./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.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 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 05:49:41,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 05:49:41,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 05:49:41,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 05:49:41,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 05:49:41,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 05:49:41,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 05:49:41,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 05:49:41,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 05:49:41,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 05:49:41,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 05:49:41,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 05:49:41,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 05:49:41,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 05:49:41,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 05:49:41,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 05:49:41,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 05:49:41,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 05:49:41,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 05:49:41,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 05:49:41,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 05:49:41,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 05:49:41,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 05:49:41,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 05:49:41,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 05:49:41,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 05:49:41,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 05:49:41,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 05:49:41,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 05:49:41,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 05:49:41,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 05:49:41,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 05:49:41,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 05:49:41,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 05:49:41,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 05:49:41,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 05:49:41,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 05:49:41,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 05:49:41,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 05:49:41,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 05:49:41,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 05:49:41,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 05:49:41,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 05:49:41,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 05:49:41,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 05:49:41,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 05:49:41,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 05:49:41,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 05:49:41,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 05:49:41,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 05:49:41,176 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 05:49:41,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 05:49:41,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 05:49:41,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 05:49:41,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 05:49:41,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 05:49:41,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 05:49:41,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 05:49:41,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 05:49:41,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 05:49:41,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 05:49:41,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 05:49:41,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 05:49:41,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:49:41,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 05:49:41,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 05:49:41,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 05:49:41,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 05:49:41,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 05:49:41,181 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 05:49:41,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 05:49:41,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 05:49:41,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 05:49:41,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2021-12-18 05:49:41,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 05:49:41,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 05:49:41,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 05:49:41,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 05:49:41,445 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 05:49:41,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-12-18 05:49:41,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf4e75ce/cf685ac1db7a40668a72bd666120cfb8/FLAGf3510069c [2021-12-18 05:49:42,212 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 05:49:42,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-12-18 05:49:42,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf4e75ce/cf685ac1db7a40668a72bd666120cfb8/FLAGf3510069c [2021-12-18 05:49:42,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf4e75ce/cf685ac1db7a40668a72bd666120cfb8 [2021-12-18 05:49:42,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 05:49:42,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 05:49:42,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 05:49:42,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 05:49:42,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 05:49:42,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:49:42" (1/1) ... [2021-12-18 05:49:42,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6815a80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:42, skipping insertion in model container [2021-12-18 05:49:42,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:49:42" (1/1) ... [2021-12-18 05:49:42,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 05:49:42,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:49:43,654 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-12-18 05:49:43,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:49:43,723 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 05:49:44,064 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-12-18 05:49:44,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:49:44,158 INFO L208 MainTranslator]: Completed translation [2021-12-18 05:49:44,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44 WrapperNode [2021-12-18 05:49:44,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 05:49:44,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 05:49:44,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 05:49:44,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 05:49:44,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (1/1) ... [2021-12-18 05:49:44,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (1/1) ... [2021-12-18 05:49:44,313 INFO L137 Inliner]: procedures = 151, calls = 761, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1701 [2021-12-18 05:49:44,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 05:49:44,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 05:49:44,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 05:49:44,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 05:49:44,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (1/1) ... [2021-12-18 05:49:44,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (1/1) ... [2021-12-18 05:49:44,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (1/1) ... [2021-12-18 05:49:44,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (1/1) ... [2021-12-18 05:49:44,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (1/1) ... [2021-12-18 05:49:44,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (1/1) ... [2021-12-18 05:49:44,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (1/1) ... [2021-12-18 05:49:44,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 05:49:44,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 05:49:44,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 05:49:44,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 05:49:44,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (1/1) ... [2021-12-18 05:49:44,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:49:44,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:49:44,497 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 05:49:44,508 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 05:49:44,536 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2021-12-18 05:49:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2021-12-18 05:49:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2021-12-18 05:49:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2021-12-18 05:49:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 05:49:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 05:49:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 05:49:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 05:49:44,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 05:49:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 05:49:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 05:49:44,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 05:49:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2021-12-18 05:49:44,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2021-12-18 05:49:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2021-12-18 05:49:44,540 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2021-12-18 05:49:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 05:49:44,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 05:49:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 05:49:44,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 05:49:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 05:49:44,541 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 05:49:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-18 05:49:44,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-18 05:49:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 05:49:44,541 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 05:49:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-18 05:49:44,542 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-18 05:49:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 05:49:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 05:49:44,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 05:49:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 05:49:44,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 05:49:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2021-12-18 05:49:44,543 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2021-12-18 05:49:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 05:49:44,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 05:49:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2021-12-18 05:49:44,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2021-12-18 05:49:44,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 05:49:44,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 05:49:44,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 05:49:44,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 05:49:44,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 05:49:44,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 05:49:44,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 05:49:44,545 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-18 05:49:44,545 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-18 05:49:44,545 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2021-12-18 05:49:44,545 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2021-12-18 05:49:44,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 05:49:44,546 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2021-12-18 05:49:44,546 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2021-12-18 05:49:44,547 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-18 05:49:44,547 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-18 05:49:44,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 05:49:44,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 05:49:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2021-12-18 05:49:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2021-12-18 05:49:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 05:49:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 05:49:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2021-12-18 05:49:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2021-12-18 05:49:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 05:49:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2021-12-18 05:49:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2021-12-18 05:49:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 05:49:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 05:49:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 05:49:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 05:49:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2021-12-18 05:49:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2021-12-18 05:49:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 05:49:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 05:49:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2021-12-18 05:49:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2021-12-18 05:49:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 05:49:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 05:49:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 05:49:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2021-12-18 05:49:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2021-12-18 05:49:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 05:49:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 05:49:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 05:49:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2021-12-18 05:49:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2021-12-18 05:49:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2021-12-18 05:49:44,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2021-12-18 05:49:44,993 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 05:49:44,996 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 05:49:45,114 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 05:49:46,010 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 05:49:46,025 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 05:49:46,027 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 05:49:46,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:49:46 BoogieIcfgContainer [2021-12-18 05:49:46,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 05:49:46,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 05:49:46,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 05:49:46,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 05:49:46,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:49:42" (1/3) ... [2021-12-18 05:49:46,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d9d7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:49:46, skipping insertion in model container [2021-12-18 05:49:46,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:49:44" (2/3) ... [2021-12-18 05:49:46,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d9d7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:49:46, skipping insertion in model container [2021-12-18 05:49:46,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:49:46" (3/3) ... [2021-12-18 05:49:46,043 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-12-18 05:49:46,048 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 05:49:46,049 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 05:49:46,104 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 05:49:46,110 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 05:49:46,110 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 05:49:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 564 states, 395 states have (on average 1.3113924050632912) internal successors, (518), 406 states have internal predecessors, (518), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2021-12-18 05:49:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-18 05:49:46,169 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:49:46,170 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:49:46,170 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:49:46,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:49:46,174 INFO L85 PathProgramCache]: Analyzing trace with hash 108953653, now seen corresponding path program 1 times [2021-12-18 05:49:46,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:49:46,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021387835] [2021-12-18 05:49:46,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:49:46,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:49:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:49:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:49:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:49:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:49:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:49:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 05:49:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:49:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:49:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 05:49:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:49:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 05:49:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 05:49:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 05:49:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:46,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 05:49:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:47,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2021-12-18 05:49:47,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:49:47,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021387835] [2021-12-18 05:49:47,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021387835] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:49:47,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:49:47,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:49:47,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048440535] [2021-12-18 05:49:47,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:49:47,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:49:47,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:49:47,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:49:47,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:49:47,065 INFO L87 Difference]: Start difference. First operand has 564 states, 395 states have (on average 1.3113924050632912) internal successors, (518), 406 states have internal predecessors, (518), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 05:49:47,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:49:47,927 INFO L93 Difference]: Finished difference Result 1151 states and 1655 transitions. [2021-12-18 05:49:47,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:49:47,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 184 [2021-12-18 05:49:47,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:49:47,947 INFO L225 Difference]: With dead ends: 1151 [2021-12-18 05:49:47,947 INFO L226 Difference]: Without dead ends: 581 [2021-12-18 05:49:47,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:49:47,958 INFO L933 BasicCegarLoop]: 767 mSDtfsCounter, 250 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 418 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:49:47,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 1193 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [418 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 05:49:47,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2021-12-18 05:49:48,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 553. [2021-12-18 05:49:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 390 states have (on average 1.2974358974358975) internal successors, (506), 395 states have internal predecessors, (506), 128 states have call successors, (128), 35 states have call predecessors, (128), 34 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2021-12-18 05:49:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 760 transitions. [2021-12-18 05:49:48,059 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 760 transitions. Word has length 184 [2021-12-18 05:49:48,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:49:48,060 INFO L470 AbstractCegarLoop]: Abstraction has 553 states and 760 transitions. [2021-12-18 05:49:48,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 05:49:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 760 transitions. [2021-12-18 05:49:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-18 05:49:48,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:49:48,070 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:49:48,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 05:49:48,070 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:49:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:49:48,071 INFO L85 PathProgramCache]: Analyzing trace with hash 825195323, now seen corresponding path program 1 times [2021-12-18 05:49:48,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:49:48,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868727035] [2021-12-18 05:49:48,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:49:48,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:49:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:49:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:49:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:49:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:49:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:49:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 05:49:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:49:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:49:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 05:49:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:49:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 05:49:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 05:49:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 05:49:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 05:49:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2021-12-18 05:49:48,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:49:48,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868727035] [2021-12-18 05:49:48,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868727035] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:49:48,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:49:48,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:49:48,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401193756] [2021-12-18 05:49:48,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:49:48,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:49:48,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:49:48,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:49:48,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:49:48,570 INFO L87 Difference]: Start difference. First operand 553 states and 760 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-18 05:49:49,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:49:49,978 INFO L93 Difference]: Finished difference Result 1614 states and 2294 transitions. [2021-12-18 05:49:49,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:49:49,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2021-12-18 05:49:49,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:49:49,992 INFO L225 Difference]: With dead ends: 1614 [2021-12-18 05:49:49,992 INFO L226 Difference]: Without dead ends: 1097 [2021-12-18 05:49:49,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:49:49,996 INFO L933 BasicCegarLoop]: 862 mSDtfsCounter, 961 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 2406 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 530 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:49:49,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1028 Valid, 2406 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [530 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-18 05:49:49,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2021-12-18 05:49:50,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1041. [2021-12-18 05:49:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 741 states have (on average 1.3076923076923077) internal successors, (969), 750 states have internal predecessors, (969), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2021-12-18 05:49:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1435 transitions. [2021-12-18 05:49:50,067 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1435 transitions. Word has length 184 [2021-12-18 05:49:50,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:49:50,068 INFO L470 AbstractCegarLoop]: Abstraction has 1041 states and 1435 transitions. [2021-12-18 05:49:50,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-18 05:49:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1435 transitions. [2021-12-18 05:49:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-18 05:49:50,071 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:49:50,072 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:49:50,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 05:49:50,072 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:49:50,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:49:50,073 INFO L85 PathProgramCache]: Analyzing trace with hash -140417823, now seen corresponding path program 1 times [2021-12-18 05:49:50,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:49:50,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409545072] [2021-12-18 05:49:50,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:49:50,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:49:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:49:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:49:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:49:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:49:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:49:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 05:49:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:49:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:49:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 05:49:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:49:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 05:49:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 05:49:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 05:49:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 05:49:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2021-12-18 05:49:50,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:49:50,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409545072] [2021-12-18 05:49:50,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409545072] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:49:50,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:49:50,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:49:50,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046379562] [2021-12-18 05:49:50,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:49:50,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:49:50,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:49:50,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:49:50,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:49:50,437 INFO L87 Difference]: Start difference. First operand 1041 states and 1435 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-18 05:49:51,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:49:51,840 INFO L93 Difference]: Finished difference Result 2098 states and 2962 transitions. [2021-12-18 05:49:51,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:49:51,841 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 187 [2021-12-18 05:49:51,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:49:51,849 INFO L225 Difference]: With dead ends: 2098 [2021-12-18 05:49:51,850 INFO L226 Difference]: Without dead ends: 1093 [2021-12-18 05:49:51,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:49:51,857 INFO L933 BasicCegarLoop]: 1115 mSDtfsCounter, 1257 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:49:51,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1330 Valid, 3146 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-18 05:49:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2021-12-18 05:49:51,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1040. [2021-12-18 05:49:51,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 740 states have (on average 1.304054054054054) internal successors, (965), 749 states have internal predecessors, (965), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2021-12-18 05:49:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1431 transitions. [2021-12-18 05:49:51,912 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1431 transitions. Word has length 187 [2021-12-18 05:49:51,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:49:51,913 INFO L470 AbstractCegarLoop]: Abstraction has 1040 states and 1431 transitions. [2021-12-18 05:49:51,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-18 05:49:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1431 transitions. [2021-12-18 05:49:51,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-18 05:49:51,918 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:49:51,919 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-12-18 05:49:51,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 05:49:51,919 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:49:51,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:49:51,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1713361567, now seen corresponding path program 1 times [2021-12-18 05:49:51,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:49:51,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855143395] [2021-12-18 05:49:51,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:49:51,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:49:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:49:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:49:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:49:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:49:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:49:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 05:49:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:49:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:49:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 05:49:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:49:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 05:49:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 05:49:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 05:49:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 05:49:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 05:49:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 05:49:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 05:49:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-12-18 05:49:52,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:49:52,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855143395] [2021-12-18 05:49:52,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855143395] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:49:52,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:49:52,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:49:52,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249942852] [2021-12-18 05:49:52,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:49:52,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:49:52,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:49:52,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:49:52,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:49:52,401 INFO L87 Difference]: Start difference. First operand 1040 states and 1431 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 05:49:53,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:49:53,522 INFO L93 Difference]: Finished difference Result 3148 states and 4466 transitions. [2021-12-18 05:49:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:49:53,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 245 [2021-12-18 05:49:53,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:49:53,536 INFO L225 Difference]: With dead ends: 3148 [2021-12-18 05:49:53,536 INFO L226 Difference]: Without dead ends: 2140 [2021-12-18 05:49:53,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:49:53,544 INFO L933 BasicCegarLoop]: 1050 mSDtfsCounter, 1056 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 644 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 644 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:49:53,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1125 Valid, 2242 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [644 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-18 05:49:53,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2021-12-18 05:49:53,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2033. [2021-12-18 05:49:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2033 states, 1452 states have (on average 1.3078512396694215) internal successors, (1899), 1469 states have internal predecessors, (1899), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2021-12-18 05:49:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 2033 states and 2799 transitions. [2021-12-18 05:49:53,661 INFO L78 Accepts]: Start accepts. Automaton has 2033 states and 2799 transitions. Word has length 245 [2021-12-18 05:49:53,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:49:53,663 INFO L470 AbstractCegarLoop]: Abstraction has 2033 states and 2799 transitions. [2021-12-18 05:49:53,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 05:49:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2799 transitions. [2021-12-18 05:49:53,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-18 05:49:53,673 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:49:53,673 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 05:49:53,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 05:49:53,675 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:49:53,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:49:53,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1250643980, now seen corresponding path program 1 times [2021-12-18 05:49:53,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:49:53,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201102622] [2021-12-18 05:49:53,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:49:53,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:49:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:49:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:49:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:49:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:49:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:49:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 05:49:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:49:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:49:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 05:49:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:53,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:49:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 05:49:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 05:49:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 05:49:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 05:49:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 05:49:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 05:49:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 05:49:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:54,124 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2021-12-18 05:49:54,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:49:54,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201102622] [2021-12-18 05:49:54,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201102622] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:49:54,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:49:54,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:49:54,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401598803] [2021-12-18 05:49:54,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:49:54,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:49:54,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:49:54,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:49:54,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:49:54,127 INFO L87 Difference]: Start difference. First operand 2033 states and 2799 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-18 05:49:55,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:49:55,341 INFO L93 Difference]: Finished difference Result 4862 states and 6998 transitions. [2021-12-18 05:49:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:49:55,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 267 [2021-12-18 05:49:55,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:49:55,361 INFO L225 Difference]: With dead ends: 4862 [2021-12-18 05:49:55,361 INFO L226 Difference]: Without dead ends: 2865 [2021-12-18 05:49:55,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:49:55,372 INFO L933 BasicCegarLoop]: 1038 mSDtfsCounter, 475 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 3373 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:49:55,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [590 Valid, 3373 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 05:49:55,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2865 states. [2021-12-18 05:49:55,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2865 to 2037. [2021-12-18 05:49:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2037 states, 1456 states have (on average 1.3070054945054945) internal successors, (1903), 1473 states have internal predecessors, (1903), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2021-12-18 05:49:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 2037 states and 2803 transitions. [2021-12-18 05:49:55,477 INFO L78 Accepts]: Start accepts. Automaton has 2037 states and 2803 transitions. Word has length 267 [2021-12-18 05:49:55,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:49:55,481 INFO L470 AbstractCegarLoop]: Abstraction has 2037 states and 2803 transitions. [2021-12-18 05:49:55,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-18 05:49:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2803 transitions. [2021-12-18 05:49:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-18 05:49:55,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:49:55,490 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 05:49:55,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 05:49:55,490 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:49:55,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:49:55,491 INFO L85 PathProgramCache]: Analyzing trace with hash -29219698, now seen corresponding path program 1 times [2021-12-18 05:49:55,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:49:55,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490340808] [2021-12-18 05:49:55,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:49:55,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:49:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:49:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:49:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:49:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:49:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:49:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 05:49:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:49:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:49:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 05:49:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:49:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 05:49:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 05:49:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 05:49:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 05:49:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 05:49:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 05:49:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 05:49:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2021-12-18 05:49:56,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:49:56,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490340808] [2021-12-18 05:49:56,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490340808] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:49:56,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726802197] [2021-12-18 05:49:56,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:49:56,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:49:56,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:49:56,007 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 05:49:56,037 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 05:49:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:56,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 05:49:56,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:49:57,218 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2021-12-18 05:49:57,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:49:57,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726802197] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:49:57,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:49:57,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2021-12-18 05:49:57,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205515774] [2021-12-18 05:49:57,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:49:57,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:49:57,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:49:57,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:49:57,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-18 05:49:57,221 INFO L87 Difference]: Start difference. First operand 2037 states and 2803 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-18 05:49:57,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:49:57,553 INFO L93 Difference]: Finished difference Result 3636 states and 5105 transitions. [2021-12-18 05:49:57,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:49:57,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 267 [2021-12-18 05:49:57,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:49:57,571 INFO L225 Difference]: With dead ends: 3636 [2021-12-18 05:49:57,571 INFO L226 Difference]: Without dead ends: 2630 [2021-12-18 05:49:57,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 344 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-18 05:49:57,579 INFO L933 BasicCegarLoop]: 1065 mSDtfsCounter, 933 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:49:57,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [933 Valid, 3444 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 05:49:57,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2021-12-18 05:49:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2043. [2021-12-18 05:49:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2043 states, 1462 states have (on average 1.3057455540355678) internal successors, (1909), 1479 states have internal predecessors, (1909), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2021-12-18 05:49:57,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2809 transitions. [2021-12-18 05:49:57,682 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2809 transitions. Word has length 267 [2021-12-18 05:49:57,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:49:57,683 INFO L470 AbstractCegarLoop]: Abstraction has 2043 states and 2809 transitions. [2021-12-18 05:49:57,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-18 05:49:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2809 transitions. [2021-12-18 05:49:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-18 05:49:57,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:49:57,692 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 05:49:57,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 05:49:57,911 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 05:49:57,912 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:49:57,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:49:57,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1121162219, now seen corresponding path program 1 times [2021-12-18 05:49:57,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:49:57,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505659939] [2021-12-18 05:49:57,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:49:57,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:49:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:49:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:49:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:49:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:49:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:49:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 05:49:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:49:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:49:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 05:49:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:49:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 05:49:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 05:49:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 05:49:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 05:49:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 05:49:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 05:49:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 05:49:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:49:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 05:49:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:49:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-12-18 05:49:58,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:49:58,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505659939] [2021-12-18 05:49:58,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505659939] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:49:58,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777777864] [2021-12-18 05:49:58,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:49:58,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:49:58,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:49:58,488 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 05:49:58,515 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 05:49:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:49:59,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2132 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-18 05:49:59,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:49:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-12-18 05:49:59,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:49:59,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777777864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:49:59,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:49:59,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2021-12-18 05:49:59,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266667340] [2021-12-18 05:49:59,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:49:59,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:49:59,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:49:59,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:49:59,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-18 05:49:59,785 INFO L87 Difference]: Start difference. First operand 2043 states and 2809 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 05:49:59,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:49:59,985 INFO L93 Difference]: Finished difference Result 4091 states and 5650 transitions. [2021-12-18 05:49:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:49:59,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 281 [2021-12-18 05:49:59,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:49:59,997 INFO L225 Difference]: With dead ends: 4091 [2021-12-18 05:49:59,997 INFO L226 Difference]: Without dead ends: 2047 [2021-12-18 05:50:00,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 356 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-12-18 05:50:00,007 INFO L933 BasicCegarLoop]: 744 mSDtfsCounter, 6 mSDsluCounter, 2943 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3687 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:50:00,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 3687 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:50:00,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2021-12-18 05:50:00,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2047. [2021-12-18 05:50:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1466 states have (on average 1.304911323328786) internal successors, (1913), 1483 states have internal predecessors, (1913), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2021-12-18 05:50:00,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2813 transitions. [2021-12-18 05:50:00,135 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2813 transitions. Word has length 281 [2021-12-18 05:50:00,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:50:00,136 INFO L470 AbstractCegarLoop]: Abstraction has 2047 states and 2813 transitions. [2021-12-18 05:50:00,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 05:50:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2813 transitions. [2021-12-18 05:50:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-18 05:50:00,146 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:50:00,147 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 05:50:00,179 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 05:50:00,375 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 05:50:00,376 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:50:00,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:50:00,376 INFO L85 PathProgramCache]: Analyzing trace with hash 510727518, now seen corresponding path program 1 times [2021-12-18 05:50:00,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:50:00,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817736262] [2021-12-18 05:50:00,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:50:00,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:50:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:50:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:50:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:50:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:50:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 05:50:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 05:50:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 05:50:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 05:50:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 05:50:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:50:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 05:50:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 05:50:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 05:50:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 05:50:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:50:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 05:50:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 05:50:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 05:50:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-12-18 05:50:00,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:50:00,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817736262] [2021-12-18 05:50:00,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817736262] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:50:00,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567646925] [2021-12-18 05:50:00,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:50:00,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:50:00,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:50:00,940 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 05:50:00,965 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 05:50:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:01,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 2297 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-18 05:50:01,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:50:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 351 proven. 1 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2021-12-18 05:50:02,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:50:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-12-18 05:50:03,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567646925] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:50:03,203 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:50:03,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2021-12-18 05:50:03,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665842304] [2021-12-18 05:50:03,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:50:03,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-18 05:50:03,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:50:03,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-18 05:50:03,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-12-18 05:50:03,206 INFO L87 Difference]: Start difference. First operand 2047 states and 2813 transitions. Second operand has 17 states, 15 states have (on average 9.0) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-18 05:50:04,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:50:04,864 INFO L93 Difference]: Finished difference Result 4249 states and 5992 transitions. [2021-12-18 05:50:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 05:50:04,865 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 9.0) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 292 [2021-12-18 05:50:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:50:04,880 INFO L225 Difference]: With dead ends: 4249 [2021-12-18 05:50:04,880 INFO L226 Difference]: Without dead ends: 2206 [2021-12-18 05:50:04,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 652 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=749, Unknown=0, NotChecked=0, Total=930 [2021-12-18 05:50:04,892 INFO L933 BasicCegarLoop]: 755 mSDtfsCounter, 290 mSDsluCounter, 6333 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 7088 SdHoareTripleChecker+Invalid, 1690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:50:04,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 7088 Invalid, 1690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1237 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-18 05:50:04,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2021-12-18 05:50:04,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 2066. [2021-12-18 05:50:04,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 1480 states have (on average 1.3027027027027027) internal successors, (1928), 1497 states have internal predecessors, (1928), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 05:50:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2832 transitions. [2021-12-18 05:50:05,000 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2832 transitions. Word has length 292 [2021-12-18 05:50:05,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:50:05,003 INFO L470 AbstractCegarLoop]: Abstraction has 2066 states and 2832 transitions. [2021-12-18 05:50:05,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 9.0) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-18 05:50:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2832 transitions. [2021-12-18 05:50:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-18 05:50:05,013 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:50:05,013 INFO L514 BasicCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 05:50:05,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 05:50:05,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:50:05,236 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:50:05,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:50:05,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1037858016, now seen corresponding path program 2 times [2021-12-18 05:50:05,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:50:05,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916245960] [2021-12-18 05:50:05,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:50:05,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:50:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:50:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:50:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:50:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:50:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 05:50:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:50:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 05:50:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:50:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 05:50:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 05:50:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-18 05:50:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 05:50:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 05:50:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 05:50:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 05:50:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 05:50:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 05:50:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 05:50:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2021-12-18 05:50:05,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:50:05,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916245960] [2021-12-18 05:50:05,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916245960] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:50:05,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520293373] [2021-12-18 05:50:05,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:50:05,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:50:05,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:50:05,955 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:50:05,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 05:50:08,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 05:50:08,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:50:08,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 2447 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-18 05:50:08,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:50:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 416 proven. 3 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2021-12-18 05:50:09,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:50:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2021-12-18 05:50:10,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520293373] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:50:10,086 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:50:10,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 20 [2021-12-18 05:50:10,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833173207] [2021-12-18 05:50:10,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:50:10,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-18 05:50:10,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:50:10,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-18 05:50:10,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-12-18 05:50:10,089 INFO L87 Difference]: Start difference. First operand 2066 states and 2832 transitions. Second operand has 20 states, 18 states have (on average 7.666666666666667) internal successors, (138), 16 states have internal predecessors, (138), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-18 05:50:12,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:50:12,069 INFO L93 Difference]: Finished difference Result 4270 states and 6007 transitions. [2021-12-18 05:50:12,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 05:50:12,070 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 7.666666666666667) internal successors, (138), 16 states have internal predecessors, (138), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 302 [2021-12-18 05:50:12,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:50:12,084 INFO L225 Difference]: With dead ends: 4270 [2021-12-18 05:50:12,084 INFO L226 Difference]: Without dead ends: 2210 [2021-12-18 05:50:12,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 707 GetRequests, 671 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=167, Invalid=889, Unknown=0, NotChecked=0, Total=1056 [2021-12-18 05:50:12,094 INFO L933 BasicCegarLoop]: 746 mSDtfsCounter, 296 mSDsluCounter, 7574 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 466 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 8320 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 466 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:50:12,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 8320 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [466 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-18 05:50:12,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2021-12-18 05:50:12,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2070. [2021-12-18 05:50:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2070 states, 1484 states have (on average 1.3018867924528301) internal successors, (1932), 1501 states have internal predecessors, (1932), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 05:50:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2836 transitions. [2021-12-18 05:50:12,194 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2836 transitions. Word has length 302 [2021-12-18 05:50:12,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:50:12,195 INFO L470 AbstractCegarLoop]: Abstraction has 2070 states and 2836 transitions. [2021-12-18 05:50:12,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 7.666666666666667) internal successors, (138), 16 states have internal predecessors, (138), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-18 05:50:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2836 transitions. [2021-12-18 05:50:12,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-12-18 05:50:12,203 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:50:12,203 INFO L514 BasicCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 05:50:12,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 05:50:12,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:50:12,416 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:50:12,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:50:12,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1729942178, now seen corresponding path program 3 times [2021-12-18 05:50:12,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:50:12,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110021377] [2021-12-18 05:50:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:50:12,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:50:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:50:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:50:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:50:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:50:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 05:50:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:50:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:50:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 05:50:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 05:50:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 05:50:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 05:50:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 05:50:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-18 05:50:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 05:50:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 05:50:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 05:50:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 05:50:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 05:50:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 14 proven. 204 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2021-12-18 05:50:13,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:50:13,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110021377] [2021-12-18 05:50:13,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110021377] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:50:13,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461604479] [2021-12-18 05:50:13,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-18 05:50:13,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:50:13,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:50:13,237 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:50:13,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 05:50:17,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-12-18 05:50:17,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:50:18,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 1719 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-18 05:50:18,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:50:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 346 proven. 6 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2021-12-18 05:50:18,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:50:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2021-12-18 05:50:19,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461604479] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:50:19,515 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:50:19,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2021-12-18 05:50:19,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960876280] [2021-12-18 05:50:19,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:50:19,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-18 05:50:19,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:50:19,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-18 05:50:19,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2021-12-18 05:50:19,520 INFO L87 Difference]: Start difference. First operand 2070 states and 2836 transitions. Second operand has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 20 states have internal predecessors, (145), 4 states have call successors, (54), 6 states have call predecessors, (54), 7 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-18 05:50:21,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:50:21,655 INFO L93 Difference]: Finished difference Result 4278 states and 6015 transitions. [2021-12-18 05:50:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-18 05:50:21,656 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 20 states have internal predecessors, (145), 4 states have call successors, (54), 6 states have call predecessors, (54), 7 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) Word has length 312 [2021-12-18 05:50:21,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:50:21,670 INFO L225 Difference]: With dead ends: 4278 [2021-12-18 05:50:21,670 INFO L226 Difference]: Without dead ends: 2214 [2021-12-18 05:50:21,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 688 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=241, Invalid=1481, Unknown=0, NotChecked=0, Total=1722 [2021-12-18 05:50:21,680 INFO L933 BasicCegarLoop]: 737 mSDtfsCounter, 372 mSDsluCounter, 8799 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 9536 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:50:21,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 9536 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-18 05:50:21,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2021-12-18 05:50:21,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2074. [2021-12-18 05:50:21,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1488 states have (on average 1.3010752688172043) internal successors, (1936), 1505 states have internal predecessors, (1936), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 05:50:21,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2840 transitions. [2021-12-18 05:50:21,793 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2840 transitions. Word has length 312 [2021-12-18 05:50:21,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:50:21,794 INFO L470 AbstractCegarLoop]: Abstraction has 2074 states and 2840 transitions. [2021-12-18 05:50:21,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 20 states have internal predecessors, (145), 4 states have call successors, (54), 6 states have call predecessors, (54), 7 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-18 05:50:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2840 transitions. [2021-12-18 05:50:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-18 05:50:21,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:50:21,804 INFO L514 BasicCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 05:50:21,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 05:50:22,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-18 05:50:22,023 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:50:22,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:50:22,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1494093216, now seen corresponding path program 4 times [2021-12-18 05:50:22,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:50:22,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790070601] [2021-12-18 05:50:22,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:50:22,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:50:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:50:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:50:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:50:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:50:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 05:50:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 05:50:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 05:50:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 05:50:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:50:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 05:50:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 05:50:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 05:50:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-18 05:50:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 05:50:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 05:50:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 05:50:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:50:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 05:50:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 16 proven. 289 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2021-12-18 05:50:22,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:50:22,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790070601] [2021-12-18 05:50:22,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790070601] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:50:22,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013510955] [2021-12-18 05:50:22,817 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-18 05:50:22,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:50:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:50:22,820 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:50:22,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 05:50:26,979 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-18 05:50:26,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:50:26,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 2747 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-18 05:50:27,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:50:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 1181 proven. 13 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2021-12-18 05:50:27,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:50:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 140 proven. 165 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2021-12-18 05:50:28,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013510955] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:50:28,363 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:50:28,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2021-12-18 05:50:28,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172434937] [2021-12-18 05:50:28,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:50:28,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-18 05:50:28,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:50:28,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-18 05:50:28,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2021-12-18 05:50:28,367 INFO L87 Difference]: Start difference. First operand 2074 states and 2840 transitions. Second operand has 24 states, 22 states have (on average 6.636363636363637) internal successors, (146), 20 states have internal predecessors, (146), 4 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) [2021-12-18 05:50:30,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:50:30,655 INFO L93 Difference]: Finished difference Result 4298 states and 6040 transitions. [2021-12-18 05:50:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-18 05:50:30,659 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.636363636363637) internal successors, (146), 20 states have internal predecessors, (146), 4 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) Word has length 322 [2021-12-18 05:50:30,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:50:30,672 INFO L225 Difference]: With dead ends: 4298 [2021-12-18 05:50:30,672 INFO L226 Difference]: Without dead ends: 2235 [2021-12-18 05:50:30,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 708 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=333, Invalid=1923, Unknown=0, NotChecked=0, Total=2256 [2021-12-18 05:50:30,681 INFO L933 BasicCegarLoop]: 746 mSDtfsCounter, 242 mSDsluCounter, 10021 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 10767 SdHoareTripleChecker+Invalid, 2492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:50:30,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 10767 Invalid, 2492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-18 05:50:30,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2021-12-18 05:50:30,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2095. [2021-12-18 05:50:30,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2095 states, 1507 states have (on average 1.3005972130059722) internal successors, (1960), 1524 states have internal predecessors, (1960), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 05:50:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 2864 transitions. [2021-12-18 05:50:30,766 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 2864 transitions. Word has length 322 [2021-12-18 05:50:30,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:50:30,767 INFO L470 AbstractCegarLoop]: Abstraction has 2095 states and 2864 transitions. [2021-12-18 05:50:30,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.636363636363637) internal successors, (146), 20 states have internal predecessors, (146), 4 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) [2021-12-18 05:50:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2864 transitions. [2021-12-18 05:50:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-12-18 05:50:30,774 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:50:30,775 INFO L514 BasicCegarLoop]: trace histogram [47, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 05:50:30,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-18 05:50:30,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:50:30,990 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:50:30,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:50:30,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1461902608, now seen corresponding path program 5 times [2021-12-18 05:50:30,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:50:30,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549271836] [2021-12-18 05:50:30,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:50:30,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:50:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:50:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:50:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:50:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:50:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 05:50:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 05:50:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:50:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 05:50:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 05:50:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 05:50:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:50:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 05:50:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 05:50:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-18 05:50:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 05:50:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 05:50:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 05:50:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 05:50:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2021-12-18 05:50:31,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:50:31,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549271836] [2021-12-18 05:50:31,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549271836] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:50:31,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269867604] [2021-12-18 05:50:31,741 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-18 05:50:31,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:50:31,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:50:31,744 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:50:31,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-18 05:50:36,007 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-12-18 05:50:36,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:50:36,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-18 05:50:36,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:50:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 688 proven. 15 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2021-12-18 05:50:36,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:50:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2021-12-18 05:50:37,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269867604] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:50:37,252 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:50:37,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 26 [2021-12-18 05:50:37,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990925296] [2021-12-18 05:50:37,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:50:37,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-18 05:50:37,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:50:37,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-18 05:50:37,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=565, Unknown=0, NotChecked=0, Total=650 [2021-12-18 05:50:37,254 INFO L87 Difference]: Start difference. First operand 2095 states and 2864 transitions. Second operand has 26 states, 24 states have (on average 6.0) internal successors, (144), 22 states have internal predecessors, (144), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-12-18 05:50:39,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:50:39,567 INFO L93 Difference]: Finished difference Result 4328 states and 6067 transitions. [2021-12-18 05:50:39,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-18 05:50:39,572 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 6.0) internal successors, (144), 22 states have internal predecessors, (144), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 328 [2021-12-18 05:50:39,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:50:39,585 INFO L225 Difference]: With dead ends: 4328 [2021-12-18 05:50:39,586 INFO L226 Difference]: Without dead ends: 2240 [2021-12-18 05:50:39,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 776 GetRequests, 720 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=388, Invalid=2368, Unknown=0, NotChecked=0, Total=2756 [2021-12-18 05:50:39,595 INFO L933 BasicCegarLoop]: 745 mSDtfsCounter, 321 mSDsluCounter, 9302 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 10047 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:50:39,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 10047 Invalid, 2583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-18 05:50:39,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2021-12-18 05:50:39,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 2100. [2021-12-18 05:50:39,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 1512 states have (on average 1.2996031746031746) internal successors, (1965), 1529 states have internal predecessors, (1965), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 05:50:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2869 transitions. [2021-12-18 05:50:39,708 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2869 transitions. Word has length 328 [2021-12-18 05:50:39,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:50:39,710 INFO L470 AbstractCegarLoop]: Abstraction has 2100 states and 2869 transitions. [2021-12-18 05:50:39,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 6.0) internal successors, (144), 22 states have internal predecessors, (144), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-12-18 05:50:39,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2869 transitions. [2021-12-18 05:50:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-12-18 05:50:39,717 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:50:39,718 INFO L514 BasicCegarLoop]: trace histogram [53, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 05:50:39,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-18 05:50:39,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:50:39,931 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:50:39,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:50:39,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1477800032, now seen corresponding path program 6 times [2021-12-18 05:50:39,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:50:39,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718717111] [2021-12-18 05:50:39,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:50:39,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:50:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:50:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:50:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:50:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:50:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 05:50:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 05:50:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 05:50:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:50:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 05:50:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 05:50:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 05:50:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 05:50:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 05:50:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 05:50:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:50:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 05:50:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 05:50:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:50:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 05:50:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:50:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:50:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 20 proven. 460 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2021-12-18 05:50:40,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:50:40,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718717111] [2021-12-18 05:50:40,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718717111] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:50:40,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647217801] [2021-12-18 05:50:40,793 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-18 05:50:40,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:50:40,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:50:40,795 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:50:40,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-18 05:59:46,279 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-12-18 05:59:46,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:59:46,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 2023 conjuncts, 35 conjunts are in the unsatisfiable core [2021-12-18 05:59:46,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:59:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 785 proven. 21 refuted. 0 times theorem prover too weak. 1869 trivial. 0 not checked. [2021-12-18 05:59:47,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:59:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 20 proven. 460 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2021-12-18 05:59:48,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647217801] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:59:48,076 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:59:48,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 28 [2021-12-18 05:59:48,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245656736] [2021-12-18 05:59:48,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:59:48,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-18 05:59:48,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:59:48,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-18 05:59:48,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2021-12-18 05:59:48,082 INFO L87 Difference]: Start difference. First operand 2100 states and 2869 transitions. Second operand has 28 states, 26 states have (on average 5.615384615384615) internal successors, (146), 24 states have internal predecessors, (146), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-12-18 05:59:50,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:59:50,902 INFO L93 Difference]: Finished difference Result 4338 states and 6077 transitions. [2021-12-18 05:59:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-18 05:59:50,908 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 5.615384615384615) internal successors, (146), 24 states have internal predecessors, (146), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 334 [2021-12-18 05:59:50,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:59:50,937 INFO L225 Difference]: With dead ends: 4338 [2021-12-18 05:59:50,938 INFO L226 Difference]: Without dead ends: 2245 [2021-12-18 05:59:50,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 791 GetRequests, 731 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=431, Invalid=2761, Unknown=0, NotChecked=0, Total=3192 [2021-12-18 05:59:50,949 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 319 mSDsluCounter, 9338 mSDsCounter, 0 mSdLazyCounter, 2176 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 10087 SdHoareTripleChecker+Invalid, 2666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 2176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:59:50,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 10087 Invalid, 2666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 2176 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-18 05:59:50,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2245 states. [2021-12-18 05:59:51,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2245 to 2105. [2021-12-18 05:59:51,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2105 states, 1517 states have (on average 1.2986156888595912) internal successors, (1970), 1534 states have internal predecessors, (1970), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 05:59:51,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2874 transitions. [2021-12-18 05:59:51,060 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2874 transitions. Word has length 334 [2021-12-18 05:59:51,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:59:51,061 INFO L470 AbstractCegarLoop]: Abstraction has 2105 states and 2874 transitions. [2021-12-18 05:59:51,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 5.615384615384615) internal successors, (146), 24 states have internal predecessors, (146), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-12-18 05:59:51,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2874 transitions. [2021-12-18 05:59:51,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-12-18 05:59:51,068 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:59:51,068 INFO L514 BasicCegarLoop]: trace histogram [59, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 05:59:51,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-18 05:59:51,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-18 05:59:51,288 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:59:51,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:59:51,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1960673488, now seen corresponding path program 7 times [2021-12-18 05:59:51,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:59:51,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102344018] [2021-12-18 05:59:51,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:59:51,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:59:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:59:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:59:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:59:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:59:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:59:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:59:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:59:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 05:59:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:59:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 05:59:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:59:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 05:59:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 05:59:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 05:59:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:59:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 05:59:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 05:59:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 05:59:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:59:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 05:59:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:59:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 05:59:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:59:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 05:59:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:59:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 22 proven. 562 refuted. 0 times theorem prover too weak. 2490 trivial. 0 not checked. [2021-12-18 05:59:52,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:59:52,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102344018] [2021-12-18 05:59:52,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102344018] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:59:52,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719045675] [2021-12-18 05:59:52,173 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-18 05:59:52,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:59:52,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:59:52,175 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:59:52,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-18 05:59:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:59:58,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 3017 conjuncts, 41 conjunts are in the unsatisfiable core [2021-12-18 05:59:58,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:59:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 891 proven. 28 refuted. 0 times theorem prover too weak. 2155 trivial. 0 not checked. [2021-12-18 05:59:59,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 06:00:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 22 proven. 562 refuted. 0 times theorem prover too weak. 2490 trivial. 0 not checked. [2021-12-18 06:00:00,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719045675] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 06:00:00,610 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 06:00:00,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 31 [2021-12-18 06:00:00,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655300338] [2021-12-18 06:00:00,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 06:00:00,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-18 06:00:00,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:00:00,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-18 06:00:00,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-12-18 06:00:00,612 INFO L87 Difference]: Start difference. First operand 2105 states and 2874 transitions. Second operand has 31 states, 29 states have (on average 5.137931034482759) internal successors, (149), 27 states have internal predecessors, (149), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-18 06:00:04,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:00:04,772 INFO L93 Difference]: Finished difference Result 4348 states and 6087 transitions. [2021-12-18 06:00:04,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-18 06:00:04,773 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 5.137931034482759) internal successors, (149), 27 states have internal predecessors, (149), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 340 [2021-12-18 06:00:04,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:00:04,785 INFO L225 Difference]: With dead ends: 4348 [2021-12-18 06:00:04,785 INFO L226 Difference]: Without dead ends: 2250 [2021-12-18 06:00:04,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 805 GetRequests, 740 SyntacticMatches, 6 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=350, Invalid=3310, Unknown=0, NotChecked=0, Total=3660 [2021-12-18 06:00:04,796 INFO L933 BasicCegarLoop]: 755 mSDtfsCounter, 385 mSDsluCounter, 13777 mSDsCounter, 0 mSdLazyCounter, 2943 mSolverCounterSat, 604 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 14532 SdHoareTripleChecker+Invalid, 3547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 604 IncrementalHoareTripleChecker+Valid, 2943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 06:00:04,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 14532 Invalid, 3547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [604 Valid, 2943 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 06:00:04,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2021-12-18 06:00:04,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 2110. [2021-12-18 06:00:04,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 1522 states have (on average 1.297634691195795) internal successors, (1975), 1539 states have internal predecessors, (1975), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 06:00:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2879 transitions. [2021-12-18 06:00:04,952 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2879 transitions. Word has length 340 [2021-12-18 06:00:04,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:00:04,953 INFO L470 AbstractCegarLoop]: Abstraction has 2110 states and 2879 transitions. [2021-12-18 06:00:04,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 5.137931034482759) internal successors, (149), 27 states have internal predecessors, (149), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-18 06:00:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2879 transitions. [2021-12-18 06:00:04,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-12-18 06:00:04,960 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:04,960 INFO L514 BasicCegarLoop]: trace histogram [65, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 06:00:05,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-18 06:00:05,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-18 06:00:05,184 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:05,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:05,184 INFO L85 PathProgramCache]: Analyzing trace with hash 963611872, now seen corresponding path program 8 times [2021-12-18 06:00:05,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:00:05,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368091265] [2021-12-18 06:00:05,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:00:05,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:00:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 06:00:05,805 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 06:00:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 06:00:06,792 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-18 06:00:06,793 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 06:00:06,794 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 06:00:06,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 06:00:06,799 INFO L732 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:00:06,804 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 06:00:06,849 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:06,854 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:06,855 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:06,856 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:06,858 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:06,859 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:06,860 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:06,861 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:06,862 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:06,863 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:06,864 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:00:07,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 06:00:07 BoogieIcfgContainer [2021-12-18 06:00:07,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 06:00:07,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 06:00:07,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 06:00:07,057 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 06:00:07,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:49:46" (3/4) ... [2021-12-18 06:00:07,061 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 06:00:07,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 06:00:07,062 INFO L158 Benchmark]: Toolchain (without parser) took 624709.63ms. Allocated memory was 107.0MB in the beginning and 740.3MB in the end (delta: 633.3MB). Free memory was 70.8MB in the beginning and 410.2MB in the end (delta: -339.4MB). Peak memory consumption was 292.1MB. Max. memory is 16.1GB. [2021-12-18 06:00:07,063 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 66.1MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 06:00:07,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1806.11ms. Allocated memory was 107.0MB in the beginning and 222.3MB in the end (delta: 115.3MB). Free memory was 70.5MB in the beginning and 149.1MB in the end (delta: -78.6MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2021-12-18 06:00:07,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.76ms. Allocated memory is still 222.3MB. Free memory was 149.1MB in the beginning and 138.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 06:00:07,064 INFO L158 Benchmark]: Boogie Preprocessor took 149.65ms. Allocated memory is still 222.3MB. Free memory was 138.6MB in the beginning and 128.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 06:00:07,065 INFO L158 Benchmark]: RCFGBuilder took 1567.31ms. Allocated memory is still 222.3MB. Free memory was 128.1MB in the beginning and 160.2MB in the end (delta: -32.1MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2021-12-18 06:00:07,065 INFO L158 Benchmark]: TraceAbstraction took 621019.87ms. Allocated memory was 222.3MB in the beginning and 740.3MB in the end (delta: 518.0MB). Free memory was 160.2MB in the beginning and 410.2MB in the end (delta: -250.0MB). Peak memory consumption was 451.5MB. Max. memory is 16.1GB. [2021-12-18 06:00:07,065 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 740.3MB. Free memory is still 410.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 06:00:07,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 66.1MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1806.11ms. Allocated memory was 107.0MB in the beginning and 222.3MB in the end (delta: 115.3MB). Free memory was 70.5MB in the beginning and 149.1MB in the end (delta: -78.6MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.76ms. Allocated memory is still 222.3MB. Free memory was 149.1MB in the beginning and 138.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.65ms. Allocated memory is still 222.3MB. Free memory was 138.6MB in the beginning and 128.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1567.31ms. Allocated memory is still 222.3MB. Free memory was 128.1MB in the beginning and 160.2MB in the end (delta: -32.1MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * TraceAbstraction took 621019.87ms. Allocated memory was 222.3MB in the beginning and 740.3MB in the end (delta: 518.0MB). Free memory was 160.2MB in the beginning and 410.2MB in the end (delta: -250.0MB). Peak memory consumption was 451.5MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 740.3MB. Free memory is still 410.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5816]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 4279. Possible FailurePath: [L4367] int LDV_IN_INTERRUPT = 1; [L4368] int ldv_state_variable_2 ; [L4369] struct md_rdev *cluster_ops_group0 ; [L4370] int ref_cnt ; [L4371] struct mddev *cluster_ops_group1 ; [L4372] int ldv_state_variable_1 ; [L4373] int ldv_state_variable_0 ; [L4374] struct dlm_slot *md_ls_ops_group0 ; [L4719] static struct dlm_lockspace_ops const md_ls_ops = {& recover_prep, & recover_slot, & recover_done}; [L5507-L5510] static struct md_cluster_operations cluster_ops = {& join, & leave, & slot_number, & resync_info_update, & resync_start, & resync_finish, & metadata_update_start, & metadata_update_finish, & metadata_update_cancel, & area_resyncing, & add_new_disk_start, & add_new_disk_finish, & new_disk_ack, & remove_disk, & gather_bitmaps}; [L5527] int ldv_retval_0 ; [L5855] int ldv_module_refcounter = 1; VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5553] bool ldvarg7 ; [L5554] sector_t ldvarg3 ; [L5555] sector_t ldvarg0 ; [L5556] sector_t ldvarg5 ; [L5557] sector_t ldvarg6 ; [L5558] sector_t ldvarg1 ; [L5559] int ldvarg4 ; [L5560] sector_t ldvarg2 ; [L5561] void *ldvarg8 ; [L5562] void *tmp ; [L5563] int ldvarg11 ; [L5564] void *ldvarg13 ; [L5565] void *tmp___0 ; [L5566] void *ldvarg10 ; [L5567] void *tmp___1 ; [L5568] uint32_t ldvarg12 ; [L5569] int ldvarg9 ; [L5570] int tmp___2 ; [L5571] int tmp___3 ; [L5572] int tmp___4 ; [L5573] int tmp___5 ; VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5575] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}] [L4333] return (p); VAL [\old(size)=1, \result={-18446744073709551617:0}, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}] [L5575] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5575] tmp = ldv_init_zalloc(1UL) [L5576] ldvarg8 = tmp VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}] [L5577] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={-55340232221128654847:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={-55340232221128654847:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-55340232221128654847:0}, ref_cnt=0, size=1, tmp={-55340232221128654847:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={-55340232221128654847:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-55340232221128654847:0}, ref_cnt=0, size=1, tmp={-55340232221128654847:0}] [L4333] return (p); VAL [\old(size)=1, \result={-55340232221128654847:0}, calloc(1UL, size)={-55340232221128654847:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-55340232221128654847:0}, ref_cnt=0, size=1, tmp={-55340232221128654847:0}] [L5577] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-55340232221128654847:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}] [L5577] tmp___0 = ldv_init_zalloc(1UL) [L5578] ldvarg13 = tmp___0 VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}] [L5579] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={-73786976294838206463:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={-73786976294838206463:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-73786976294838206463:0}, ref_cnt=0, size=1, tmp={-73786976294838206463:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={-73786976294838206463:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-73786976294838206463:0}, ref_cnt=0, size=1, tmp={-73786976294838206463:0}] [L4333] return (p); VAL [\old(size)=1, \result={-73786976294838206463:0}, calloc(1UL, size)={-73786976294838206463:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-73786976294838206463:0}, ref_cnt=0, size=1, tmp={-73786976294838206463:0}] [L5579] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-73786976294838206463:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}] [L5579] tmp___1 = ldv_init_zalloc(1UL) [L5580] ldvarg10 = tmp___1 [L5581] FCALL ldv_initialize() [L5582] CALL ldv_memset((void *)(& ldvarg7), 0, 1UL) VAL [\old(c)=0, \old(n)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={86:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=1, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=1, ref_cnt=0, s={86:0}, s={86:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=1, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={86:0}, n=1, ref_cnt=0, s={86:0}, s={86:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=1, \result={86:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=1, ref_cnt=0, s={86:0}, s={86:0}, tmp={86:0}] [L5582] RET ldv_memset((void *)(& ldvarg7), 0, 1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg7), 0, 1UL)={86:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5583] CALL ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={85:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={85:0}, s={85:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={85:0}, n=8, ref_cnt=0, s={85:0}, s={85:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={85:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={85:0}, s={85:0}, tmp={85:0}] [L5583] RET ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 8UL)={85:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5584] CALL ldv_memset((void *)(& ldvarg0), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={84:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={84:0}, s={84:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={84:0}, n=8, ref_cnt=0, s={84:0}, s={84:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={84:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={84:0}, s={84:0}, tmp={84:0}] [L5584] RET ldv_memset((void *)(& ldvarg0), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 8UL)={84:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5585] CALL ldv_memset((void *)(& ldvarg5), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={83:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={83:0}, s={83:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={83:0}, n=8, ref_cnt=0, s={83:0}, s={83:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={83:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={83:0}, s={83:0}, tmp={83:0}] [L5585] RET ldv_memset((void *)(& ldvarg5), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg5), 0, 8UL)={83:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5586] CALL ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={82:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={82:0}, s={82:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={82:0}, n=8, ref_cnt=0, s={82:0}, s={82:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={82:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={82:0}, s={82:0}, tmp={82:0}] [L5586] RET ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg6), 0, 8UL)={82:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5587] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={91:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={91:0}, s={91:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={91:0}, n=8, ref_cnt=0, s={91:0}, s={91:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={91:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={91:0}, s={91:0}, tmp={91:0}] [L5587] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={91:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5588] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={89:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={89:0}, s={89:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={89:0}, n=4, ref_cnt=0, s={89:0}, s={89:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={89:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={89:0}, s={89:0}, tmp={89:0}] [L5588] RET ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg4), 0, 4UL)={89:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5589] CALL ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={90:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={90:0}, s={90:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={90:0}, n=8, ref_cnt=0, s={90:0}, s={90:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={90:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={90:0}, s={90:0}, tmp={90:0}] [L5589] RET ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg2), 0, 8UL)={90:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5590] CALL ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={81:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={81:0}, s={81:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={81:0}, n=4, ref_cnt=0, s={81:0}, s={81:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={81:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={81:0}, s={81:0}, tmp={81:0}] [L5590] RET ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg11), 0, 4UL)={81:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5591] CALL ldv_memset((void *)(& ldvarg12), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={79:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={79:0}, s={79:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={79:0}, n=4, ref_cnt=0, s={79:0}, s={79:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={79:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={79:0}, s={79:0}, tmp={79:0}] [L5591] RET ldv_memset((void *)(& ldvarg12), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg12), 0, 4UL)={79:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5592] CALL ldv_memset((void *)(& ldvarg9), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={87:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={87:0}, s={87:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={87:0}, n=4, ref_cnt=0, s={87:0}, s={87:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={87:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={87:0}, s={87:0}, tmp={87:0}] [L5592] RET ldv_memset((void *)(& ldvarg9), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg9), 0, 4UL)={87:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5593] ldv_state_variable_1 = 0 [L5594] ref_cnt = 0 [L5595] ldv_state_variable_0 = 1 [L5596] ldv_state_variable_2 = 0 VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: [L5716] case 1: VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}, tmp___2=1] [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___4 = __VERIFIER_nondet_int() [L5720] case 0: [L5728] case 1: VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}, tmp___2=1, tmp___4=1] [L5729] COND TRUE ldv_state_variable_0 == 1 [L5730] CALL, EXPR cluster_init() [L5516] CALL register_md_cluster_operations(& cluster_ops, & __this_module) [L6002] return __VERIFIER_nondet_int(); [L5516] RET register_md_cluster_operations(& cluster_ops, & __this_module) [L5517] return (0); VAL [\result=0, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5730] RET, EXPR cluster_init() [L5730] ldv_retval_0 = cluster_init() [L5731] COND TRUE ldv_retval_0 == 0 [L5732] ldv_state_variable_0 = 3 [L5733] ldv_state_variable_2 = 1 [L5734] CALL ldv_initialize_dlm_lockspace_ops_2() [L5532] void *tmp ; VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5534] CALL, EXPR ldv_init_zalloc(8UL) VAL [\old(size)=8, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=8, __this_module={95:-94}, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=8] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=8, __this_module={95:-94}, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-36893488147419103233:0}, ref_cnt=0, size=8, tmp={-36893488147419103233:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __this_module={95:-94}, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-36893488147419103233:0}, ref_cnt=0, size=8, tmp={-36893488147419103233:0}] [L4333] return (p); VAL [\old(size)=8, \result={-36893488147419103233:0}, __this_module={95:-94}, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-36893488147419103233:0}, ref_cnt=0, size=8, tmp={-36893488147419103233:0}] [L5534] RET, EXPR ldv_init_zalloc(8UL) VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(8UL)={-36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5534] tmp = ldv_init_zalloc(8UL) [L5535] md_ls_ops_group0 = (struct dlm_slot *)tmp VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-36893488147419103233:0}] [L5734] RET ldv_initialize_dlm_lockspace_ops_2() [L5735] ldv_state_variable_1 = 1 [L5736] CALL ldv_initialize_md_cluster_operations_1() [L5541] void *tmp ; [L5542] void *tmp___0 ; VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L5544] CALL, EXPR ldv_init_zalloc(832UL) VAL [\old(size)=832, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=832, __this_module={95:-94}, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, size=832] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=832, __this_module={95:-94}, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, p={-55340232221128654849:0}, ref_cnt=0, size=832, tmp={-55340232221128654849:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=832, __this_module={95:-94}, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, p={-55340232221128654849:0}, ref_cnt=0, size=832, tmp={-55340232221128654849:0}] [L4333] return (p); VAL [\old(size)=832, \result={-55340232221128654849:0}, __this_module={95:-94}, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, p={-55340232221128654849:0}, ref_cnt=0, size=832, tmp={-55340232221128654849:0}] [L5544] RET, EXPR ldv_init_zalloc(832UL) VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(832UL)={-55340232221128654849:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L5544] tmp = ldv_init_zalloc(832UL) [L5545] cluster_ops_group0 = (struct md_rdev *)tmp VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-55340232221128654849:0}] [L5546] CALL, EXPR ldv_init_zalloc(2096UL) VAL [\old(size)=2096, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2096, __this_module={95:-94}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, size=2096] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=2096, __this_module={95:-94}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, p={-73786976294838206465:0}, ref_cnt=0, size=2096, tmp={-73786976294838206465:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2096, __this_module={95:-94}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, p={-73786976294838206465:0}, ref_cnt=0, size=2096, tmp={-73786976294838206465:0}] [L4333] return (p); VAL [\old(size)=2096, \result={-73786976294838206465:0}, __this_module={95:-94}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, p={-73786976294838206465:0}, ref_cnt=0, size=2096, tmp={-73786976294838206465:0}] [L5546] RET, EXPR ldv_init_zalloc(2096UL) VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2096UL)={-73786976294838206465:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-55340232221128654849:0}] [L5546] tmp___0 = ldv_init_zalloc(2096UL) [L5547] cluster_ops_group1 = (struct mddev *)tmp___0 VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-55340232221128654849:0}, tmp___0={-73786976294838206465:0}] [L5736] RET ldv_initialize_md_cluster_operations_1() [L5739] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}, tmp___2=1, tmp___4=1] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}, tmp___2=0, tmp___4=1] [L5601] COND TRUE ldv_state_variable_1 != 0 [L5602] tmp___3 = __VERIFIER_nondet_int() [L5604] case 0: [L5611] case 1: [L5618] case 2: [L5625] case 3: [L5632] case 4: [L5639] case 5: [L5646] case 6: [L5653] case 7: [L5660] case 8: [L5667] case 9: VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}, tmp___2=0, tmp___3=9, tmp___4=1] [L5668] COND TRUE ldv_state_variable_1 == 1 [L5669] EXPR \read(ldvarg4) [L5669] CALL join(cluster_ops_group1, ldvarg4) [L5089] struct md_cluster_info *cinfo ; [L5090] int ret ; [L5091] int ops_rv ; [L5092] char str[64U] ; [L5093] bool tmp ; [L5094] int tmp___0 ; [L5095] void *tmp___1 ; [L5096] struct lock_class_key __key ; [L5097] int tmp___2 ; [L5098] int tmp___3 ; [L5099] int tmp___4 ; [L5100] struct lock_class_key __key___0 ; [L5102] CALL, EXPR ldv_try_module_get_5(& __this_module) [L5798] int tmp ; [L5800] CALL, EXPR ldv_try_module_get(ldv_func_arg1) [L5868] int module_get_succeeded ; VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, module={95:-94}, module={95:-94}, ref_cnt=0] [L5870] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L5871] CALL, EXPR ldv_undef_int() [L4346] int tmp ; [L4348] tmp = __VERIFIER_nondet_int() [L4349] return (tmp); VAL [\result=1, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp=1] [L5871] RET, EXPR ldv_undef_int() [L5871] module_get_succeeded = ldv_undef_int() [L5872] COND TRUE module_get_succeeded == 1 [L5873] ldv_module_refcounter = ldv_module_refcounter + 1 [L5874] return (1); VAL [\result=1, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, module={95:-94}, module={95:-94}, module_get_succeeded=1, ref_cnt=0] [L5800] RET, EXPR ldv_try_module_get(ldv_func_arg1) [L5800] tmp = ldv_try_module_get(ldv_func_arg1) [L5801] return (tmp != 0); VAL [\result=1, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, ldv_func_arg1={95:-94}, ldv_func_arg1={95:-94}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp=1] [L5102] RET, EXPR ldv_try_module_get_5(& __this_module) [L5102] tmp = ldv_try_module_get_5(& __this_module) [L5103] COND TRUE \read(tmp) [L5104] tmp___0 = 0 VAL [\old(nodes)=0, __key={92:0}, __key___0={78:0}, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, mddev={-73786976294838206465:0}, mddev={-73786976294838206465:0}, nodes=0, ops_rv={93:0}, ref_cnt=0, str={94:0}, tmp=1, tmp___0=0] [L5108] COND FALSE !(\read(tmp___0)) VAL [\old(nodes)=0, __key={92:0}, __key___0={78:0}, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, mddev={-73786976294838206465:0}, mddev={-73786976294838206465:0}, nodes=0, ops_rv={93:0}, ref_cnt=0, str={94:0}, tmp=1, tmp___0=0] [L5112] CALL, EXPR kzalloc(536UL, 208U) VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L4277] void *tmp ; [L4279] CALL, EXPR kmalloc(size, flags | 32768U) [L4268] void *tmp___2 ; [L4270] CALL, EXPR __kmalloc(size, flags) [L4263] CALL, EXPR ldv_malloc(size) VAL [\old(size)=536, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L4293] void *p ; [L4294] void *tmp ; [L4295] int tmp___0 ; [L4297] tmp___0 = __VERIFIER_nondet_int() [L4298] COND TRUE tmp___0 != 0 [L4299] return ((void *)0); VAL [\old(size)=536, \result={0:0}, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, size=536, tmp___0=-2] [L4263] RET, EXPR ldv_malloc(size) VAL [\old(size)=536, \old(t)=2097, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_malloc(size)={0:0}, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, size=536, t=2097] [L4263] return ldv_malloc(size); [L4270] RET, EXPR __kmalloc(size, flags) [L4270] tmp___2 = __kmalloc(size, flags) [L4271] return (tmp___2); VAL [\old(flags)=2097, \old(size)=536, \result={0:0}, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, flags=2097, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, size=536, tmp___2={0:0}] [L4279] RET, EXPR kmalloc(size, flags | 32768U) [L4279] tmp = kmalloc(size, flags | 32768U) [L4280] return (tmp); VAL [\old(flags)=208, \old(size)=536, \result={0:0}, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, size=536, tmp={0:0}] [L5112] RET, EXPR kzalloc(536UL, 208U) VAL [\old(nodes)=0, __key={92:0}, __key___0={78:0}, __this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, kzalloc(536UL, 208U)={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, mddev={-73786976294838206465:0}, mddev={-73786976294838206465:0}, nodes=0, ops_rv={93:0}, ref_cnt=0, str={94:0}, tmp=1, tmp___0=0] [L5112] tmp___1 = kzalloc(536UL, 208U) [L5113] cinfo = (struct md_cluster_info *)tmp___1 VAL [\old(nodes)=0, __key={92:0}, __key___0={78:0}, __this_module={95:-94}, cinfo={0:0}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, mddev={-73786976294838206465:0}, mddev={-73786976294838206465:0}, nodes=0, ops_rv={93:0}, ref_cnt=0, str={94:0}, tmp=1, tmp___0=0, tmp___1={0:0}] [L5114] COND TRUE (unsigned long )cinfo == (unsigned long )((struct md_cluster_info *)0) [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); VAL [\old(nodes)=0, \result=-12, __this_module={95:-94}, cinfo={0:0}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, mddev={-73786976294838206465:0}, mddev={-73786976294838206465:0}, nodes=0, ref_cnt=0, tmp=1, tmp___0=0, tmp___1={0:0}] [L5669] RET join(cluster_ops_group1, ldvarg4) [L5670] ldv_state_variable_1 = 1 VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}, tmp___2=0, tmp___3=9, tmp___4=1] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: [L5716] case 1: VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}, tmp___2=1, tmp___3=9, tmp___4=1] [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___4 = __VERIFIER_nondet_int() [L5720] case 0: VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}, tmp___2=1, tmp___3=9, tmp___4=0] [L5721] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5722] CALL cluster_exit() [L5523] CALL unregister_md_cluster_operations() [L6010] return __VERIFIER_nondet_int(); [L5523] RET unregister_md_cluster_operations() [L5722] RET cluster_exit() [L5723] ldv_state_variable_0 = 2 VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={84:0}, ldvarg1={91:0}, ldvarg10={-73786976294838206463:0}, ldvarg11={81:0}, ldvarg12={79:0}, ldvarg13={-55340232221128654847:0}, ldvarg2={90:0}, ldvarg3={85:0}, ldvarg4={89:0}, ldvarg5={83:0}, ldvarg6={82:0}, ldvarg7={86:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={87:0}, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-55340232221128654847:0}, tmp___1={-73786976294838206463:0}, tmp___2=1, tmp___3=9, tmp___4=0] [L5792] CALL ldv_check_final_state() [L5914] COND TRUE ldv_module_refcounter != 1 VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L5915] CALL ldv_error() VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] [L5816] reach_error() VAL [__this_module={95:-94}, cluster_ops={77:0}, cluster_ops_group0={-55340232221128654849:0}, cluster_ops_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-36893488147419103233:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 565 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 620.7s, OverallIterations: 15, TraceHistogramMax: 65, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.1s, AutomataDifference: 24.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7497 SdHoareTripleChecker+Valid, 17.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7163 mSDsluCounter, 89868 SdHoareTripleChecker+Invalid, 14.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77994 mSDsCounter, 6031 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16910 IncrementalHoareTripleChecker+Invalid, 22941 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6031 mSolverCounterUnsat, 11874 mSDtfsCounter, 16910 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6370 GetRequests, 5966 SyntacticMatches, 39 SemanticMatches, 365 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3062 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2110occurred in iteration=14, InterpolantAutomatonStates: 223, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 2639 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 568.4s SatisfiabilityAnalysisTime, 18.5s InterpolantComputationTime, 6969 NumberOfCodeBlocks, 6448 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 8823 ConstructedInterpolants, 0 QuantifiedInterpolants, 15973 SizeOfPredicates, 26 NumberOfNonLiveVariables, 18840 ConjunctsInSsa, 203 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 42661/46724 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 06:00:07,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 06:00:09,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 06:00:09,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 06:00:09,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 06:00:09,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 06:00:09,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 06:00:09,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 06:00:09,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 06:00:09,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 06:00:09,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 06:00:09,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 06:00:09,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 06:00:09,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 06:00:09,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 06:00:09,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 06:00:09,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 06:00:09,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 06:00:09,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 06:00:09,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 06:00:09,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 06:00:09,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 06:00:09,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 06:00:09,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 06:00:09,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 06:00:09,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 06:00:09,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 06:00:09,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 06:00:09,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 06:00:09,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 06:00:09,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 06:00:09,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 06:00:09,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 06:00:09,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 06:00:09,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 06:00:09,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 06:00:09,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 06:00:09,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 06:00:09,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 06:00:09,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 06:00:09,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 06:00:09,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 06:00:09,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 06:00:09,684 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 06:00:09,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 06:00:09,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 06:00:09,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 06:00:09,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 06:00:09,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 06:00:09,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 06:00:09,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 06:00:09,687 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 06:00:09,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 06:00:09,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 06:00:09,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 06:00:09,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 06:00:09,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 06:00:09,688 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 06:00:09,688 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 06:00:09,688 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 06:00:09,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 06:00:09,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 06:00:09,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 06:00:09,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 06:00:09,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 06:00:09,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 06:00:09,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:00:09,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 06:00:09,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 06:00:09,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 06:00:09,704 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 06:00:09,704 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 06:00:09,704 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 06:00:09,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 06:00:09,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 06:00:09,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 06:00:09,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 06:00:09,705 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2021-12-18 06:00:10,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 06:00:10,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 06:00:10,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 06:00:10,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 06:00:10,129 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 06:00:10,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-12-18 06:00:10,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdfd08ea/fac6cae000e44625abe8c0f851bd7e4d/FLAGc192a2345 [2021-12-18 06:00:11,004 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 06:00:11,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-12-18 06:00:11,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdfd08ea/fac6cae000e44625abe8c0f851bd7e4d/FLAGc192a2345 [2021-12-18 06:00:11,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdfd08ea/fac6cae000e44625abe8c0f851bd7e4d [2021-12-18 06:00:11,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 06:00:11,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 06:00:11,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 06:00:11,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 06:00:11,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 06:00:11,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:00:11" (1/1) ... [2021-12-18 06:00:11,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35408deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:11, skipping insertion in model container [2021-12-18 06:00:11,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:00:11" (1/1) ... [2021-12-18 06:00:11,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 06:00:11,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 06:00:12,437 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-12-18 06:00:12,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:00:12,517 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 06:00:12,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 06:00:12,753 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-12-18 06:00:12,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:00:12,800 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 06:00:13,162 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-12-18 06:00:13,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:00:13,267 INFO L208 MainTranslator]: Completed translation [2021-12-18 06:00:13,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13 WrapperNode [2021-12-18 06:00:13,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 06:00:13,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 06:00:13,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 06:00:13,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 06:00:13,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (1/1) ... [2021-12-18 06:00:13,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (1/1) ... [2021-12-18 06:00:13,436 INFO L137 Inliner]: procedures = 159, calls = 761, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1637 [2021-12-18 06:00:13,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 06:00:13,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 06:00:13,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 06:00:13,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 06:00:13,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (1/1) ... [2021-12-18 06:00:13,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (1/1) ... [2021-12-18 06:00:13,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (1/1) ... [2021-12-18 06:00:13,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (1/1) ... [2021-12-18 06:00:13,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (1/1) ... [2021-12-18 06:00:13,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (1/1) ... [2021-12-18 06:00:13,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (1/1) ... [2021-12-18 06:00:13,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 06:00:13,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 06:00:13,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 06:00:13,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 06:00:13,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (1/1) ... [2021-12-18 06:00:13,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:00:13,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 06:00:13,629 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 06:00:13,655 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 06:00:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2021-12-18 06:00:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2021-12-18 06:00:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-18 06:00:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2021-12-18 06:00:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2021-12-18 06:00:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-18 06:00:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-18 06:00:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 06:00:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 06:00:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 06:00:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 06:00:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 06:00:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 06:00:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2021-12-18 06:00:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2021-12-18 06:00:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2021-12-18 06:00:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2021-12-18 06:00:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 06:00:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 06:00:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 06:00:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 06:00:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 06:00:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 06:00:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-18 06:00:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-18 06:00:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 06:00:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 06:00:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-18 06:00:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-18 06:00:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 06:00:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 06:00:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-18 06:00:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-18 06:00:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-18 06:00:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 06:00:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 06:00:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2021-12-18 06:00:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2021-12-18 06:00:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 06:00:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 06:00:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2021-12-18 06:00:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2021-12-18 06:00:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 06:00:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 06:00:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 06:00:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 06:00:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 06:00:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 06:00:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 06:00:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-18 06:00:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-18 06:00:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2021-12-18 06:00:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2021-12-18 06:00:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 06:00:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2021-12-18 06:00:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2021-12-18 06:00:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-18 06:00:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-18 06:00:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 06:00:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 06:00:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-18 06:00:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2021-12-18 06:00:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2021-12-18 06:00:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-18 06:00:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 06:00:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 06:00:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2021-12-18 06:00:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2021-12-18 06:00:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 06:00:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2021-12-18 06:00:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2021-12-18 06:00:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 06:00:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 06:00:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-18 06:00:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 06:00:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-18 06:00:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 06:00:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2021-12-18 06:00:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2021-12-18 06:00:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-18 06:00:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 06:00:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 06:00:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2021-12-18 06:00:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2021-12-18 06:00:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 06:00:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 06:00:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-18 06:00:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2021-12-18 06:00:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2021-12-18 06:00:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 06:00:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 06:00:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2021-12-18 06:00:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2021-12-18 06:00:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2021-12-18 06:00:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2021-12-18 06:00:14,158 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 06:00:14,161 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 06:00:16,466 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 06:00:27,887 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 06:00:27,899 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 06:00:27,899 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 06:00:27,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:00:27 BoogieIcfgContainer [2021-12-18 06:00:27,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 06:00:27,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 06:00:27,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 06:00:27,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 06:00:27,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:00:11" (1/3) ... [2021-12-18 06:00:27,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4e07fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:00:27, skipping insertion in model container [2021-12-18 06:00:27,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:13" (2/3) ... [2021-12-18 06:00:27,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4e07fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:00:27, skipping insertion in model container [2021-12-18 06:00:27,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:00:27" (3/3) ... [2021-12-18 06:00:27,910 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-12-18 06:00:27,917 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 06:00:27,917 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 06:00:27,969 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 06:00:27,974 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 06:00:27,975 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 06:00:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 564 states, 395 states have (on average 1.3113924050632912) internal successors, (518), 406 states have internal predecessors, (518), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2021-12-18 06:00:28,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-18 06:00:28,015 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:28,016 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:28,016 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:28,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:28,021 INFO L85 PathProgramCache]: Analyzing trace with hash 108953653, now seen corresponding path program 1 times [2021-12-18 06:00:28,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:00:28,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602435804] [2021-12-18 06:00:28,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:00:28,035 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:00:28,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:00:28,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:00:28,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 06:00:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:00:28,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-18 06:00:28,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:00:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2021-12-18 06:00:29,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 06:00:29,173 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:00:29,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602435804] [2021-12-18 06:00:29,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602435804] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:00:29,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:00:29,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 06:00:29,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524286771] [2021-12-18 06:00:29,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:00:29,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-18 06:00:29,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:00:29,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-18 06:00:29,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-18 06:00:29,215 INFO L87 Difference]: Start difference. First operand has 564 states, 395 states have (on average 1.3113924050632912) internal successors, (518), 406 states have internal predecessors, (518), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 06:00:29,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:00:29,353 INFO L93 Difference]: Finished difference Result 1123 states and 1576 transitions. [2021-12-18 06:00:29,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-18 06:00:29,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 184 [2021-12-18 06:00:29,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:00:29,370 INFO L225 Difference]: With dead ends: 1123 [2021-12-18 06:00:29,370 INFO L226 Difference]: Without dead ends: 553 [2021-12-18 06:00:29,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-18 06:00:29,384 INFO L933 BasicCegarLoop]: 773 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:00:29,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 06:00:29,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2021-12-18 06:00:29,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 553. [2021-12-18 06:00:29,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 390 states have (on average 1.2974358974358975) internal successors, (506), 395 states have internal predecessors, (506), 128 states have call successors, (128), 35 states have call predecessors, (128), 34 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2021-12-18 06:00:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 760 transitions. [2021-12-18 06:00:29,465 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 760 transitions. Word has length 184 [2021-12-18 06:00:29,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:00:29,466 INFO L470 AbstractCegarLoop]: Abstraction has 553 states and 760 transitions. [2021-12-18 06:00:29,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 06:00:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 760 transitions. [2021-12-18 06:00:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-18 06:00:29,470 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:29,470 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:29,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-18 06:00:29,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:00:29,682 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:29,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:29,683 INFO L85 PathProgramCache]: Analyzing trace with hash 825195323, now seen corresponding path program 1 times [2021-12-18 06:00:29,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:00:29,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539802953] [2021-12-18 06:00:29,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:00:29,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:00:29,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:00:29,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:00:29,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 06:00:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:00:30,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 06:00:30,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:00:30,763 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2021-12-18 06:00:30,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 06:00:30,764 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:00:30,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539802953] [2021-12-18 06:00:30,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539802953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:00:30,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:00:30,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:00:30,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992801302] [2021-12-18 06:00:30,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:00:30,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:00:30,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:00:30,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:00:30,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:00:30,767 INFO L87 Difference]: Start difference. First operand 553 states and 760 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 06:00:31,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:00:31,167 INFO L93 Difference]: Finished difference Result 1102 states and 1528 transitions. [2021-12-18 06:00:31,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 06:00:31,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 184 [2021-12-18 06:00:31,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:00:31,173 INFO L225 Difference]: With dead ends: 1102 [2021-12-18 06:00:31,173 INFO L226 Difference]: Without dead ends: 554 [2021-12-18 06:00:31,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:00:31,177 INFO L933 BasicCegarLoop]: 746 mSDtfsCounter, 6 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3697 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 06:00:31,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 3697 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 06:00:31,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2021-12-18 06:00:31,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2021-12-18 06:00:31,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 391 states have (on average 1.2966751918158568) internal successors, (507), 396 states have internal predecessors, (507), 128 states have call successors, (128), 35 states have call predecessors, (128), 34 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2021-12-18 06:00:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 761 transitions. [2021-12-18 06:00:31,253 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 761 transitions. Word has length 184 [2021-12-18 06:00:31,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:00:31,256 INFO L470 AbstractCegarLoop]: Abstraction has 554 states and 761 transitions. [2021-12-18 06:00:31,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 06:00:31,256 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 761 transitions. [2021-12-18 06:00:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-18 06:00:31,261 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:31,262 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:31,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-18 06:00:31,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:00:31,463 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:31,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:31,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1400350510, now seen corresponding path program 1 times [2021-12-18 06:00:31,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:00:31,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066538699] [2021-12-18 06:00:31,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:00:31,466 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:00:31,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:00:31,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:00:31,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-18 06:00:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:00:32,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 06:00:32,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:00:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 226 proven. 1 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2021-12-18 06:00:32,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 06:00:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-12-18 06:00:33,659 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:00:33,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066538699] [2021-12-18 06:00:33,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066538699] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 06:00:33,660 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 06:00:33,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-12-18 06:00:33,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660775756] [2021-12-18 06:00:33,661 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 06:00:33,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 06:00:33,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:00:33,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 06:00:33,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:00:33,665 INFO L87 Difference]: Start difference. First operand 554 states and 761 transitions. Second operand has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-18 06:00:34,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:00:34,616 INFO L93 Difference]: Finished difference Result 1114 states and 1544 transitions. [2021-12-18 06:00:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 06:00:34,617 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 195 [2021-12-18 06:00:34,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:00:34,622 INFO L225 Difference]: With dead ends: 1114 [2021-12-18 06:00:34,622 INFO L226 Difference]: Without dead ends: 570 [2021-12-18 06:00:34,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-12-18 06:00:34,626 INFO L933 BasicCegarLoop]: 746 mSDtfsCounter, 15 mSDsluCounter, 4423 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 5169 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 06:00:34,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 5169 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-18 06:00:34,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-12-18 06:00:34,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2021-12-18 06:00:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 402 states have (on average 1.291044776119403) internal successors, (519), 407 states have internal predecessors, (519), 130 states have call successors, (130), 38 states have call predecessors, (130), 37 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2021-12-18 06:00:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 777 transitions. [2021-12-18 06:00:34,655 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 777 transitions. Word has length 195 [2021-12-18 06:00:34,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:00:34,655 INFO L470 AbstractCegarLoop]: Abstraction has 570 states and 777 transitions. [2021-12-18 06:00:34,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-18 06:00:34,656 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 777 transitions. [2021-12-18 06:00:34,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-12-18 06:00:34,658 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:34,659 INFO L514 BasicCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:34,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-18 06:00:34,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:00:34,884 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:34,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:34,884 INFO L85 PathProgramCache]: Analyzing trace with hash 145975568, now seen corresponding path program 2 times [2021-12-18 06:00:34,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:00:34,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442354631] [2021-12-18 06:00:34,886 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 06:00:34,886 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:00:34,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:00:34,887 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:00:34,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-18 06:00:35,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 06:00:35,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 06:00:35,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 06:00:35,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:00:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2021-12-18 06:00:35,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 06:00:35,645 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:00:35,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442354631] [2021-12-18 06:00:35,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442354631] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:00:35,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:00:35,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 06:00:35,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937251029] [2021-12-18 06:00:35,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:00:35,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 06:00:35,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:00:35,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 06:00:35,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 06:00:35,647 INFO L87 Difference]: Start difference. First operand 570 states and 777 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-18 06:00:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:00:35,778 INFO L93 Difference]: Finished difference Result 1586 states and 2175 transitions. [2021-12-18 06:00:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 06:00:35,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 205 [2021-12-18 06:00:35,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:00:35,792 INFO L225 Difference]: With dead ends: 1586 [2021-12-18 06:00:35,792 INFO L226 Difference]: Without dead ends: 1063 [2021-12-18 06:00:35,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 06:00:35,798 INFO L933 BasicCegarLoop]: 871 mSDtfsCounter, 674 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 06:00:35,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [674 Valid, 1617 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 06:00:35,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2021-12-18 06:00:35,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1060. [2021-12-18 06:00:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 755 states have (on average 1.3033112582781456) internal successors, (984), 764 states have internal predecessors, (984), 236 states have call successors, (236), 69 states have call predecessors, (236), 68 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-18 06:00:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1454 transitions. [2021-12-18 06:00:35,881 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1454 transitions. Word has length 205 [2021-12-18 06:00:35,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:00:35,882 INFO L470 AbstractCegarLoop]: Abstraction has 1060 states and 1454 transitions. [2021-12-18 06:00:35,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-18 06:00:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1454 transitions. [2021-12-18 06:00:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-18 06:00:35,885 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:35,886 INFO L514 BasicCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:35,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-18 06:00:36,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:00:36,101 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:36,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:36,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1185207572, now seen corresponding path program 1 times [2021-12-18 06:00:36,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:00:36,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073165498] [2021-12-18 06:00:36,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:00:36,103 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:00:36,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:00:36,104 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:00:36,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-18 06:00:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:00:36,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 06:00:36,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:00:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 291 proven. 3 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-12-18 06:00:37,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 06:00:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2021-12-18 06:00:38,494 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:00:38,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073165498] [2021-12-18 06:00:38,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073165498] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 06:00:38,494 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 06:00:38,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-12-18 06:00:38,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357447069] [2021-12-18 06:00:38,494 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 06:00:38,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 06:00:38,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:00:38,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 06:00:38,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-18 06:00:38,496 INFO L87 Difference]: Start difference. First operand 1060 states and 1454 transitions. Second operand has 13 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-18 06:00:39,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:00:39,547 INFO L93 Difference]: Finished difference Result 2112 states and 2915 transitions. [2021-12-18 06:00:39,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 06:00:39,556 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 208 [2021-12-18 06:00:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:00:39,563 INFO L225 Difference]: With dead ends: 2112 [2021-12-18 06:00:39,563 INFO L226 Difference]: Without dead ends: 1062 [2021-12-18 06:00:39,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2021-12-18 06:00:39,569 INFO L933 BasicCegarLoop]: 746 mSDtfsCounter, 23 mSDsluCounter, 5176 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 5922 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:00:39,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 5922 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-18 06:00:39,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2021-12-18 06:00:39,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1062. [2021-12-18 06:00:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 757 states have (on average 1.3025099075297226) internal successors, (986), 766 states have internal predecessors, (986), 236 states have call successors, (236), 69 states have call predecessors, (236), 68 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-18 06:00:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1456 transitions. [2021-12-18 06:00:39,616 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1456 transitions. Word has length 208 [2021-12-18 06:00:39,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:00:39,617 INFO L470 AbstractCegarLoop]: Abstraction has 1062 states and 1456 transitions. [2021-12-18 06:00:39,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-18 06:00:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1456 transitions. [2021-12-18 06:00:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-18 06:00:39,622 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:39,622 INFO L514 BasicCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:39,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-18 06:00:39,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:00:39,838 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:39,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:39,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1955585046, now seen corresponding path program 2 times [2021-12-18 06:00:39,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:00:39,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077620929] [2021-12-18 06:00:39,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 06:00:39,840 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:00:39,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:00:39,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:00:39,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-18 06:00:40,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 06:00:40,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 06:00:40,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 06:00:40,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:00:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2021-12-18 06:00:40,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 06:00:40,550 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:00:40,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077620929] [2021-12-18 06:00:40,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077620929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:00:40,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:00:40,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 06:00:40,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378197168] [2021-12-18 06:00:40,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:00:40,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 06:00:40,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:00:40,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 06:00:40,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 06:00:40,552 INFO L87 Difference]: Start difference. First operand 1062 states and 1456 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-18 06:00:41,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:00:41,251 INFO L93 Difference]: Finished difference Result 2074 states and 2847 transitions. [2021-12-18 06:00:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 06:00:41,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 218 [2021-12-18 06:00:41,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:00:41,259 INFO L225 Difference]: With dead ends: 2074 [2021-12-18 06:00:41,259 INFO L226 Difference]: Without dead ends: 1061 [2021-12-18 06:00:41,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 216 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 06:00:41,267 INFO L933 BasicCegarLoop]: 1131 mSDtfsCounter, 1144 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 06:00:41,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1144 Valid, 1944 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 06:00:41,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2021-12-18 06:00:41,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1061. [2021-12-18 06:00:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 756 states have (on average 1.2989417989417988) internal successors, (982), 765 states have internal predecessors, (982), 236 states have call successors, (236), 69 states have call predecessors, (236), 68 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-18 06:00:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1452 transitions. [2021-12-18 06:00:41,352 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1452 transitions. Word has length 218 [2021-12-18 06:00:41,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:00:41,353 INFO L470 AbstractCegarLoop]: Abstraction has 1061 states and 1452 transitions. [2021-12-18 06:00:41,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-18 06:00:41,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1452 transitions. [2021-12-18 06:00:41,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-12-18 06:00:41,358 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:41,358 INFO L514 BasicCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-12-18 06:00:41,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-18 06:00:41,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:00:41,572 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:41,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:41,572 INFO L85 PathProgramCache]: Analyzing trace with hash 915801192, now seen corresponding path program 1 times [2021-12-18 06:00:41,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:00:41,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293412128] [2021-12-18 06:00:41,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:00:41,573 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:00:41,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:00:41,575 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:00:41,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-18 06:00:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:00:42,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 06:00:42,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:00:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 500 proven. 6 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2021-12-18 06:00:43,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 06:00:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 14 proven. 204 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2021-12-18 06:00:44,751 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:00:44,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293412128] [2021-12-18 06:00:44,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293412128] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 06:00:44,751 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 06:00:44,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-12-18 06:00:44,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506173132] [2021-12-18 06:00:44,751 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 06:00:44,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 06:00:44,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:00:44,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 06:00:44,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-12-18 06:00:44,753 INFO L87 Difference]: Start difference. First operand 1061 states and 1452 transitions. Second operand has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-18 06:00:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:00:45,776 INFO L93 Difference]: Finished difference Result 2114 states and 2911 transitions. [2021-12-18 06:00:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 06:00:45,777 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 276 [2021-12-18 06:00:45,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:00:45,783 INFO L225 Difference]: With dead ends: 2114 [2021-12-18 06:00:45,784 INFO L226 Difference]: Without dead ends: 1063 [2021-12-18 06:00:45,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2021-12-18 06:00:45,790 INFO L933 BasicCegarLoop]: 744 mSDtfsCounter, 31 mSDsluCounter, 3692 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 4436 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:00:45,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 4436 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-18 06:00:45,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2021-12-18 06:00:45,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1063. [2021-12-18 06:00:45,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 758 states have (on average 1.2981530343007917) internal successors, (984), 767 states have internal predecessors, (984), 236 states have call successors, (236), 69 states have call predecessors, (236), 68 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-18 06:00:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1454 transitions. [2021-12-18 06:00:45,838 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1454 transitions. Word has length 276 [2021-12-18 06:00:45,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:00:45,838 INFO L470 AbstractCegarLoop]: Abstraction has 1063 states and 1454 transitions. [2021-12-18 06:00:45,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-18 06:00:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1454 transitions. [2021-12-18 06:00:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-12-18 06:00:45,845 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:45,845 INFO L514 BasicCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-12-18 06:00:45,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-18 06:00:46,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:00:46,068 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:46,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:46,068 INFO L85 PathProgramCache]: Analyzing trace with hash 898376298, now seen corresponding path program 2 times [2021-12-18 06:00:46,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:00:46,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662579144] [2021-12-18 06:00:46,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 06:00:46,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:00:46,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:00:46,072 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:00:46,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-18 06:00:46,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 06:00:46,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 06:00:46,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 06:00:46,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:00:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2021-12-18 06:00:48,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 06:00:48,051 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:00:48,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662579144] [2021-12-18 06:00:48,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662579144] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:00:48,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:00:48,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 06:00:48,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941909708] [2021-12-18 06:00:48,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:00:48,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 06:00:48,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:00:48,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 06:00:48,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 06:00:48,053 INFO L87 Difference]: Start difference. First operand 1063 states and 1454 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-18 06:00:48,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:00:48,159 INFO L93 Difference]: Finished difference Result 3088 states and 4235 transitions. [2021-12-18 06:00:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 06:00:48,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 286 [2021-12-18 06:00:48,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:00:48,172 INFO L225 Difference]: With dead ends: 3088 [2021-12-18 06:00:48,173 INFO L226 Difference]: Without dead ends: 2068 [2021-12-18 06:00:48,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 06:00:48,180 INFO L933 BasicCegarLoop]: 1065 mSDtfsCounter, 659 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:00:48,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [659 Valid, 1768 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 06:00:48,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2021-12-18 06:00:48,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2064. [2021-12-18 06:00:48,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2064 states, 1478 states have (on average 1.3031123139377536) internal successors, (1926), 1495 states have internal predecessors, (1926), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 06:00:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2830 transitions. [2021-12-18 06:00:48,264 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2830 transitions. Word has length 286 [2021-12-18 06:00:48,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:00:48,265 INFO L470 AbstractCegarLoop]: Abstraction has 2064 states and 2830 transitions. [2021-12-18 06:00:48,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-18 06:00:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2830 transitions. [2021-12-18 06:00:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-12-18 06:00:48,273 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:48,273 INFO L514 BasicCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 06:00:48,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-18 06:00:48,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:00:48,488 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:48,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:48,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1533614697, now seen corresponding path program 1 times [2021-12-18 06:00:48,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:00:48,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162033754] [2021-12-18 06:00:48,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:00:48,490 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:00:48,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:00:48,491 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:00:48,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-18 06:00:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:00:49,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 1653 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 06:00:49,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:00:50,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 601 proven. 10 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2021-12-18 06:00:50,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 06:00:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 16 proven. 289 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2021-12-18 06:00:51,962 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:00:51,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162033754] [2021-12-18 06:00:51,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162033754] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 06:00:51,962 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 06:00:51,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-12-18 06:00:51,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634355948] [2021-12-18 06:00:51,963 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 06:00:51,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-18 06:00:51,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:00:51,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-18 06:00:51,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-12-18 06:00:51,965 INFO L87 Difference]: Start difference. First operand 2064 states and 2830 transitions. Second operand has 17 states, 15 states have (on average 7.466666666666667) internal successors, (112), 17 states have internal predecessors, (112), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-18 06:00:53,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:00:53,383 INFO L93 Difference]: Finished difference Result 4129 states and 5689 transitions. [2021-12-18 06:00:53,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 06:00:53,384 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 7.466666666666667) internal successors, (112), 17 states have internal predecessors, (112), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 308 [2021-12-18 06:00:53,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:00:53,401 INFO L225 Difference]: With dead ends: 4129 [2021-12-18 06:00:53,401 INFO L226 Difference]: Without dead ends: 2076 [2021-12-18 06:00:53,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2021-12-18 06:00:53,412 INFO L933 BasicCegarLoop]: 744 mSDtfsCounter, 37 mSDsluCounter, 5898 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 6642 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-18 06:00:53,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 6642 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-18 06:00:53,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2021-12-18 06:00:53,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2076. [2021-12-18 06:00:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2076 states, 1489 states have (on average 1.3022162525184688) internal successors, (1939), 1506 states have internal predecessors, (1939), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 06:00:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2843 transitions. [2021-12-18 06:00:53,496 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2843 transitions. Word has length 308 [2021-12-18 06:00:53,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:00:53,496 INFO L470 AbstractCegarLoop]: Abstraction has 2076 states and 2843 transitions. [2021-12-18 06:00:53,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 7.466666666666667) internal successors, (112), 17 states have internal predecessors, (112), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-18 06:00:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2843 transitions. [2021-12-18 06:00:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-12-18 06:00:53,505 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:00:53,506 INFO L514 BasicCegarLoop]: trace histogram [47, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 06:00:53,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-18 06:00:53,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:00:53,726 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:00:53,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:00:53,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1488760281, now seen corresponding path program 2 times [2021-12-18 06:00:53,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:00:53,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375292475] [2021-12-18 06:00:53,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 06:00:53,728 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:00:53,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:00:53,729 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:00:53,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-18 06:00:57,834 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 06:00:57,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 06:00:57,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 1719 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-18 06:00:57,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:00:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 688 proven. 15 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2021-12-18 06:00:58,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 06:01:00,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2021-12-18 06:01:00,522 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:01:00,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375292475] [2021-12-18 06:01:00,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [375292475] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 06:01:00,522 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 06:01:00,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-12-18 06:01:00,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795221746] [2021-12-18 06:01:00,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 06:01:00,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-18 06:01:00,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:01:00,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-18 06:01:00,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-12-18 06:01:00,524 INFO L87 Difference]: Start difference. First operand 2076 states and 2843 transitions. Second operand has 19 states, 17 states have (on average 6.705882352941177) internal successors, (114), 19 states have internal predecessors, (114), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-18 06:01:02,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:01:02,241 INFO L93 Difference]: Finished difference Result 4147 states and 5702 transitions. [2021-12-18 06:01:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 06:01:02,242 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 6.705882352941177) internal successors, (114), 19 states have internal predecessors, (114), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 314 [2021-12-18 06:01:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:01:02,255 INFO L225 Difference]: With dead ends: 4147 [2021-12-18 06:01:02,255 INFO L226 Difference]: Without dead ends: 2080 [2021-12-18 06:01:02,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2021-12-18 06:01:02,264 INFO L933 BasicCegarLoop]: 745 mSDtfsCounter, 36 mSDsluCounter, 8116 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 8861 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-18 06:01:02,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 8861 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-18 06:01:02,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2021-12-18 06:01:02,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 2080. [2021-12-18 06:01:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2080 states, 1493 states have (on average 1.3014065639651708) internal successors, (1943), 1510 states have internal predecessors, (1943), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 06:01:02,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2847 transitions. [2021-12-18 06:01:02,348 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2847 transitions. Word has length 314 [2021-12-18 06:01:02,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:01:02,349 INFO L470 AbstractCegarLoop]: Abstraction has 2080 states and 2847 transitions. [2021-12-18 06:01:02,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 6.705882352941177) internal successors, (114), 19 states have internal predecessors, (114), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-18 06:01:02,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2847 transitions. [2021-12-18 06:01:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-12-18 06:01:02,356 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:01:02,356 INFO L514 BasicCegarLoop]: trace histogram [53, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 06:01:02,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-18 06:01:02,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:01:02,572 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:01:02,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:01:02,572 INFO L85 PathProgramCache]: Analyzing trace with hash 681554647, now seen corresponding path program 3 times [2021-12-18 06:01:02,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:01:02,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699869753] [2021-12-18 06:01:02,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-18 06:01:02,574 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:01:02,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:01:02,575 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:01:02,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-18 06:01:06,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-18 06:01:06,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 06:01:06,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 06:01:06,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:01:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2668 trivial. 0 not checked. [2021-12-18 06:01:07,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 06:01:07,389 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:01:07,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699869753] [2021-12-18 06:01:07,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699869753] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:01:07,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:01:07,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 06:01:07,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205210803] [2021-12-18 06:01:07,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:01:07,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 06:01:07,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:01:07,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 06:01:07,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 06:01:07,392 INFO L87 Difference]: Start difference. First operand 2080 states and 2847 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-18 06:01:07,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:01:07,521 INFO L93 Difference]: Finished difference Result 4834 states and 6760 transitions. [2021-12-18 06:01:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 06:01:07,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 320 [2021-12-18 06:01:07,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:01:07,545 INFO L225 Difference]: With dead ends: 4834 [2021-12-18 06:01:07,545 INFO L226 Difference]: Without dead ends: 2809 [2021-12-18 06:01:07,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 06:01:07,557 INFO L933 BasicCegarLoop]: 1028 mSDtfsCounter, 309 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:01:07,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [387 Valid, 1688 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 06:01:07,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2021-12-18 06:01:07,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2084. [2021-12-18 06:01:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 1497 states have (on average 1.3006012024048097) internal successors, (1947), 1514 states have internal predecessors, (1947), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 06:01:07,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2851 transitions. [2021-12-18 06:01:07,683 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2851 transitions. Word has length 320 [2021-12-18 06:01:07,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:01:07,684 INFO L470 AbstractCegarLoop]: Abstraction has 2084 states and 2851 transitions. [2021-12-18 06:01:07,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-18 06:01:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2851 transitions. [2021-12-18 06:01:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-12-18 06:01:07,705 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:01:07,705 INFO L514 BasicCegarLoop]: trace histogram [53, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 06:01:07,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-18 06:01:07,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:01:07,920 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:01:07,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:01:07,920 INFO L85 PathProgramCache]: Analyzing trace with hash -598309031, now seen corresponding path program 1 times [2021-12-18 06:01:07,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:01:07,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630247349] [2021-12-18 06:01:07,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:01:07,922 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:01:07,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:01:07,923 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:01:07,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-18 06:01:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:01:08,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-18 06:01:08,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:01:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 785 proven. 21 refuted. 0 times theorem prover too weak. 1869 trivial. 0 not checked. [2021-12-18 06:01:10,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 06:01:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 20 proven. 460 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2021-12-18 06:01:12,299 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:01:12,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630247349] [2021-12-18 06:01:12,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630247349] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 06:01:12,299 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 06:01:12,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-12-18 06:01:12,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133430004] [2021-12-18 06:01:12,300 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 06:01:12,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-18 06:01:12,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:01:12,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-18 06:01:12,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2021-12-18 06:01:12,302 INFO L87 Difference]: Start difference. First operand 2084 states and 2851 transitions. Second operand has 21 states, 19 states have (on average 6.105263157894737) internal successors, (116), 21 states have internal predecessors, (116), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-18 06:01:14,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:01:14,133 INFO L93 Difference]: Finished difference Result 4163 states and 5718 transitions. [2021-12-18 06:01:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 06:01:14,135 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.105263157894737) internal successors, (116), 21 states have internal predecessors, (116), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 320 [2021-12-18 06:01:14,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:01:14,148 INFO L225 Difference]: With dead ends: 4163 [2021-12-18 06:01:14,149 INFO L226 Difference]: Without dead ends: 2088 [2021-12-18 06:01:14,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2021-12-18 06:01:14,160 INFO L933 BasicCegarLoop]: 745 mSDtfsCounter, 37 mSDsluCounter, 8856 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 9601 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-18 06:01:14,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 9601 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-18 06:01:14,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2021-12-18 06:01:14,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2088. [2021-12-18 06:01:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 1501 states have (on average 1.2998001332445037) internal successors, (1951), 1518 states have internal predecessors, (1951), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 06:01:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2855 transitions. [2021-12-18 06:01:14,294 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2855 transitions. Word has length 320 [2021-12-18 06:01:14,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:01:14,295 INFO L470 AbstractCegarLoop]: Abstraction has 2088 states and 2855 transitions. [2021-12-18 06:01:14,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.105263157894737) internal successors, (116), 21 states have internal predecessors, (116), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-18 06:01:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2855 transitions. [2021-12-18 06:01:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-18 06:01:14,302 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:01:14,303 INFO L514 BasicCegarLoop]: trace histogram [59, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 06:01:14,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-18 06:01:14,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:01:14,523 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:01:14,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:01:14,524 INFO L85 PathProgramCache]: Analyzing trace with hash 402256617, now seen corresponding path program 2 times [2021-12-18 06:01:14,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:01:14,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588831459] [2021-12-18 06:01:14,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 06:01:14,525 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:01:14,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:01:14,527 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:01:14,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-18 06:01:18,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 06:01:18,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 06:01:18,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 1851 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-18 06:01:18,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:01:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 892 proven. 28 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2021-12-18 06:01:19,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 06:01:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 22 proven. 562 refuted. 0 times theorem prover too weak. 2490 trivial. 0 not checked. [2021-12-18 06:01:21,661 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:01:21,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588831459] [2021-12-18 06:01:21,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [588831459] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 06:01:21,661 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 06:01:21,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-12-18 06:01:21,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576301339] [2021-12-18 06:01:21,662 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 06:01:21,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-18 06:01:21,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:01:21,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-18 06:01:21,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2021-12-18 06:01:21,664 INFO L87 Difference]: Start difference. First operand 2088 states and 2855 transitions. Second operand has 23 states, 21 states have (on average 5.619047619047619) internal successors, (118), 23 states have internal predecessors, (118), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-18 06:01:23,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:01:23,343 INFO L93 Difference]: Finished difference Result 4171 states and 5726 transitions. [2021-12-18 06:01:23,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 06:01:23,344 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.619047619047619) internal successors, (118), 23 states have internal predecessors, (118), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 326 [2021-12-18 06:01:23,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:01:23,357 INFO L225 Difference]: With dead ends: 4171 [2021-12-18 06:01:23,358 INFO L226 Difference]: Without dead ends: 2092 [2021-12-18 06:01:23,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=169, Invalid=701, Unknown=0, NotChecked=0, Total=870 [2021-12-18 06:01:23,365 INFO L933 BasicCegarLoop]: 745 mSDtfsCounter, 57 mSDsluCounter, 9608 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 10353 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-18 06:01:23,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 10353 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-18 06:01:23,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2021-12-18 06:01:23,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2092. [2021-12-18 06:01:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2092 states, 1505 states have (on average 1.2990033222591362) internal successors, (1955), 1522 states have internal predecessors, (1955), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 06:01:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2859 transitions. [2021-12-18 06:01:23,455 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2859 transitions. Word has length 326 [2021-12-18 06:01:23,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:01:23,456 INFO L470 AbstractCegarLoop]: Abstraction has 2092 states and 2859 transitions. [2021-12-18 06:01:23,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.619047619047619) internal successors, (118), 23 states have internal predecessors, (118), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-18 06:01:23,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2859 transitions. [2021-12-18 06:01:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-12-18 06:01:23,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:01:23,464 INFO L514 BasicCegarLoop]: trace histogram [65, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 06:01:23,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-12-18 06:01:23,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:01:23,665 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:01:23,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:01:23,665 INFO L85 PathProgramCache]: Analyzing trace with hash 873706649, now seen corresponding path program 3 times [2021-12-18 06:01:23,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:01:23,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525705713] [2021-12-18 06:01:23,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-18 06:01:23,666 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:01:23,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:01:23,668 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:01:23,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-18 06:01:26,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-18 06:01:26,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 06:01:26,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 06:01:26,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:01:27,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3509 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3502 trivial. 0 not checked. [2021-12-18 06:01:27,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 06:01:27,422 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 06:01:27,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525705713] [2021-12-18 06:01:27,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525705713] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:01:27,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:01:27,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 06:01:27,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987114133] [2021-12-18 06:01:27,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:01:27,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 06:01:27,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 06:01:27,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 06:01:27,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:01:27,423 INFO L87 Difference]: Start difference. First operand 2092 states and 2859 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-18 06:01:27,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:01:27,978 INFO L93 Difference]: Finished difference Result 3707 states and 5177 transitions. [2021-12-18 06:01:27,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:01:27,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 332 [2021-12-18 06:01:27,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:01:27,997 INFO L225 Difference]: With dead ends: 3707 [2021-12-18 06:01:27,997 INFO L226 Difference]: Without dead ends: 2685 [2021-12-18 06:01:28,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:01:28,005 INFO L933 BasicCegarLoop]: 1057 mSDtfsCounter, 933 mSDsluCounter, 2376 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 3433 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 06:01:28,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [933 Valid, 3433 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 06:01:28,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2021-12-18 06:01:28,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2098. [2021-12-18 06:01:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 1511 states have (on average 1.2978160158835208) internal successors, (1961), 1528 states have internal predecessors, (1961), 453 states have call successors, (453), 134 states have call predecessors, (453), 133 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-18 06:01:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2865 transitions. [2021-12-18 06:01:28,142 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2865 transitions. Word has length 332 [2021-12-18 06:01:28,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:01:28,143 INFO L470 AbstractCegarLoop]: Abstraction has 2098 states and 2865 transitions. [2021-12-18 06:01:28,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-18 06:01:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2865 transitions. [2021-12-18 06:01:28,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-12-18 06:01:28,151 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:01:28,151 INFO L514 BasicCegarLoop]: trace histogram [65, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2021-12-18 06:01:28,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-12-18 06:01:28,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:01:28,366 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:01:28,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:01:28,367 INFO L85 PathProgramCache]: Analyzing trace with hash 963611872, now seen corresponding path program 1 times [2021-12-18 06:01:28,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 06:01:28,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250860291] [2021-12-18 06:01:28,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:01:28,368 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 06:01:28,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 06:01:28,370 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 06:01:28,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-18 06:01:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 06:01:37,439 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 06:01:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 06:01:44,167 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-18 06:01:44,168 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 06:01:44,169 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 06:01:44,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-12-18 06:01:44,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 06:01:44,395 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 1, 1, 1] [2021-12-18 06:01:44,398 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 06:01:44,440 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,444 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,445 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,446 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,447 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,448 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,449 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,450 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,451 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,453 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,454 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 06:01:44 BoogieIcfgContainer [2021-12-18 06:01:44,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 06:01:44,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 06:01:44,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 06:01:44,613 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 06:01:44,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:00:27" (3/4) ... [2021-12-18 06:01:44,615 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-18 06:01:44,628 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,629 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,630 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,631 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,632 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,633 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,635 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,656 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,658 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,659 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,660 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 06:01:44,841 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-18 06:01:44,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 06:01:44,842 INFO L158 Benchmark]: Toolchain (without parser) took 93677.36ms. Allocated memory was 52.4MB in the beginning and 266.3MB in the end (delta: 213.9MB). Free memory was 31.8MB in the beginning and 118.9MB in the end (delta: -87.1MB). Peak memory consumption was 202.0MB. Max. memory is 16.1GB. [2021-12-18 06:01:44,842 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 06:01:44,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2102.36ms. Allocated memory was 52.4MB in the beginning and 146.8MB in the end (delta: 94.4MB). Free memory was 31.6MB in the beginning and 78.3MB in the end (delta: -46.7MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2021-12-18 06:01:44,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.00ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 68.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 06:01:44,844 INFO L158 Benchmark]: Boogie Preprocessor took 154.95ms. Allocated memory is still 146.8MB. Free memory was 68.8MB in the beginning and 57.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 06:01:44,844 INFO L158 Benchmark]: RCFGBuilder took 14307.85ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 57.4MB in the beginning and 121.0MB in the end (delta: -63.6MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2021-12-18 06:01:44,844 INFO L158 Benchmark]: TraceAbstraction took 76707.90ms. Allocated memory was 203.4MB in the beginning and 266.3MB in the end (delta: 62.9MB). Free memory was 119.9MB in the beginning and 63.7MB in the end (delta: 56.2MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2021-12-18 06:01:44,845 INFO L158 Benchmark]: Witness Printer took 229.31ms. Allocated memory is still 266.3MB. Free memory was 63.7MB in the beginning and 118.9MB in the end (delta: -55.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-12-18 06:01:44,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2102.36ms. Allocated memory was 52.4MB in the beginning and 146.8MB in the end (delta: 94.4MB). Free memory was 31.6MB in the beginning and 78.3MB in the end (delta: -46.7MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.00ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 68.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.95ms. Allocated memory is still 146.8MB. Free memory was 68.8MB in the beginning and 57.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 14307.85ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 57.4MB in the beginning and 121.0MB in the end (delta: -63.6MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. * TraceAbstraction took 76707.90ms. Allocated memory was 203.4MB in the beginning and 266.3MB in the end (delta: 62.9MB). Free memory was 119.9MB in the beginning and 63.7MB in the end (delta: 56.2MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * Witness Printer took 229.31ms. Allocated memory is still 266.3MB. Free memory was 63.7MB in the beginning and 118.9MB in the end (delta: -55.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 5816]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L4367] int LDV_IN_INTERRUPT = 1; [L4368] int ldv_state_variable_2 ; [L4369] struct md_rdev *cluster_ops_group0 ; [L4370] int ref_cnt ; [L4371] struct mddev *cluster_ops_group1 ; [L4372] int ldv_state_variable_1 ; [L4373] int ldv_state_variable_0 ; [L4374] struct dlm_slot *md_ls_ops_group0 ; [L4719] static struct dlm_lockspace_ops const md_ls_ops = {& recover_prep, & recover_slot, & recover_done}; [L5507-L5510] static struct md_cluster_operations cluster_ops = {& join, & leave, & slot_number, & resync_info_update, & resync_start, & resync_finish, & metadata_update_start, & metadata_update_finish, & metadata_update_cancel, & area_resyncing, & add_new_disk_start, & add_new_disk_finish, & new_disk_ack, & remove_disk, & gather_bitmaps}; [L5527] int ldv_retval_0 ; [L5855] int ldv_module_refcounter = 1; VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5553] bool ldvarg7 ; [L5554] sector_t ldvarg3 ; [L5555] sector_t ldvarg0 ; [L5556] sector_t ldvarg5 ; [L5557] sector_t ldvarg6 ; [L5558] sector_t ldvarg1 ; [L5559] int ldvarg4 ; [L5560] sector_t ldvarg2 ; [L5561] void *ldvarg8 ; [L5562] void *tmp ; [L5563] int ldvarg11 ; [L5564] void *ldvarg13 ; [L5565] void *tmp___0 ; [L5566] void *ldvarg10 ; [L5567] void *tmp___1 ; [L5568] uint32_t ldvarg12 ; [L5569] int ldvarg9 ; [L5570] int tmp___2 ; [L5571] int tmp___3 ; [L5572] int tmp___4 ; [L5573] int tmp___5 ; VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5575] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={9223351549860765694:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={9223351549860765694:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={9223351549860765694:0}, ref_cnt=0, size=1, tmp={9223351549860765694:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={9223351549860765694:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={9223351549860765694:0}, ref_cnt=0, size=1, tmp={9223351549860765694:0}] [L4333] return (p); VAL [\old(size)=1, \result={9223351549860765694:0}, calloc(1UL, size)={9223351549860765694:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={9223351549860765694:0}, ref_cnt=0, size=1, tmp={9223351549860765694:0}] [L5575] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={9223351549860765694:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5575] tmp = ldv_init_zalloc(1UL) [L5576] ldvarg8 = tmp VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}] [L5577] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={-208778360266753:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={-208778360266753:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-208778360266753:0}, ref_cnt=0, size=1, tmp={-208778360266753:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={-208778360266753:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-208778360266753:0}, ref_cnt=0, size=1, tmp={-208778360266753:0}] [L4333] return (p); VAL [\old(size)=1, \result={-208778360266753:0}, calloc(1UL, size)={-208778360266753:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-208778360266753:0}, ref_cnt=0, size=1, tmp={-208778360266753:0}] [L5577] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-208778360266753:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}] [L5577] tmp___0 = ldv_init_zalloc(1UL) [L5578] ldvarg13 = tmp___0 VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}] [L5579] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={2740189126647:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={2740189126647:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={2740189126647:0}, ref_cnt=0, size=1, tmp={2740189126647:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={2740189126647:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={2740189126647:0}, ref_cnt=0, size=1, tmp={2740189126647:0}] [L4333] return (p); VAL [\old(size)=1, \result={2740189126647:0}, calloc(1UL, size)={2740189126647:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={2740189126647:0}, ref_cnt=0, size=1, tmp={2740189126647:0}] [L5579] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={2740189126647:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}] [L5579] tmp___1 = ldv_init_zalloc(1UL) [L5580] ldvarg10 = tmp___1 [L5581] FCALL ldv_initialize() [L5582] CALL ldv_memset((void *)(& ldvarg7), 0, 1UL) VAL [\old(c)=0, \old(n)=1, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-150624503062525:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=1, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=1, ref_cnt=0, s={-150624503062525:0}, s={-150624503062525:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=1, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-150624503062525:0}, n=1, ref_cnt=0, s={-150624503062525:0}, s={-150624503062525:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=1, \result={-150624503062525:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=1, ref_cnt=0, s={-150624503062525:0}, s={-150624503062525:0}, tmp={-150624503062525:0}] [L5582] RET ldv_memset((void *)(& ldvarg7), 0, 1UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg7), 0, 1UL)={-150624503062525:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5583] CALL ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-70368760954897:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-70368760954897:0}, s={-70368760954897:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-70368760954897:0}, n=8, ref_cnt=0, s={-70368760954897:0}, s={-70368760954897:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-70368760954897:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-70368760954897:0}, s={-70368760954897:0}, tmp={-70368760954897:0}] [L5583] RET ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 8UL)={-70368760954897:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5584] CALL ldv_memset((void *)(& ldvarg0), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-2207613198337:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-2207613198337:0}, s={-2207613198337:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-2207613198337:0}, n=8, ref_cnt=0, s={-2207613198337:0}, s={-2207613198337:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-2207613198337:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-2207613198337:0}, s={-2207613198337:0}, tmp={-2207613198337:0}] [L5584] RET ldv_memset((void *)(& ldvarg0), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 8UL)={-2207613198337:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5585] CALL ldv_memset((void *)(& ldvarg5), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-145135534866429:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-145135534866429:0}, s={-145135534866429:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-145135534866429:0}, n=8, ref_cnt=0, s={-145135534866429:0}, s={-145135534866429:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-145135534866429:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-145135534866429:0}, s={-145135534866429:0}, tmp={-145135534866429:0}] [L5585] RET ldv_memset((void *)(& ldvarg5), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg5), 0, 8UL)={-145135534866429:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5586] CALL ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-145135534800895:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-145135534800895:0}, s={-145135534800895:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-145135534800895:0}, n=8, ref_cnt=0, s={-145135534800895:0}, s={-145135534800895:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-145135534800895:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-145135534800895:0}, s={-145135534800895:0}, tmp={-145135534800895:0}] [L5586] RET ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg6), 0, 8UL)={-145135534800895:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5587] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-145135534866431:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-145135534866431:0}, s={-145135534866431:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-145135534866431:0}, n=8, ref_cnt=0, s={-145135534866431:0}, s={-145135534866431:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-145135534866431:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-145135534866431:0}, s={-145135534866431:0}, tmp={-145135534866431:0}] [L5587] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={-145135534866431:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5588] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-145135534866432:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-145135534866432:0}, s={-145135534866432:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-145135534866432:0}, n=4, ref_cnt=0, s={-145135534866432:0}, s={-145135534866432:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={-145135534866432:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-145135534866432:0}, s={-145135534866432:0}, tmp={-145135534866432:0}] [L5588] RET ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg4), 0, 4UL)={-145135534866432:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5589] CALL ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-145134997995519:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-145134997995519:0}, s={-145134997995519:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-145134997995519:0}, n=8, ref_cnt=0, s={-145134997995519:0}, s={-145134997995519:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-145134997995519:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={-145134997995519:0}, s={-145134997995519:0}, tmp={-145134997995519:0}] [L5589] RET ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg2), 0, 8UL)={-145134997995519:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5590] CALL ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-18287970754562:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-18287970754562:0}, s={-18287970754562:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-18287970754562:0}, n=4, ref_cnt=0, s={-18287970754562:0}, s={-18287970754562:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={-18287970754562:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-18287970754562:0}, s={-18287970754562:0}, tmp={-18287970754562:0}] [L5590] RET ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg11), 0, 4UL)={-18287970754562:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5591] CALL ldv_memset((void *)(& ldvarg12), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-70368760954907:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-70368760954907:0}, s={-70368760954907:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-70368760954907:0}, n=4, ref_cnt=0, s={-70368760954907:0}, s={-70368760954907:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={-70368760954907:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-70368760954907:0}, s={-70368760954907:0}, tmp={-70368760954907:0}] [L5591] RET ldv_memset((void *)(& ldvarg12), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg12), 0, 4UL)={-70368760954907:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5592] CALL ldv_memset((void *)(& ldvarg9), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={-70368760954905:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-70368760954905:0}, s={-70368760954905:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={-70368760954905:0}, n=4, ref_cnt=0, s={-70368760954905:0}, s={-70368760954905:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={-70368760954905:0}, c=0, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={-70368760954905:0}, s={-70368760954905:0}, tmp={-70368760954905:0}] [L5592] RET ldv_memset((void *)(& ldvarg9), 0, 4UL) VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg9), 0, 4UL)={-70368760954905:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5593] ldv_state_variable_1 = 0 [L5594] ref_cnt = 0 [L5595] ldv_state_variable_0 = 1 [L5596] ldv_state_variable_2 = 0 VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: [L5716] case 1: VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}, tmp___2=1] [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___4 = __VERIFIER_nondet_int() [L5720] case 0: [L5728] case 1: VAL [cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}, tmp___2=1, tmp___4=1] [L5729] COND TRUE ldv_state_variable_0 == 1 [L5730] CALL, EXPR cluster_init() [L5516] CALL register_md_cluster_operations(& cluster_ops, & __this_module) [L6002] return __VERIFIER_nondet_int(); [L5516] RET register_md_cluster_operations(& cluster_ops, & __this_module) [L5517] return (0); VAL [\result=0, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5730] RET, EXPR cluster_init() [L5730] ldv_retval_0 = cluster_init() [L5731] COND TRUE ldv_retval_0 == 0 [L5732] ldv_state_variable_0 = 3 [L5733] ldv_state_variable_2 = 1 [L5734] CALL ldv_initialize_dlm_lockspace_ops_2() [L5532] void *tmp ; VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5534] CALL, EXPR ldv_init_zalloc(8UL) VAL [\old(size)=8, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=8, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={-165622528876546:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=8] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=8, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={-165622528876546:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-165622528876546:0}, ref_cnt=0, size=8, tmp={-165622528876546:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={-165622528876546:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-165622528876546:0}, ref_cnt=0, size=8, tmp={-165622528876546:0}] [L4333] return (p); VAL [\old(size)=8, \result={-165622528876546:0}, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={-165622528876546:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, p={-165622528876546:0}, ref_cnt=0, size=8, tmp={-165622528876546:0}] [L5534] RET, EXPR ldv_init_zalloc(8UL) VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(8UL)={-165622528876546:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5534] tmp = ldv_init_zalloc(8UL) [L5535] md_ls_ops_group0 = (struct dlm_slot *)tmp VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={-165622528876546:0}] [L5734] RET ldv_initialize_dlm_lockspace_ops_2() [L5735] ldv_state_variable_1 = 1 [L5736] CALL ldv_initialize_md_cluster_operations_1() [L5541] void *tmp ; [L5542] void *tmp___0 ; VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L5544] CALL, EXPR ldv_init_zalloc(832UL) VAL [\old(size)=832, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=832, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={-164660456202241:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, size=832] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=832, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={-164660456202241:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, p={-164660456202241:0}, ref_cnt=0, size=832, tmp={-164660456202241:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=832, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={-164660456202241:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, p={-164660456202241:0}, ref_cnt=0, size=832, tmp={-164660456202241:0}] [L4333] return (p); VAL [\old(size)=832, \result={-164660456202241:0}, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={-164660456202241:0}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, p={-164660456202241:0}, ref_cnt=0, size=832, tmp={-164660456202241:0}] [L5544] RET, EXPR ldv_init_zalloc(832UL) VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(832UL)={-164660456202241:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L5544] tmp = ldv_init_zalloc(832UL) [L5545] cluster_ops_group0 = (struct md_rdev *)tmp VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={-164660456202241:0}] [L5546] CALL, EXPR ldv_init_zalloc(2096UL) VAL [\old(size)=2096, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2096, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={21431886798845:0}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, size=2096] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=2096, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={21431886798845:0}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, p={21431886798845:0}, ref_cnt=0, size=2096, tmp={21431886798845:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2096, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={21431886798845:0}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, p={21431886798845:0}, ref_cnt=0, size=2096, tmp={21431886798845:0}] [L4333] return (p); VAL [\old(size)=2096, \result={21431886798845:0}, __this_module={549755813888:-9223372036854775808}, calloc(1UL, size)={21431886798845:0}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, p={21431886798845:0}, ref_cnt=0, size=2096, tmp={21431886798845:0}] [L5546] RET, EXPR ldv_init_zalloc(2096UL) VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2096UL)={21431886798845:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={-164660456202241:0}] [L5546] tmp___0 = ldv_init_zalloc(2096UL) [L5547] cluster_ops_group1 = (struct mddev *)tmp___0 VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={-164660456202241:0}, tmp___0={21431886798845:0}] [L5736] RET ldv_initialize_md_cluster_operations_1() [L5739] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}, tmp___2=1, tmp___4=1] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}, tmp___2=0, tmp___4=1] [L5601] COND TRUE ldv_state_variable_1 != 0 [L5602] tmp___3 = __VERIFIER_nondet_int() [L5604] case 0: [L5611] case 1: [L5618] case 2: [L5625] case 3: [L5632] case 4: [L5639] case 5: [L5646] case 6: [L5653] case 7: [L5660] case 8: [L5667] case 9: VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}, tmp___2=0, tmp___3=9, tmp___4=1] [L5668] COND TRUE ldv_state_variable_1 == 1 [L5669] EXPR \read(ldvarg4) [L5669] CALL join(cluster_ops_group1, ldvarg4) [L5089] struct md_cluster_info *cinfo ; [L5090] int ret ; [L5091] int ops_rv ; [L5092] char str[64U] ; [L5093] bool tmp ; [L5094] int tmp___0 ; [L5095] void *tmp___1 ; [L5096] struct lock_class_key __key ; [L5097] int tmp___2 ; [L5098] int tmp___3 ; [L5099] int tmp___4 ; [L5100] struct lock_class_key __key___0 ; [L5102] CALL, EXPR ldv_try_module_get_5(& __this_module) [L5798] int tmp ; [L5800] CALL, EXPR ldv_try_module_get(ldv_func_arg1) [L5868] int module_get_succeeded ; VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, module={549755813888:-9223372036854775808}, module={549755813888:-9223372036854775808}, ref_cnt=0] [L5870] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L5871] CALL, EXPR ldv_undef_int() [L4346] int tmp ; [L4348] tmp = __VERIFIER_nondet_int() [L4349] return (tmp); VAL [\result=1, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp=1] [L5871] RET, EXPR ldv_undef_int() [L5871] module_get_succeeded = ldv_undef_int() [L5872] COND TRUE module_get_succeeded == 1 [L5873] ldv_module_refcounter = ldv_module_refcounter + 1 [L5874] return (1); VAL [\result=1, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, module={549755813888:-9223372036854775808}, module={549755813888:-9223372036854775808}, module_get_succeeded=1, ref_cnt=0] [L5800] RET, EXPR ldv_try_module_get(ldv_func_arg1) [L5800] tmp = ldv_try_module_get(ldv_func_arg1) [L5801] return (tmp != 0); VAL [\result=1, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, ldv_func_arg1={549755813888:-9223372036854775808}, ldv_func_arg1={549755813888:-9223372036854775808}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp=1] [L5102] RET, EXPR ldv_try_module_get_5(& __this_module) [L5102] tmp = ldv_try_module_get_5(& __this_module) [L5103] COND TRUE \read(tmp) [L5104] tmp___0 = 0 VAL [\old(nodes)=0, __key={-2207613198345:0}, __key___0={-8589942793:0}, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, mddev={21431886798845:0}, mddev={21431886798845:0}, nodes=0, ops_rv={-23785528893442:0}, ref_cnt=0, str={-24885040521217:0}, tmp=1, tmp___0=0] [L5108] COND FALSE !(\read(tmp___0)) VAL [\old(nodes)=0, __key={-2207613198345:0}, __key___0={-8589942793:0}, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, mddev={21431886798845:0}, mddev={21431886798845:0}, nodes=0, ops_rv={-23785528893442:0}, ref_cnt=0, str={-24885040521217:0}, tmp=1, tmp___0=0] [L5112] CALL, EXPR kzalloc(536UL, 208U) VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L4277] void *tmp ; [L4279] CALL, EXPR kmalloc(size, flags | 32768U) [L4268] void *tmp___2 ; [L4270] CALL, EXPR __kmalloc(size, flags) [L4263] CALL, EXPR ldv_malloc(size) VAL [\old(size)=536, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L4293] void *p ; [L4294] void *tmp ; [L4295] int tmp___0 ; [L4297] tmp___0 = __VERIFIER_nondet_int() [L4298] COND TRUE tmp___0 != 0 [L4299] return ((void *)0); VAL [\old(size)=536, \result={0:0}, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, size=536, tmp___0=2147483648] [L4263] RET, EXPR ldv_malloc(size) VAL [\old(size)=536, \old(t)=32976, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_malloc(size)={0:0}, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, size=536, t=32976] [L4263] return ldv_malloc(size); [L4270] RET, EXPR __kmalloc(size, flags) [L4270] tmp___2 = __kmalloc(size, flags) [L4271] return (tmp___2); VAL [\old(flags)=32976, \old(size)=536, \result={0:0}, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, flags=32976, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, size=536, tmp___2={0:0}] [L4279] RET, EXPR kmalloc(size, flags | 32768U) [L4279] tmp = kmalloc(size, flags | 32768U) [L4280] return (tmp); VAL [\old(flags)=208, \old(size)=536, \result={0:0}, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, size=536, tmp={0:0}] [L5112] RET, EXPR kzalloc(536UL, 208U) VAL [\old(nodes)=0, __key={-2207613198345:0}, __key___0={-8589942793:0}, __this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, kzalloc(536UL, 208U)={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, mddev={21431886798845:0}, mddev={21431886798845:0}, nodes=0, ops_rv={-23785528893442:0}, ref_cnt=0, str={-24885040521217:0}, tmp=1, tmp___0=0] [L5112] tmp___1 = kzalloc(536UL, 208U) [L5113] cinfo = (struct md_cluster_info *)tmp___1 VAL [\old(nodes)=0, __key={-2207613198345:0}, __key___0={-8589942793:0}, __this_module={549755813888:-9223372036854775808}, cinfo={0:0}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, mddev={21431886798845:0}, mddev={21431886798845:0}, nodes=0, ops_rv={-23785528893442:0}, ref_cnt=0, str={-24885040521217:0}, tmp=1, tmp___0=0, tmp___1={0:0}] [L5114] COND TRUE (unsigned long )cinfo == (unsigned long )((struct md_cluster_info *)0) [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); VAL [\old(nodes)=0, \result=-12, __this_module={549755813888:-9223372036854775808}, cinfo={0:0}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, mddev={21431886798845:0}, mddev={21431886798845:0}, nodes=0, ref_cnt=0, tmp=1, tmp___0=0, tmp___1={0:0}] [L5669] RET join(cluster_ops_group1, ldvarg4) [L5670] ldv_state_variable_1 = 1 VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}, tmp___2=0, tmp___3=9, tmp___4=1] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: [L5716] case 1: VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}, tmp___2=1, tmp___3=9, tmp___4=1] [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___4 = __VERIFIER_nondet_int() [L5720] case 0: VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}, tmp___2=1, tmp___3=9, tmp___4=0] [L5721] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5722] CALL cluster_exit() [L5523] CALL unregister_md_cluster_operations() [L6010] return __VERIFIER_nondet_int(); [L5523] RET unregister_md_cluster_operations() [L5722] RET cluster_exit() [L5723] ldv_state_variable_0 = 2 VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-2207613198337:0}, ldvarg1={-145135534866431:0}, ldvarg10={2740189126647:0}, ldvarg11={-18287970754562:0}, ldvarg12={-70368760954907:0}, ldvarg13={-208778360266753:0}, ldvarg2={-145134997995519:0}, ldvarg3={-70368760954897:0}, ldvarg4={-145135534866432:0}, ldvarg5={-145135534866429:0}, ldvarg6={-145135534800895:0}, ldvarg7={-150624503062525:0}, ldvarg8={9223351549860765694:0}, ldvarg9={-70368760954905:0}, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0, tmp={9223351549860765694:0}, tmp___0={-208778360266753:0}, tmp___1={2740189126647:0}, tmp___2=1, tmp___3=9, tmp___4=0] [L5792] CALL ldv_check_final_state() [L5914] COND TRUE ldv_module_refcounter != 1 VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L5915] CALL ldv_error() VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] [L5816] reach_error() VAL [__this_module={549755813888:-9223372036854775808}, cluster_ops={77:0}, cluster_ops_group0={-164660456202241:0}, cluster_ops_group1={21431886798845:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={76:0}, md_ls_ops_group0={-165622528876546:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 565 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.4s, OverallIterations: 15, TraceHistogramMax: 65, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4054 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3961 mSDsluCounter, 65904 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54018 mSDsCounter, 655 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2258 IncrementalHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 655 mSolverCounterUnsat, 11886 mSDtfsCounter, 2258 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5650 GetRequests, 5487 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2098occurred in iteration=14, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 1319 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 26.0s SatisfiabilityAnalysisTime, 22.0s InterpolantComputationTime, 4022 NumberOfCodeBlocks, 2920 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5602 ConstructedInterpolants, 0 QuantifiedInterpolants, 6855 SizeOfPredicates, 20 NumberOfNonLiveVariables, 15092 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 21 InterpolantComputations, 7 PerfectInterpolantSequences, 35869/38066 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-18 06:01:44,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE