./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y --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 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:56:34,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:56:34,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:56:34,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:56:34,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:56:34,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:56:34,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:56:34,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:56:34,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:56:34,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:56:34,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:56:34,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:56:34,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:56:34,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:56:34,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:56:34,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:56:34,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:56:34,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:56:34,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:56:34,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:56:34,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:56:34,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:56:34,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:56:34,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:56:34,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:56:34,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:56:34,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:56:34,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:56:34,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:56:34,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:56:34,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:56:34,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:56:34,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:56:34,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:56:34,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:56:34,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:56:34,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:56:34,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:56:34,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:56:34,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:56:34,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:56:34,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 17:56:34,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:56:34,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:56:34,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:56:34,173 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:56:34,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:56:34,174 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:56:34,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:56:34,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:56:34,176 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:56:34,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:56:34,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:56:34,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:56:34,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:56:34,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:56:34,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:56:34,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:56:34,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:56:34,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:56:34,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:56:34,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:56:34,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:56:34,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:56:34,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:56:34,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:56:34,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:56:34,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:56:34,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:56:34,182 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:56:34,182 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:56:34,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:56:34,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:56:34,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2021-11-13 17:56:34,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:56:34,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:56:34,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:56:34,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:56:34,426 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:56:34,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-13 17:56:34,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/data/610bae0a5/d2b4c7f2a985484bbab17e898262f2c8/FLAGfc36329fc [2021-11-13 17:56:35,412 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:56:35,413 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-13 17:56:35,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/data/610bae0a5/d2b4c7f2a985484bbab17e898262f2c8/FLAGfc36329fc [2021-11-13 17:56:35,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/data/610bae0a5/d2b4c7f2a985484bbab17e898262f2c8 [2021-11-13 17:56:35,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:56:35,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:56:35,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:56:35,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:56:35,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:56:35,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:56:35" (1/1) ... [2021-11-13 17:56:35,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418088d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:35, skipping insertion in model container [2021-11-13 17:56:35,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:56:35" (1/1) ... [2021-11-13 17:56:35,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:56:35,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:56:38,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2021-11-13 17:56:38,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:56:38,287 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:56:38,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2021-11-13 17:56:38,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:56:38,980 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:56:38,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38 WrapperNode [2021-11-13 17:56:38,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:56:38,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:56:38,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:56:38,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:56:38,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (1/1) ... [2021-11-13 17:56:39,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (1/1) ... [2021-11-13 17:56:39,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:56:39,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:56:39,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:56:39,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:56:39,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (1/1) ... [2021-11-13 17:56:39,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (1/1) ... [2021-11-13 17:56:39,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (1/1) ... [2021-11-13 17:56:39,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (1/1) ... [2021-11-13 17:56:39,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (1/1) ... [2021-11-13 17:56:39,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (1/1) ... [2021-11-13 17:56:39,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (1/1) ... [2021-11-13 17:56:39,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:56:39,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:56:39,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:56:39,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:56:39,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (1/1) ... [2021-11-13 17:56:39,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:56:39,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:56:39,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:56:39,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8af121-394c-4a37-8a2e-168741658bb6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:56:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2021-11-13 17:56:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2021-11-13 17:56:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 17:56:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 17:56:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2021-11-13 17:56:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2021-11-13 17:56:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2021-11-13 17:56:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2021-11-13 17:56:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_8 [2021-11-13 17:56:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_8 [2021-11-13 17:56:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-11-13 17:56:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-11-13 17:56:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 17:56:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-13 17:56:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-13 17:56:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:56:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-13 17:56:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-13 17:56:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2021-11-13 17:56:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2021-11-13 17:56:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 17:56:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 17:56:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 17:56:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 17:56:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2021-11-13 17:56:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2021-11-13 17:56:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2021-11-13 17:56:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2021-11-13 17:56:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 17:56:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 17:56:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2021-11-13 17:56:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2021-11-13 17:56:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:56:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:56:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2021-11-13 17:56:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2021-11-13 17:56:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2021-11-13 17:56:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2021-11-13 17:56:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2021-11-13 17:56:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2021-11-13 17:56:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2021-11-13 17:56:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2021-11-13 17:56:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2021-11-13 17:56:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2021-11-13 17:56:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2021-11-13 17:56:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2021-11-13 17:56:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2021-11-13 17:56:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2021-11-13 17:56:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2021-11-13 17:56:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2021-11-13 17:56:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2021-11-13 17:56:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2021-11-13 17:56:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2021-11-13 17:56:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2021-11-13 17:56:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 17:56:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 17:56:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2021-11-13 17:56:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2021-11-13 17:56:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2021-11-13 17:56:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2021-11-13 17:56:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 17:56:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 17:56:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:56:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:56:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-11-13 17:56:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-11-13 17:56:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2021-11-13 17:56:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2021-11-13 17:56:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2021-11-13 17:56:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2021-11-13 17:56:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 17:56:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 17:56:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2021-11-13 17:56:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2021-11-13 17:56:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2021-11-13 17:56:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2021-11-13 17:56:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2021-11-13 17:56:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2021-11-13 17:56:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2021-11-13 17:56:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2021-11-13 17:56:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2021-11-13 17:56:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2021-11-13 17:56:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2021-11-13 17:56:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2021-11-13 17:56:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2021-11-13 17:56:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2021-11-13 17:56:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2021-11-13 17:56:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2021-11-13 17:56:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2021-11-13 17:56:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2021-11-13 17:56:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2021-11-13 17:56:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2021-11-13 17:56:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-11-13 17:56:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-11-13 17:56:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:56:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 17:56:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 17:56:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2021-11-13 17:56:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2021-11-13 17:56:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:56:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2021-11-13 17:56:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2021-11-13 17:56:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-13 17:56:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-13 17:56:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2021-11-13 17:56:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2021-11-13 17:56:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 17:56:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 17:56:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-11-13 17:56:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-11-13 17:56:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 17:56:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 17:56:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-11-13 17:56:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-11-13 17:56:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-13 17:56:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-13 17:56:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:56:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:56:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2021-11-13 17:56:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2021-11-13 17:56:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2021-11-13 17:56:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2021-11-13 17:56:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2021-11-13 17:56:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2021-11-13 17:56:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-13 17:56:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-13 17:56:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-13 17:56:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2021-11-13 17:56:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2021-11-13 17:56:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-13 17:56:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-13 17:56:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2021-11-13 17:56:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2021-11-13 17:56:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2021-11-13 17:56:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2021-11-13 17:56:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2021-11-13 17:56:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2021-11-13 17:56:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 17:56:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 17:56:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2021-11-13 17:56:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2021-11-13 17:56:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2021-11-13 17:56:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2021-11-13 17:56:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2021-11-13 17:56:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2021-11-13 17:56:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2021-11-13 17:56:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2021-11-13 17:56:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 17:56:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2021-11-13 17:56:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2021-11-13 17:56:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2021-11-13 17:56:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2021-11-13 17:56:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-13 17:56:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-13 17:56:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-13 17:56:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-13 17:56:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-13 17:56:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-13 17:56:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-11-13 17:56:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-11-13 17:56:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-13 17:56:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-13 17:56:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 17:56:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-11-13 17:56:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-11-13 17:56:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-11-13 17:56:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-11-13 17:56:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2021-11-13 17:56:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2021-11-13 17:56:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:56:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2021-11-13 17:56:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2021-11-13 17:56:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2021-11-13 17:56:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2021-11-13 17:56:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 17:56:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 17:56:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2021-11-13 17:56:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2021-11-13 17:56:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2021-11-13 17:56:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2021-11-13 17:56:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 17:56:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 17:56:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-11-13 17:56:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-11-13 17:56:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-11-13 17:56:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-11-13 17:56:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2021-11-13 17:56:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2021-11-13 17:56:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2021-11-13 17:56:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2021-11-13 17:56:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2021-11-13 17:56:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2021-11-13 17:56:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2021-11-13 17:56:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2021-11-13 17:56:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-13 17:56:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-13 17:56:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 17:56:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 17:56:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2021-11-13 17:56:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2021-11-13 17:56:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2021-11-13 17:56:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2021-11-13 17:56:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2021-11-13 17:56:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2021-11-13 17:56:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-13 17:56:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-13 17:56:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:56:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2021-11-13 17:56:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2021-11-13 17:56:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2021-11-13 17:56:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2021-11-13 17:56:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 17:56:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 17:56:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-13 17:56:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-13 17:56:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2021-11-13 17:56:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2021-11-13 17:56:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2021-11-13 17:56:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2021-11-13 17:56:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2021-11-13 17:56:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2021-11-13 17:56:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-11-13 17:56:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-11-13 17:56:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:56:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2021-11-13 17:56:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2021-11-13 17:56:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2021-11-13 17:56:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2021-11-13 17:56:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-13 17:56:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-13 17:56:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-11-13 17:56:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-11-13 17:56:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-13 17:56:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-13 17:56:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2021-11-13 17:56:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2021-11-13 17:56:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2021-11-13 17:56:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2021-11-13 17:56:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 17:56:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 17:56:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2021-11-13 17:56:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2021-11-13 17:56:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:56:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 17:56:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-13 17:56:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-13 17:56:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:56:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:56:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-13 17:56:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-13 17:56:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2021-11-13 17:56:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2021-11-13 17:56:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:56:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:56:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-11-13 17:56:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-11-13 17:56:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_8 [2021-11-13 17:56:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_8 [2021-11-13 17:56:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2021-11-13 17:56:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2021-11-13 17:56:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 17:56:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 17:56:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2021-11-13 17:56:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2021-11-13 17:56:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2021-11-13 17:56:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2021-11-13 17:56:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2021-11-13 17:56:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2021-11-13 17:56:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2021-11-13 17:56:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2021-11-13 17:56:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2021-11-13 17:56:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2021-11-13 17:56:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2021-11-13 17:56:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2021-11-13 17:56:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2021-11-13 17:56:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2021-11-13 17:56:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 17:56:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 17:56:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2021-11-13 17:56:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2021-11-13 17:56:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:56:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-13 17:56:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-13 17:56:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-13 17:56:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-13 17:56:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-11-13 17:56:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-11-13 17:56:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2021-11-13 17:56:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2021-11-13 17:56:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:56:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:56:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-13 17:56:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-13 17:56:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-13 17:56:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-13 17:56:41,805 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 17:56:59,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:56:59,986 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 17:56:59,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:56:59 BoogieIcfgContainer [2021-11-13 17:57:00,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:57:00,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:57:00,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:57:00,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:57:00,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:56:35" (1/3) ... [2021-11-13 17:57:00,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e147a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:57:00, skipping insertion in model container [2021-11-13 17:57:00,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:56:38" (2/3) ... [2021-11-13 17:57:00,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e147a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:57:00, skipping insertion in model container [2021-11-13 17:57:00,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:56:59" (3/3) ... [2021-11-13 17:57:00,027 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-13 17:57:00,032 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:57:00,033 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:57:00,093 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:57:00,100 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 [2021-11-13 17:57:00,100 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:57:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 2733 states, 1956 states have (on average 1.4161554192229038) internal successors, (2770), 2040 states have internal predecessors, (2770), 637 states have call successors, (637), 139 states have call predecessors, (637), 138 states have return successors, (622), 588 states have call predecessors, (622), 622 states have call successors, (622) [2021-11-13 17:57:00,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-13 17:57:00,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:57:00,221 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:57:00,222 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:57:00,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:57:00,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1298471814, now seen corresponding path program 1 times [2021-11-13 17:57:00,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:57:00,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762044578] [2021-11-13 17:57:00,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:57:00,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:57:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:57:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:57:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:57:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 17:57:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 17:57:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-13 17:57:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 17:57:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 17:57:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-13 17:57:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 17:57:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-13 17:57:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:57:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 17:57:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-13 17:57:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 17:57:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-13 17:57:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-13 17:57:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-13 17:57:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-13 17:57:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:02,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-11-13 17:57:02,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:57:02,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762044578] [2021-11-13 17:57:02,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762044578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:57:02,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:57:02,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 17:57:02,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80352803] [2021-11-13 17:57:02,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:57:02,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:57:02,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:57:02,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:57:02,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:57:02,496 INFO L87 Difference]: Start difference. First operand has 2733 states, 1956 states have (on average 1.4161554192229038) internal successors, (2770), 2040 states have internal predecessors, (2770), 637 states have call successors, (637), 139 states have call predecessors, (637), 138 states have return successors, (622), 588 states have call predecessors, (622), 622 states have call successors, (622) Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 17:57:04,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:06,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:08,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:58:01,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:58:01,536 INFO L93 Difference]: Finished difference Result 17471 states and 29591 transitions. [2021-11-13 17:58:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 17:58:01,538 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 285 [2021-11-13 17:58:01,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:58:01,718 INFO L225 Difference]: With dead ends: 17471 [2021-11-13 17:58:01,718 INFO L226 Difference]: Without dead ends: 14645 [2021-11-13 17:58:01,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-11-13 17:58:01,779 INFO L933 BasicCegarLoop]: 6574 mSDtfsCounter, 20812 mSDsluCounter, 21640 mSDsCounter, 0 mSdLazyCounter, 21376 mSolverCounterSat, 11355 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51755.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22071 SdHoareTripleChecker+Valid, 28214 SdHoareTripleChecker+Invalid, 32734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 303.64ms SdHoareTripleChecker+Time, 11355 IncrementalHoareTripleChecker+Valid, 21376 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57061.72ms IncrementalHoareTripleChecker+Time [2021-11-13 17:58:01,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22071 Valid, 28214 Invalid, 32734 Unknown, 0 Unchecked, 303.64ms Time], IncrementalHoareTripleChecker [11355 Valid, 21376 Invalid, 3 Unknown, 0 Unchecked, 57061.72ms Time] [2021-11-13 17:58:01,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14645 states. [2021-11-13 17:58:02,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14645 to 11965. [2021-11-13 17:58:02,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11965 states, 8581 states have (on average 1.4083440158489686) internal successors, (12085), 8883 states have internal predecessors, (12085), 2724 states have call successors, (2724), 551 states have call predecessors, (2724), 659 states have return successors, (3923), 2661 states have call predecessors, (3923), 2724 states have call successors, (3923) [2021-11-13 17:58:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11965 states to 11965 states and 18732 transitions. [2021-11-13 17:58:02,949 INFO L78 Accepts]: Start accepts. Automaton has 11965 states and 18732 transitions. Word has length 285 [2021-11-13 17:58:02,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:58:02,955 INFO L470 AbstractCegarLoop]: Abstraction has 11965 states and 18732 transitions. [2021-11-13 17:58:02,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 17:58:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand 11965 states and 18732 transitions. [2021-11-13 17:58:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-13 17:58:02,964 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:58:02,965 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:58:02,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:58:02,965 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:58:02,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:58:02,967 INFO L85 PathProgramCache]: Analyzing trace with hash 260072034, now seen corresponding path program 1 times [2021-11-13 17:58:02,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:58:02,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306109252] [2021-11-13 17:58:02,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:58:02,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:58:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:58:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:58:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:58:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 17:58:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 17:58:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-13 17:58:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 17:58:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 17:58:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-13 17:58:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 17:58:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-13 17:58:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:58:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 17:58:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-13 17:58:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 17:58:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-13 17:58:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-13 17:58:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-13 17:58:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-13 17:58:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-11-13 17:58:04,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:58:04,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306109252] [2021-11-13 17:58:04,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306109252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:58:04,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:58:04,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 17:58:04,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149842680] [2021-11-13 17:58:04,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:58:04,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:58:04,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:58:04,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:58:04,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:58:04,378 INFO L87 Difference]: Start difference. First operand 11965 states and 18732 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 17:58:06,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:58:08,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:58:10,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:58:54,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:58:54,730 INFO L93 Difference]: Finished difference Result 70305 states and 123758 transitions. [2021-11-13 17:58:54,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 17:58:54,733 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 286 [2021-11-13 17:58:54,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:58:55,259 INFO L225 Difference]: With dead ends: 70305 [2021-11-13 17:58:55,260 INFO L226 Difference]: Without dead ends: 58382 [2021-11-13 17:58:55,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-11-13 17:58:55,489 INFO L933 BasicCegarLoop]: 6436 mSDtfsCounter, 20205 mSDsluCounter, 20392 mSDsCounter, 0 mSdLazyCounter, 18552 mSolverCounterSat, 13145 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43268.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21464 SdHoareTripleChecker+Valid, 26828 SdHoareTripleChecker+Invalid, 31700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 202.38ms SdHoareTripleChecker+Time, 13145 IncrementalHoareTripleChecker+Valid, 18552 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47754.13ms IncrementalHoareTripleChecker+Time [2021-11-13 17:58:55,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21464 Valid, 26828 Invalid, 31700 Unknown, 0 Unchecked, 202.38ms Time], IncrementalHoareTripleChecker [13145 Valid, 18552 Invalid, 3 Unknown, 0 Unchecked, 47754.13ms Time] [2021-11-13 17:58:55,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58382 states. [2021-11-13 17:58:59,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58382 to 49866. [2021-11-13 17:58:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49866 states, 35699 states have (on average 1.4074904058937225) internal successors, (50246), 36953 states have internal predecessors, (50246), 11355 states have call successors, (11355), 2204 states have call predecessors, (11355), 2811 states have return successors, (21858), 11231 states have call predecessors, (21858), 11355 states have call successors, (21858) [2021-11-13 17:58:59,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49866 states to 49866 states and 83459 transitions. [2021-11-13 17:58:59,979 INFO L78 Accepts]: Start accepts. Automaton has 49866 states and 83459 transitions. Word has length 286 [2021-11-13 17:58:59,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:58:59,981 INFO L470 AbstractCegarLoop]: Abstraction has 49866 states and 83459 transitions. [2021-11-13 17:58:59,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 17:58:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand 49866 states and 83459 transitions. [2021-11-13 17:58:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-13 17:58:59,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:58:59,988 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:58:59,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:58:59,988 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:58:59,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:58:59,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1577411522, now seen corresponding path program 1 times [2021-11-13 17:58:59,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:58:59,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693479157] [2021-11-13 17:58:59,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:58:59,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:59:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:59:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:59:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:59:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 17:59:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 17:59:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-13 17:59:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 17:59:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 17:59:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-13 17:59:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 17:59:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-13 17:59:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:59:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 17:59:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-13 17:59:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:59:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 17:59:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-13 17:59:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-13 17:59:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-13 17:59:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-13 17:59:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:59:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:59:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-11-13 17:59:01,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:59:01,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693479157] [2021-11-13 17:59:01,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693479157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:59:01,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:59:01,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 17:59:01,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874140808] [2021-11-13 17:59:01,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:59:01,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:59:01,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:59:01,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:59:01,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:59:01,481 INFO L87 Difference]: Start difference. First operand 49866 states and 83459 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 17:59:03,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:05,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:07,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:56,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:59:56,657 INFO L93 Difference]: Finished difference Result 283118 states and 568715 transitions. [2021-11-13 17:59:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 17:59:56,658 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 287 [2021-11-13 17:59:56,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:59:59,518 INFO L225 Difference]: With dead ends: 283118 [2021-11-13 17:59:59,518 INFO L226 Difference]: Without dead ends: 233294 [2021-11-13 18:00:01,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-11-13 18:00:01,069 INFO L933 BasicCegarLoop]: 6181 mSDtfsCounter, 19795 mSDsluCounter, 20474 mSDsCounter, 0 mSdLazyCounter, 20028 mSolverCounterSat, 9671 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39562.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21076 SdHoareTripleChecker+Valid, 26655 SdHoareTripleChecker+Invalid, 29702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 200.06ms SdHoareTripleChecker+Time, 9671 IncrementalHoareTripleChecker+Valid, 20028 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44098.49ms IncrementalHoareTripleChecker+Time [2021-11-13 18:00:01,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21076 Valid, 26655 Invalid, 29702 Unknown, 0 Unchecked, 200.06ms Time], IncrementalHoareTripleChecker [9671 Valid, 20028 Invalid, 3 Unknown, 0 Unchecked, 44098.49ms Time] [2021-11-13 18:00:01,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233294 states. [2021-11-13 18:00:14,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233294 to 203200. [2021-11-13 18:00:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203200 states, 145355 states have (on average 1.4065150837604485) internal successors, (204444), 150423 states have internal predecessors, (204444), 46287 states have call successors, (46287), 8816 states have call predecessors, (46287), 11557 states have return successors, (131471), 46051 states have call predecessors, (131471), 46287 states have call successors, (131471) [2021-11-13 18:00:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203200 states to 203200 states and 382202 transitions. [2021-11-13 18:00:18,762 INFO L78 Accepts]: Start accepts. Automaton has 203200 states and 382202 transitions. Word has length 287 [2021-11-13 18:00:18,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:00:18,763 INFO L470 AbstractCegarLoop]: Abstraction has 203200 states and 382202 transitions. [2021-11-13 18:00:18,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 18:00:18,763 INFO L276 IsEmpty]: Start isEmpty. Operand 203200 states and 382202 transitions. [2021-11-13 18:00:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-13 18:00:18,768 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:00:18,769 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:00:18,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:00:18,769 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:00:18,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:00:18,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1878278938, now seen corresponding path program 1 times [2021-11-13 18:00:18,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:00:18,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068569816] [2021-11-13 18:00:18,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:00:18,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:00:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:00:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:00:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:00:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 18:00:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:00:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-13 18:00:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:00:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 18:00:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-13 18:00:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 18:00:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-13 18:00:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:00:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 18:00:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:19,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-13 18:00:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:00:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:00:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-13 18:00:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-13 18:00:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-13 18:00:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-13 18:00:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-11-13 18:00:20,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:00:20,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068569816] [2021-11-13 18:00:20,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068569816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:00:20,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:00:20,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 18:00:20,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319008350] [2021-11-13 18:00:20,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:00:20,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:00:20,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:00:20,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:00:20,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:00:20,205 INFO L87 Difference]: Start difference. First operand 203200 states and 382202 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-13 18:00:22,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:00:24,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:00:26,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:00:28,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []