021-12-18 04:34:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 04:34:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 04:34:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 04:34:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 04:34:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure unix_accept [2021-12-18 04:34:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_accept [2021-12-18 04:34:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_recvmsg [2021-12-18 04:34:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_recvmsg [2021-12-18 04:34:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 04:34:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 04:34:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-18 04:34:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-18 04:34:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure unix_wait_for_peer [2021-12-18 04:34:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_wait_for_peer [2021-12-18 04:34:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure unix_hash_fold [2021-12-18 04:34:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_hash_fold [2021-12-18 04:34:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure scan_inflight [2021-12-18 04:34:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_inflight [2021-12-18 04:34:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-18 04:34:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-18 04:34:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 04:34:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 04:34:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 04:34:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 04:34:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-18 04:34:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-18 04:34:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-18 04:34:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-18 04:34:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-18 04:34:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-18 04:34:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 04:34:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 04:34:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 04:34:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 04:34:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-18 04:34:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-18 04:34:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 04:34:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 04:34:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure unix_peer_get [2021-12-18 04:34:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_peer_get [2021-12-18 04:34:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure unix_bind [2021-12-18 04:34:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_bind [2021-12-18 04:34:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2021-12-18 04:34:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2021-12-18 04:34:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure unix_copy_addr [2021-12-18 04:34:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_copy_addr [2021-12-18 04:34:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-18 04:34:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-18 04:34:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-18 04:34:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-18 04:34:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 04:34:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 04:34:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 04:34:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 04:34:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure sock_poll_wait [2021-12-18 04:34:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_poll_wait [2021-12-18 04:34:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_find_socket_byname [2021-12-18 04:34:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_find_socket_byname [2021-12-18 04:34:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net [2021-12-18 04:34:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net [2021-12-18 04:34:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 04:34:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 04:34:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 04:34:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 04:34:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure scm_recv [2021-12-18 04:34:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_recv [2021-12-18 04:34:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release [2021-12-18 04:34:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release [2021-12-18 04:34:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 04:34:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 04:34:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2021-12-18 04:34:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2021-12-18 04:34:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_getsockopt [2021-12-18 04:34:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_getsockopt [2021-12-18 04:34:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure sock_alloc_send_pskb [2021-12-18 04:34:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_alloc_send_pskb [2021-12-18 04:34:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 04:34:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset [2021-12-18 04:34:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset [2021-12-18 04:34:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 04:34:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 04:34:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure unix_get_socket [2021-12-18 04:34:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_get_socket [2021-12-18 04:34:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 04:34:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unhashed [2021-12-18 04:34:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unhashed [2021-12-18 04:34:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-18 04:34:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-18 04:34:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2021-12-18 04:34:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2021-12-18 04:34:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-12-18 04:34:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-12-18 04:34:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure scm_set_cred [2021-12-18 04:34:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_set_cred [2021-12-18 04:34:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-18 04:34:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-18 04:34:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-18 04:34:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-18 04:34:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2021-12-18 04:34:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2021-12-18 04:34:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure sk_wake_async [2021-12-18 04:34:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_wake_async [2021-12-18 04:34:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 04:34:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 04:34:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 04:34:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_add_creds [2021-12-18 04:34:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_add_creds [2021-12-18 04:34:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 04:34:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 04:34:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_datagram [2021-12-18 04:34:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_datagram [2021-12-18 04:34:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 04:34:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 04:34:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_from_iovec [2021-12-18 04:34:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_from_iovec [2021-12-18 04:34:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure sock_prot_inuse_add [2021-12-18 04:34:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_prot_inuse_add [2021-12-18 04:34:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 04:34:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 04:34:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure sk_next [2021-12-18 04:34:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_next [2021-12-18 04:34:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_insert_socket [2021-12-18 04:34:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_insert_socket [2021-12-18 04:34:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure sock_error [2021-12-18 04:34:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_error [2021-12-18 04:34:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_remove_socket [2021-12-18 04:34:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_remove_socket [2021-12-18 04:34:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2021-12-18 04:34:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2021-12-18 04:34:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 04:34:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 04:34:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-18 04:34:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-18 04:34:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 04:34:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 04:34:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure scm_fp_dup [2021-12-18 04:34:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_fp_dup [2021-12-18 04:34:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure security_unix_may_send [2021-12-18 04:34:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure security_unix_may_send [2021-12-18 04:34:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 04:34:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_mmap [2021-12-18 04:34:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_mmap [2021-12-18 04:34:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy_cred [2021-12-18 04:34:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy_cred [2021-12-18 04:34:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 04:34:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 04:34:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2021-12-18 04:34:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2021-12-18 04:34:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up_sync_key [2021-12-18 04:34:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up_sync_key [2021-12-18 04:34:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-12-18 04:34:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-12-18 04:34:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure task_tgid [2021-12-18 04:34:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure task_tgid [2021-12-18 04:34:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 04:34:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 04:34:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 04:34:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 04:34:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_unix_gc [2021-12-18 04:34:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_unix_gc [2021-12-18 04:34:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-12-18 04:34:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-12-18 04:34:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure unix_next_socket [2021-12-18 04:34:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_next_socket [2021-12-18 04:34:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_setsockopt [2021-12-18 04:34:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_setsockopt [2021-12-18 04:34:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_bwd [2021-12-18 04:34:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_bwd [2021-12-18 04:34:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 04:34:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 04:34:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure unix_writable [2021-12-18 04:34:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_writable [2021-12-18 04:34:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-18 04:34:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-18 04:34:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure unix_socketpair [2021-12-18 04:34:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_socketpair [2021-12-18 04:34:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_sendpage [2021-12-18 04:34:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_sendpage [2021-12-18 04:34:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 04:34:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 04:34:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure unix_getname [2021-12-18 04:34:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_getname [2021-12-18 04:34:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure unix_ioctl [2021-12-18 04:34:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_ioctl [2021-12-18 04:34:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 04:34:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2021-12-18 04:34:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2021-12-18 04:34:40,755 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 04:34:40,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 04:34:40,961 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 04:34:45,037 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 04:34:45,057 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 04:34:45,057 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 04:34:45,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:34:45 BoogieIcfgContainer [2021-12-18 04:34:45,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 04:34:45,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 04:34:45,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 04:34:45,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 04:34:45,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:34:36" (1/3) ... [2021-12-18 04:34:45,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63580cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:34:45, skipping insertion in model container [2021-12-18 04:34:45,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:34:39" (2/3) ... [2021-12-18 04:34:45,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63580cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:34:45, skipping insertion in model container [2021-12-18 04:34:45,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:34:45" (3/3) ... [2021-12-18 04:34:45,067 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-12-18 04:34:45,070 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 04:34:45,070 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 04:34:45,118 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 04:34:45,125 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 04:34:45,125 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 04:34:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 2739 states, 1884 states have (on average 1.3540339702760085) internal successors, (2551), 1986 states have internal predecessors, (2551), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) [2021-12-18 04:34:45,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-18 04:34:45,199 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:34:45,200 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 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] [2021-12-18 04:34:45,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:34:45,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:34:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash 517155252, now seen corresponding path program 1 times [2021-12-18 04:34:45,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:34:45,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617135701] [2021-12-18 04:34:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:34:45,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:34:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:34:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:34:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:34:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:34:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:34:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:34:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:34:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:34:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:34:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:34:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:34:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:34:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 04:34:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:34:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 04:34:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 04:34:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:34:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:34:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 04:34:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 04:34:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:34:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 04:34:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 04:34:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:46,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 04:34:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 04:34:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 04:34:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 04:34:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 04:34:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 04:34:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 04:34:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 04:34:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-12-18 04:34:46,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:34:46,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617135701] [2021-12-18 04:34:46,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617135701] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:34:46,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:34:46,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 04:34:46,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192103688] [2021-12-18 04:34:46,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:34:46,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:34:46,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:34:46,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:34:46,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 04:34:46,076 INFO L87 Difference]: Start difference. First operand has 2739 states, 1884 states have (on average 1.3540339702760085) internal successors, (2551), 1986 states have internal predecessors, (2551), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:34:51,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:34:51,806 INFO L93 Difference]: Finished difference Result 8005 states and 11723 transitions. [2021-12-18 04:34:51,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 04:34:51,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 214 [2021-12-18 04:34:51,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:34:51,854 INFO L225 Difference]: With dead ends: 8005 [2021-12-18 04:34:51,855 INFO L226 Difference]: Without dead ends: 5218 [2021-12-18 04:34:51,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 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 04:34:51,883 INFO L933 BasicCegarLoop]: 4143 mSDtfsCounter, 4495 mSDsluCounter, 4462 mSDsCounter, 0 mSdLazyCounter, 2601 mSolverCounterSat, 1780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5017 SdHoareTripleChecker+Valid, 8605 SdHoareTripleChecker+Invalid, 4381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1780 IncrementalHoareTripleChecker+Valid, 2601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-18 04:34:51,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5017 Valid, 8605 Invalid, 4381 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1780 Valid, 2601 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-18 04:34:51,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5218 states. [2021-12-18 04:34:52,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5218 to 4981. [2021-12-18 04:34:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4981 states, 3434 states have (on average 1.3444962143273151) internal successors, (4617), 3611 states have internal predecessors, (4617), 1238 states have call successors, (1238), 309 states have call predecessors, (1238), 308 states have return successors, (1237), 1206 states have call predecessors, (1237), 1237 states have call successors, (1237) [2021-12-18 04:34:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4981 states to 4981 states and 7092 transitions. [2021-12-18 04:34:52,270 INFO L78 Accepts]: Start accepts. Automaton has 4981 states and 7092 transitions. Word has length 214 [2021-12-18 04:34:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:34:52,273 INFO L470 AbstractCegarLoop]: Abstraction has 4981 states and 7092 transitions. [2021-12-18 04:34:52,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:34:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4981 states and 7092 transitions. [2021-12-18 04:34:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-18 04:34:52,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:34:52,280 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 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] [2021-12-18 04:34:52,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 04:34:52,281 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:34:52,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:34:52,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2586623, now seen corresponding path program 1 times [2021-12-18 04:34:52,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:34:52,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071236707] [2021-12-18 04:34:52,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:34:52,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:34:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:34:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:34:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:34:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:34:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:34:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:34:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:34:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:34:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:34:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:34:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:34:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:34:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 04:34:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:34:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 04:34:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 04:34:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:34:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:34:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 04:34:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 04:34:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:34:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 04:34:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 04:34:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 04:34:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 04:34:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 04:34:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 04:34:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 04:34:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 04:34:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 04:34:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 04:34:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-12-18 04:34:52,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:34:52,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071236707] [2021-12-18 04:34:52,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071236707] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:34:52,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:34:52,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 04:34:52,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984619097] [2021-12-18 04:34:52,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:34:52,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:34:52,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:34:52,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:34:52,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 04:34:52,695 INFO L87 Difference]: Start difference. First operand 4981 states and 7092 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:34:57,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:34:57,765 INFO L93 Difference]: Finished difference Result 15018 states and 21515 transitions. [2021-12-18 04:34:57,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 04:34:57,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 213 [2021-12-18 04:34:57,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:34:57,840 INFO L225 Difference]: With dead ends: 15018 [2021-12-18 04:34:57,840 INFO L226 Difference]: Without dead ends: 10096 [2021-12-18 04:34:57,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 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 04:34:57,877 INFO L933 BasicCegarLoop]: 4542 mSDtfsCounter, 4776 mSDsluCounter, 4643 mSDsCounter, 0 mSdLazyCounter, 2694 mSolverCounterSat, 1721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5355 SdHoareTripleChecker+Valid, 9185 SdHoareTripleChecker+Invalid, 4415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1721 IncrementalHoareTripleChecker+Valid, 2694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-18 04:34:57,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5355 Valid, 9185 Invalid, 4415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1721 Valid, 2694 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-18 04:34:57,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10096 states. [2021-12-18 04:34:58,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10096 to 9627. [2021-12-18 04:34:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9627 states, 6657 states have (on average 1.3406940063091484) internal successors, (8925), 6996 states have internal predecessors, (8925), 2357 states have call successors, (2357), 613 states have call predecessors, (2357), 612 states have return successors, (2356), 2301 states have call predecessors, (2356), 2356 states have call successors, (2356) [2021-12-18 04:34:58,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9627 states to 9627 states and 13638 transitions. [2021-12-18 04:34:58,358 INFO L78 Accepts]: Start accepts. Automaton has 9627 states and 13638 transitions. Word has length 213 [2021-12-18 04:34:58,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:34:58,359 INFO L470 AbstractCegarLoop]: Abstraction has 9627 states and 13638 transitions. [2021-12-18 04:34:58,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:34:58,360 INFO L276 IsEmpty]: Start isEmpty. Operand 9627 states and 13638 transitions. [2021-12-18 04:34:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-18 04:34:58,365 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:34:58,365 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 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] [2021-12-18 04:34:58,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 04:34:58,366 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:34:58,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:34:58,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1347570925, now seen corresponding path program 1 times [2021-12-18 04:34:58,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:34:58,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115360929] [2021-12-18 04:34:58,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:34:58,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:34:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:34:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:34:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:34:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:34:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:34:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:34:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:34:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:34:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:34:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:34:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:34:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:34:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 04:34:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:34:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 04:34:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 04:34:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:34:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:34:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 04:34:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 04:34:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:34:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 04:34:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 04:34:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 04:34:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 04:34:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 04:34:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 04:34:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 04:34:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 04:34:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 04:34:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 04:34:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:34:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-12-18 04:34:58,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:34:58,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115360929] [2021-12-18 04:34:58,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115360929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:34:58,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:34:58,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 04:34:58,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787086043] [2021-12-18 04:34:58,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:34:58,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:34:58,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:34:58,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:34:58,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 04:34:58,943 INFO L87 Difference]: Start difference. First operand 9627 states and 13638 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:35:04,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:35:04,868 INFO L93 Difference]: Finished difference Result 27017 states and 38426 transitions. [2021-12-18 04:35:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 04:35:04,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 220 [2021-12-18 04:35:04,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:35:05,020 INFO L225 Difference]: With dead ends: 27017 [2021-12-18 04:35:05,020 INFO L226 Difference]: Without dead ends: 17449 [2021-12-18 04:35:05,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 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 04:35:05,067 INFO L933 BasicCegarLoop]: 6209 mSDtfsCounter, 4091 mSDsluCounter, 5135 mSDsCounter, 0 mSdLazyCounter, 3037 mSolverCounterSat, 1382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4671 SdHoareTripleChecker+Valid, 11344 SdHoareTripleChecker+Invalid, 4419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1382 IncrementalHoareTripleChecker+Valid, 3037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:35:05,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4671 Valid, 11344 Invalid, 4419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1382 Valid, 3037 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-18 04:35:05,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17449 states. [2021-12-18 04:35:05,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17449 to 16622. [2021-12-18 04:35:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16622 states, 11543 states have (on average 1.3377804730139478) internal successors, (15442), 12127 states have internal predecessors, (15442), 3985 states have call successors, (3985), 1094 states have call predecessors, (3985), 1093 states have return successors, (3984), 3889 states have call predecessors, (3984), 3984 states have call successors, (3984) [2021-12-18 04:35:05,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16622 states to 16622 states and 23411 transitions. [2021-12-18 04:35:05,564 INFO L78 Accepts]: Start accepts. Automaton has 16622 states and 23411 transitions. Word has length 220 [2021-12-18 04:35:05,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:35:05,565 INFO L470 AbstractCegarLoop]: Abstraction has 16622 states and 23411 transitions. [2021-12-18 04:35:05,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:35:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 16622 states and 23411 transitions. [2021-12-18 04:35:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-12-18 04:35:05,581 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:35:05,581 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:35:05,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 04:35:05,582 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:35:05,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:35:05,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1196821462, now seen corresponding path program 1 times [2021-12-18 04:35:05,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:35:05,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898761968] [2021-12-18 04:35:05,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:35:05,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:35:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:35:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:35:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:35:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:35:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:35:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:35:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:35:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:35:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:35:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:35:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:35:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:35:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 04:35:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:35:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 04:35:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 04:35:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:35:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:35:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 04:35:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:05,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 04:35:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:35:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 04:35:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 04:35:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 04:35:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 04:35:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 04:35:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 04:35:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 04:35:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 04:35:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 04:35:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 04:35:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 04:35:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 04:35:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 04:35:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 04:35:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 04:35:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 04:35:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-18 04:35:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 04:35:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-18 04:35:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 04:35:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 04:35:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 04:35:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 04:35:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 04:35:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 04:35:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 04:35:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 04:35:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 04:35:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 04:35:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 04:35:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-18 04:35:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 04:35:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4908 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4908 trivial. 0 not checked. [2021-12-18 04:35:06,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:35:06,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898761968] [2021-12-18 04:35:06,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898761968] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:35:06,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:35:06,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 04:35:06,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570537179] [2021-12-18 04:35:06,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:35:06,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:35:06,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:35:06,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:35:06,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 04:35:06,334 INFO L87 Difference]: Start difference. First operand 16622 states and 23411 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2021-12-18 04:35:10,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:35:10,939 INFO L93 Difference]: Finished difference Result 29009 states and 41217 transitions. [2021-12-18 04:35:10,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 04:35:10,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 370 [2021-12-18 04:35:10,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:35:11,083 INFO L225 Difference]: With dead ends: 29009 [2021-12-18 04:35:11,083 INFO L226 Difference]: Without dead ends: 29006 [2021-12-18 04:35:11,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 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 04:35:11,107 INFO L933 BasicCegarLoop]: 4310 mSDtfsCounter, 3963 mSDsluCounter, 4063 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 1485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4317 SdHoareTripleChecker+Valid, 8373 SdHoareTripleChecker+Invalid, 3870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1485 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-18 04:35:11,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4317 Valid, 8373 Invalid, 3870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1485 Valid, 2385 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-18 04:35:11,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29006 states. [2021-12-18 04:35:11,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29006 to 27409. [2021-12-18 04:35:11,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27409 states, 19383 states have (on average 1.343600061909921) internal successors, (26043), 20255 states have internal predecessors, (26043), 6038 states have call successors, (6038), 1964 states have call predecessors, (6038), 1987 states have return successors, (6345), 5863 states have call predecessors, (6345), 6037 states have call successors, (6345) [2021-12-18 04:35:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27409 states to 27409 states and 38426 transitions. [2021-12-18 04:35:12,098 INFO L78 Accepts]: Start accepts. Automaton has 27409 states and 38426 transitions. Word has length 370 [2021-12-18 04:35:12,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:35:12,099 INFO L470 AbstractCegarLoop]: Abstraction has 27409 states and 38426 transitions. [2021-12-18 04:35:12,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2021-12-18 04:35:12,099 INFO L276 IsEmpty]: Start isEmpty. Operand 27409 states and 38426 transitions. [2021-12-18 04:35:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-12-18 04:35:12,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:35:12,145 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:35:12,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 04:35:12,145 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:35:12,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:35:12,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1958315436, now seen corresponding path program 1 times [2021-12-18 04:35:12,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:35:12,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163152579] [2021-12-18 04:35:12,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:35:12,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:35:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:35:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:35:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:35:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:35:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:35:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:35:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:35:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:35:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:35:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:35:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:35:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:35:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 04:35:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:35:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 04:35:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 04:35:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:35:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:35:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 04:35:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 04:35:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:35:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 04:35:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 04:35:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 04:35:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 04:35:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 04:35:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 04:35:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 04:35:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 04:35:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 04:35:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 04:35:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 04:35:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 04:35:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 04:35:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 04:35:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 04:35:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 04:35:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-18 04:35:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 04:35:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-18 04:35:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 04:35:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 04:35:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 04:35:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 04:35:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 04:35:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 04:35:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 04:35:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 04:35:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 04:35:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 04:35:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 04:35:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:35:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 04:35:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:12,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 04:35:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 04:35:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4911 trivial. 0 not checked. [2021-12-18 04:35:13,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:35:13,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163152579] [2021-12-18 04:35:13,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163152579] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:35:13,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:35:13,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 04:35:13,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746439120] [2021-12-18 04:35:13,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:35:13,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 04:35:13,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:35:13,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 04:35:13,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 04:35:13,011 INFO L87 Difference]: Start difference. First operand 27409 states and 38426 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-12-18 04:35:21,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:35:21,843 INFO L93 Difference]: Finished difference Result 86833 states and 123019 transitions. [2021-12-18 04:35:21,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:35:21,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 395 [2021-12-18 04:35:21,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:35:22,114 INFO L225 Difference]: With dead ends: 86833 [2021-12-18 04:35:22,114 INFO L226 Difference]: Without dead ends: 59492 [2021-12-18 04:35:22,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:35:22,363 INFO L933 BasicCegarLoop]: 6934 mSDtfsCounter, 5314 mSDsluCounter, 8212 mSDsCounter, 0 mSdLazyCounter, 4888 mSolverCounterSat, 2998 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5947 SdHoareTripleChecker+Valid, 15146 SdHoareTripleChecker+Invalid, 7886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2998 IncrementalHoareTripleChecker+Valid, 4888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-18 04:35:22,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5947 Valid, 15146 Invalid, 7886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2998 Valid, 4888 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-18 04:35:22,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59492 states. [2021-12-18 04:35:23,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59492 to 56839. [2021-12-18 04:35:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56839 states, 40193 states have (on average 1.3439156071952827) internal successors, (54016), 42145 states have internal predecessors, (54016), 12502 states have call successors, (12502), 3926 states have call predecessors, (12502), 4143 states have return successors, (13443), 12193 states have call predecessors, (13443), 12501 states have call successors, (13443) [2021-12-18 04:35:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56839 states to 56839 states and 79961 transitions. [2021-12-18 04:35:24,563 INFO L78 Accepts]: Start accepts. Automaton has 56839 states and 79961 transitions. Word has length 395 [2021-12-18 04:35:24,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:35:24,564 INFO L470 AbstractCegarLoop]: Abstraction has 56839 states and 79961 transitions. [2021-12-18 04:35:24,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-12-18 04:35:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 56839 states and 79961 transitions. [2021-12-18 04:35:24,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-12-18 04:35:24,648 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:35:24,648 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:35:24,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 04:35:24,649 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:35:24,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:35:24,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1060922158, now seen corresponding path program 1 times [2021-12-18 04:35:24,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:35:24,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664428214] [2021-12-18 04:35:24,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:35:24,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:35:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:35:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:35:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:35:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:35:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:35:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:35:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:35:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:35:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:35:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:35:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:35:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:35:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 04:35:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:35:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 04:35:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 04:35:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:35:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:35:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 04:35:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 04:35:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:35:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 04:35:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 04:35:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 04:35:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 04:35:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 04:35:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 04:35:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 04:35:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 04:35:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 04:35:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 04:35:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 04:35:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 04:35:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 04:35:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 04:35:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 04:35:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 04:35:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-18 04:35:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 04:35:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-18 04:35:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 04:35:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 04:35:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 04:35:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 04:35:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 04:35:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 04:35:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 04:35:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 04:35:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 04:35:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 04:35:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 04:35:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:35:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 04:35:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 04:35:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 04:35:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 96 proven. 13 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2021-12-18 04:35:26,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:35:26,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664428214] [2021-12-18 04:35:26,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664428214] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:35:26,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128284268] [2021-12-18 04:35:26,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:35:26,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:35:26,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:35:26,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:35:26,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 04:35:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:27,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 4042 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 04:35:27,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:35:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 2473 proven. 0 refuted. 0 times theorem prover too weak. 2442 trivial. 0 not checked. [2021-12-18 04:35:28,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:35:28,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128284268] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:35:28,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 04:35:28,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2021-12-18 04:35:28,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668165076] [2021-12-18 04:35:28,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:35:28,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 04:35:28,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:35:28,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 04:35:28,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2021-12-18 04:35:28,199 INFO L87 Difference]: Start difference. First operand 56839 states and 79961 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-12-18 04:35:30,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:35:30,324 INFO L93 Difference]: Finished difference Result 113742 states and 159987 transitions. [2021-12-18 04:35:30,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 04:35:30,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 395 [2021-12-18 04:35:30,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:35:30,826 INFO L225 Difference]: With dead ends: 113742 [2021-12-18 04:35:30,826 INFO L226 Difference]: Without dead ends: 56811 [2021-12-18 04:35:30,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-12-18 04:35:30,941 INFO L933 BasicCegarLoop]: 3886 mSDtfsCounter, 6 mSDsluCounter, 11653 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15539 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:35:30,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 15539 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 04:35:30,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56811 states. [2021-12-18 04:35:32,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56811 to 56699. [2021-12-18 04:35:32,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56699 states, 40053 states have (on average 1.3435198362170124) internal successors, (53812), 42005 states have internal predecessors, (53812), 12502 states have call successors, (12502), 3926 states have call predecessors, (12502), 4143 states have return successors, (13443), 12193 states have call predecessors, (13443), 12501 states have call successors, (13443) [2021-12-18 04:35:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56699 states to 56699 states and 79757 transitions. [2021-12-18 04:35:32,837 INFO L78 Accepts]: Start accepts. Automaton has 56699 states and 79757 transitions. Word has length 395 [2021-12-18 04:35:32,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:35:32,838 INFO L470 AbstractCegarLoop]: Abstraction has 56699 states and 79757 transitions. [2021-12-18 04:35:32,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-12-18 04:35:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 56699 states and 79757 transitions. [2021-12-18 04:35:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-12-18 04:35:32,931 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:35:32,931 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:35:32,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 04:35:33,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-18 04:35:33,152 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:35:33,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:35:33,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1707498606, now seen corresponding path program 1 times [2021-12-18 04:35:33,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:35:33,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763591318] [2021-12-18 04:35:33,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:35:33,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:35:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:35:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:35:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:35:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:35:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:35:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:35:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:35:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:35:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:35:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:35:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:35:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:35:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 04:35:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:35:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 04:35:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 04:35:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:35:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:35:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 04:35:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 04:35:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:35:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 04:35:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 04:35:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 04:35:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 04:35:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 04:35:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 04:35:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 04:35:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 04:35:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 04:35:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 04:35:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 04:35:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 04:35:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 04:35:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 04:35:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 04:35:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 04:35:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 04:35:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 04:35:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-18 04:35:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 04:35:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 04:35:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 04:35:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 04:35:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 04:35:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 04:35:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 04:35:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 04:35:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-18 04:35:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 04:35:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 04:35:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:35:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 04:35:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 04:35:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-18 04:35:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 96 proven. 13 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2021-12-18 04:35:34,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:35:34,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763591318] [2021-12-18 04:35:34,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763591318] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:35:34,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847743532] [2021-12-18 04:35:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:35:34,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:35:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:35:34,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:35:34,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 04:35:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:35:35,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 4067 conjuncts, 50 conjunts are in the unsatisfiable core [2021-12-18 04:35:35,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:35:37,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-18 04:35:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 301 proven. 6 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2021-12-18 04:35:37,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:35:37,843 INFO L354 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2021-12-18 04:35:37,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-12-18 04:35:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 96 proven. 13 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2021-12-18 04:35:38,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847743532] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:35:38,912 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 04:35:38,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 12] total 30 [2021-12-18 04:35:38,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231471256] [2021-12-18 04:35:38,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 04:35:38,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-18 04:35:38,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:35:38,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-18 04:35:38,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2021-12-18 04:35:38,917 INFO L87 Difference]: Start difference. First operand 56699 states and 79757 transitions. Second operand has 30 states, 30 states have (on average 7.2) internal successors, (216), 23 states have internal predecessors, (216), 14 states have call successors, (169), 11 states have call predecessors, (169), 9 states have return successors, (112), 13 states have call predecessors, (112), 11 states have call successors, (112) [2021-12-18 04:36:34,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:36:34,285 INFO L93 Difference]: Finished difference Result 286676 states and 416206 transitions. [2021-12-18 04:36:34,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-12-18 04:36:34,286 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 7.2) internal successors, (216), 23 states have internal predecessors, (216), 14 states have call successors, (169), 11 states have call predecessors, (169), 9 states have return successors, (112), 13 states have call predecessors, (112), 11 states have call successors, (112) Word has length 397 [2021-12-18 04:36:34,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:36:36,238 INFO L225 Difference]: With dead ends: 286676 [2021-12-18 04:36:36,239 INFO L226 Difference]: Without dead ends: 230045 [2021-12-18 04:36:36,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 898 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1262 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=742, Invalid=4370, Unknown=0, NotChecked=0, Total=5112 [2021-12-18 04:36:36,594 INFO L933 BasicCegarLoop]: 5679 mSDtfsCounter, 26971 mSDsluCounter, 53740 mSDsCounter, 0 mSdLazyCounter, 84845 mSolverCounterSat, 19249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27913 SdHoareTripleChecker+Valid, 59419 SdHoareTripleChecker+Invalid, 104094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 19249 IncrementalHoareTripleChecker+Valid, 84845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.3s IncrementalHoareTripleChecker+Time [2021-12-18 04:36:36,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27913 Valid, 59419 Invalid, 104094 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [19249 Valid, 84845 Invalid, 0 Unknown, 0 Unchecked, 47.3s Time] [2021-12-18 04:36:36,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230045 states. [2021-12-18 04:36:44,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230045 to 195173. [2021-12-18 04:36:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195173 states, 139427 states have (on average 1.3604538575742144) internal successors, (189684), 146455 states have internal predecessors, (189684), 40274 states have call successors, (40274), 14940 states have call predecessors, (40274), 15471 states have return successors, (46969), 37747 states have call predecessors, (46969), 40273 states have call successors, (46969) [2021-12-18 04:36:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195173 states to 195173 states and 276927 transitions. [2021-12-18 04:36:45,994 INFO L78 Accepts]: Start accepts. Automaton has 195173 states and 276927 transitions. Word has length 397 [2021-12-18 04:36:45,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:36:45,995 INFO L470 AbstractCegarLoop]: Abstraction has 195173 states and 276927 transitions. [2021-12-18 04:36:45,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.2) internal successors, (216), 23 states have internal predecessors, (216), 14 states have call successors, (169), 11 states have call predecessors, (169), 9 states have return successors, (112), 13 states have call predecessors, (112), 11 states have call successors, (112) [2021-12-18 04:36:45,996 INFO L276 IsEmpty]: Start isEmpty. Operand 195173 states and 276927 transitions. [2021-12-18 04:36:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-12-18 04:36:46,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:36:46,577 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:36:46,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 04:36:46,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-18 04:36:46,794 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:36:46,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:36:46,795 INFO L85 PathProgramCache]: Analyzing trace with hash -955879295, now seen corresponding path program 1 times [2021-12-18 04:36:46,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:36:46,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379959649] [2021-12-18 04:36:46,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:36:46,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:36:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:36:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:36:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:36:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:36:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:36:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:36:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:36:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:36:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:36:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:36:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:36:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:36:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 04:36:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:36:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 04:36:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 04:36:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:36:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:36:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 04:36:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 04:36:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:36:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 04:36:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 04:36:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 04:36:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 04:36:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 04:36:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 04:36:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 04:36:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 04:36:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 04:36:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 04:36:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 04:36:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 04:36:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 04:36:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 04:36:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 04:36:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 04:36:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 04:36:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 04:36:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-18 04:36:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 04:36:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 04:36:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 04:36:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 04:36:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 04:36:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 04:36:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 04:36:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 04:36:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-18 04:36:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 04:36:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 04:36:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:36:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 04:36:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 04:36:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-18 04:36:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4919 backedges. 76 proven. 37 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2021-12-18 04:36:47,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:36:47,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379959649] [2021-12-18 04:36:47,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379959649] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:36:47,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446832016] [2021-12-18 04:36:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:36:47,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:36:47,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:36:47,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:36:47,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 04:36:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:36:48,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 4069 conjuncts, 52 conjunts are in the unsatisfiable core [2021-12-18 04:36:48,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:36:50,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-18 04:36:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4919 backedges. 1781 proven. 30 refuted. 0 times theorem prover too weak. 3108 trivial. 0 not checked. [2021-12-18 04:36:50,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:36:50,946 INFO L354 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2021-12-18 04:36:50,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-12-18 04:36:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4919 backedges. 76 proven. 37 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2021-12-18 04:36:51,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446832016] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:36:51,831 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 04:36:51,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 12] total 30 [2021-12-18 04:36:51,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464633985] [2021-12-18 04:36:51,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 04:36:51,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-18 04:36:51,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:36:51,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-18 04:36:51,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2021-12-18 04:36:51,834 INFO L87 Difference]: Start difference. First operand 195173 states and 276927 transitions. Second operand has 30 states, 30 states have (on average 7.766666666666667) internal successors, (233), 23 states have internal predecessors, (233), 14 states have call successors, (169), 11 states have call predecessors, (169), 9 states have return successors, (112), 13 states have call predecessors, (112), 11 states have call successors, (112) [2021-12-18 04:38:10,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:38:10,524 INFO L93 Difference]: Finished difference Result 998362 states and 1457514 transitions. [2021-12-18 04:38:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-12-18 04:38:10,525 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 7.766666666666667) internal successors, (233), 23 states have internal predecessors, (233), 14 states have call successors, (169), 11 states have call predecessors, (169), 9 states have return successors, (112), 13 states have call predecessors, (112), 11 states have call successors, (112) Word has length 398 [2021-12-18 04:38:10,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted.