./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa --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 1df443311be544582bda7fb8b919300ca36cfdb9a61007338486667c5bb71a5b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:00:44,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:00:44,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:00:44,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:00:44,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:00:44,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:00:44,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:00:44,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:00:44,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:00:44,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:00:44,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:00:44,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:00:44,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:00:44,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:00:44,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:00:44,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:00:44,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:00:44,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:00:44,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:00:44,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:00:44,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:00:44,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:00:44,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:00:44,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:00:44,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:00:44,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:00:44,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:00:44,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:00:44,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:00:44,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:00:44,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:00:44,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:00:44,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:00:44,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:00:44,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:00:44,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:00:44,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:00:44,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:00:44,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:00:44,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:00:44,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:00:44,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:00:44,403 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:00:44,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:00:44,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:00:44,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:00:44,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:00:44,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:00:44,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:00:44,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:00:44,405 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:00:44,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:00:44,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:00:44,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:00:44,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:00:44,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:00:44,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:00:44,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:00:44,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:00:44,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:00:44,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:00:44,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:00:44,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:00:44,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:00:44,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:00:44,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:00:44,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:00:44,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:00:44,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:00:44,407 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:00:44,407 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:00:44,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:00:44,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:00:44,408 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_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1df443311be544582bda7fb8b919300ca36cfdb9a61007338486667c5bb71a5b [2021-12-06 22:00:44,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:00:44,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:00:44,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:00:44,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:00:44,624 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:00:44,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-06 22:00:44,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/data/4d4f0a208/5bf8ad77ba5245478625c99fc43724a4/FLAG2ac5aed12 [2021-12-06 22:00:45,360 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:00:45,360 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-06 22:00:45,394 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/data/4d4f0a208/5bf8ad77ba5245478625c99fc43724a4/FLAG2ac5aed12 [2021-12-06 22:00:45,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/data/4d4f0a208/5bf8ad77ba5245478625c99fc43724a4 [2021-12-06 22:00:45,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:00:45,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:00:45,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:00:45,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:00:45,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:00:45,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:00:45" (1/1) ... [2021-12-06 22:00:45,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74394e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:45, skipping insertion in model container [2021-12-06 22:00:45,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:00:45" (1/1) ... [2021-12-06 22:00:45,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:00:45,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:00:48,949 WARN L230 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_610f09b7-d90b-410c-ab85-5cc13332f3cb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i[504616,504629] [2021-12-06 22:00:48,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:00:49,030 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:00:49,599 WARN L230 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_610f09b7-d90b-410c-ab85-5cc13332f3cb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i[504616,504629] [2021-12-06 22:00:49,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:00:49,810 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:00:49,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49 WrapperNode [2021-12-06 22:00:49,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:00:49,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:00:49,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:00:49,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:00:49,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (1/1) ... [2021-12-06 22:00:49,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (1/1) ... [2021-12-06 22:00:50,120 INFO L137 Inliner]: procedures = 544, calls = 3926, calls flagged for inlining = 321, calls inlined = 275, statements flattened = 8543 [2021-12-06 22:00:50,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:00:50,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:00:50,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:00:50,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:00:50,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (1/1) ... [2021-12-06 22:00:50,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (1/1) ... [2021-12-06 22:00:50,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (1/1) ... [2021-12-06 22:00:50,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (1/1) ... [2021-12-06 22:00:50,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (1/1) ... [2021-12-06 22:00:50,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (1/1) ... [2021-12-06 22:00:50,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (1/1) ... [2021-12-06 22:00:50,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:00:50,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:00:50,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:00:50,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:00:50,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (1/1) ... [2021-12-06 22:00:50,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:00:50,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:00:50,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:00:50,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f09b7-d90b-410c-ab85-5cc13332f3cb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:00:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-12-06 22:00:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-12-06 22:00:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-12-06 22:00:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-12-06 22:00:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-12-06 22:00:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-12-06 22:00:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 22:00:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 22:00:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-06 22:00:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-06 22:00:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-06 22:00:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-06 22:00:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-12-06 22:00:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-12-06 22:00:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:00:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:00:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 22:00:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 22:00:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-06 22:00:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-06 22:00:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 22:00:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 22:00:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 22:00:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 22:00:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 22:00:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 22:00:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-12-06 22:00:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-12-06 22:00:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-06 22:00:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-06 22:00:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-06 22:00:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-06 22:00:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-12-06 22:00:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-12-06 22:00:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 22:00:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 22:00:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 22:00:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 22:00:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 22:00:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 22:00:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 22:00:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 22:00:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 22:00:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 22:00:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:00:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 22:00:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 22:00:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-12-06 22:00:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-12-06 22:00:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-06 22:00:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-06 22:00:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 22:00:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 22:00:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-06 22:00:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-06 22:00:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 22:00:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 22:00:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-06 22:00:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-06 22:00:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 22:00:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 22:00:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 22:00:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 22:00:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 22:00:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 22:00:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 22:00:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 22:00:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-12-06 22:00:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-12-06 22:00:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:00:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-12-06 22:00:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-12-06 22:00:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 22:00:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 22:00:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:00:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:00:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 22:00:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 22:00:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 22:00:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 22:00:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-06 22:00:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-06 22:00:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 22:00:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 22:00:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-06 22:00:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-06 22:00:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-06 22:00:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-06 22:00:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-12-06 22:00:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-12-06 22:00:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 22:00:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 22:00:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-12-06 22:00:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-12-06 22:00:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-12-06 22:00:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-12-06 22:00:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-06 22:00:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-06 22:00:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-12-06 22:00:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-12-06 22:00:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-12-06 22:00:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-12-06 22:00:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:00:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 22:00:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 22:00:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 22:00:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 22:00:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 22:00:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 22:00:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-06 22:00:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-06 22:00:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-06 22:00:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-06 22:00:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:00:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 22:00:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 22:00:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:00:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 22:00:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 22:00:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 22:00:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 22:00:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 22:00:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-12-06 22:00:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-12-06 22:00:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-12-06 22:00:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-12-06 22:00:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 22:00:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 22:00:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-06 22:00:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-06 22:00:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 22:00:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 22:00:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-12-06 22:00:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-12-06 22:00:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 22:00:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 22:00:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-06 22:00:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-06 22:00:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-06 22:00:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-06 22:00:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 22:00:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 22:00:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 22:00:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 22:00:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-12-06 22:00:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-12-06 22:00:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-12-06 22:00:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-12-06 22:00:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:00:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:00:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 22:00:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 22:00:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:00:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-12-06 22:00:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-12-06 22:00:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:00:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 22:00:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 22:00:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 22:00:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 22:00:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-06 22:00:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-06 22:00:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 22:00:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 22:00:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 22:00:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 22:00:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 22:00:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 22:00:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 22:00:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 22:00:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 22:00:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-12-06 22:00:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-12-06 22:00:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-06 22:00:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-06 22:00:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 22:00:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 22:00:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 22:00:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 22:00:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-12-06 22:00:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-12-06 22:00:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-06 22:00:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-06 22:00:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 22:00:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 22:00:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 22:00:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 22:00:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-06 22:00:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-06 22:00:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 22:00:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 22:00:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:00:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 22:00:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 22:00:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:00:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-06 22:00:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-06 22:00:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-06 22:00:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-06 22:00:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-12-06 22:00:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-12-06 22:00:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:00:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 22:00:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 22:00:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-06 22:00:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-06 22:00:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-12-06 22:00:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-12-06 22:00:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 22:00:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 22:00:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 22:00:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 22:00:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 22:00:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 22:00:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 22:00:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 22:00:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 22:00:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 22:00:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-12-06 22:00:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-12-06 22:00:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-12-06 22:00:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-12-06 22:00:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-06 22:00:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-06 22:00:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-06 22:00:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-06 22:00:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 22:00:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 22:00:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 22:00:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 22:00:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-12-06 22:00:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-12-06 22:00:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-12-06 22:00:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-12-06 22:00:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 22:00:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 22:00:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-12-06 22:00:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-12-06 22:00:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:00:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-12-06 22:00:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-12-06 22:00:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:00:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:00:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-12-06 22:00:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-12-06 22:00:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 22:00:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 22:00:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 22:00:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 22:00:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 22:00:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 22:00:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-06 22:00:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-06 22:00:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-12-06 22:00:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-12-06 22:00:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-06 22:00:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-06 22:00:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-12-06 22:00:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-12-06 22:00:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-06 22:00:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-06 22:00:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-12-06 22:00:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-12-06 22:00:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-06 22:00:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-06 22:00:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-12-06 22:00:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-12-06 22:00:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-12-06 22:00:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-12-06 22:00:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-12-06 22:00:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-12-06 22:00:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 22:00:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 22:00:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-06 22:00:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-06 22:00:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 22:00:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 22:00:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-12-06 22:00:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-12-06 22:00:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-06 22:00:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-06 22:00:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-06 22:00:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-06 22:00:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 22:00:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 22:00:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-06 22:00:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-06 22:00:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 22:00:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 22:00:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:00:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-12-06 22:00:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-12-06 22:00:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-06 22:00:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-06 22:00:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 22:00:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 22:00:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-12-06 22:00:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-12-06 22:00:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-06 22:00:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-06 22:00:51,179 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:00:51,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:00:51,333 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 22:14:33,996 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 22:14:34,059 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:14:34,078 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:14:34,078 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-06 22:14:34,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:14:34 BoogieIcfgContainer [2021-12-06 22:14:34,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:14:34,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:14:34,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:14:34,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:14:34,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:00:45" (1/3) ... [2021-12-06 22:14:34,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106cbdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:14:34, skipping insertion in model container [2021-12-06 22:14:34,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:00:49" (2/3) ... [2021-12-06 22:14:34,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106cbdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:14:34, skipping insertion in model container [2021-12-06 22:14:34,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:14:34" (3/3) ... [2021-12-06 22:14:34,088 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-06 22:14:34,091 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:14:34,091 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:14:34,137 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:14:34,142 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:14:34,142 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:14:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 2864 states, 2060 states have (on average 1.2917475728155339) internal successors, (2661), 2095 states have internal predecessors, (2661), 663 states have call successors, (663), 141 states have call predecessors, (663), 140 states have return successors, (652), 646 states have call predecessors, (652), 652 states have call successors, (652) [2021-12-06 22:14:34,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-06 22:14:34,223 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:14:34,223 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:14:34,224 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:14:34,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:14:34,228 INFO L85 PathProgramCache]: Analyzing trace with hash -414100059, now seen corresponding path program 1 times [2021-12-06 22:14:34,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:14:34,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292399975] [2021-12-06 22:14:34,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:14:34,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:14:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:14:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:14:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 22:14:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 22:14:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 22:14:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:14:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 22:14:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 22:14:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 22:14:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:35,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:14:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:14:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 22:14:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 22:14:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:14:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 22:14:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 22:14:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 22:14:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 22:14:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 22:14:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 22:14:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 22:14:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 22:14:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:14:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-06 22:14:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-06 22:14:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-12-06 22:14:36,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:14:36,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292399975] [2021-12-06 22:14:36,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292399975] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:14:36,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:14:36,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:14:36,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561745081] [2021-12-06 22:14:36,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:14:36,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:14:36,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:14:36,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:14:36,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:14:36,245 INFO L87 Difference]: Start difference. First operand has 2864 states, 2060 states have (on average 1.2917475728155339) internal successors, (2661), 2095 states have internal predecessors, (2661), 663 states have call successors, (663), 141 states have call predecessors, (663), 140 states have return successors, (652), 646 states have call predecessors, (652), 652 states have call successors, (652) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 22:14:38,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:40,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:44,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:49,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:51,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:53,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:02,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:15:02,593 INFO L93 Difference]: Finished difference Result 8492 states and 12079 transitions. [2021-12-06 22:15:02,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:15:02,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 269 [2021-12-06 22:15:02,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:15:02,680 INFO L225 Difference]: With dead ends: 8492 [2021-12-06 22:15:02,680 INFO L226 Difference]: Without dead ends: 5657 [2021-12-06 22:15:02,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:15:02,704 INFO L933 BasicCegarLoop]: 3947 mSDtfsCounter, 5428 mSDsluCounter, 3828 mSDsCounter, 0 mSdLazyCounter, 2726 mSolverCounterSat, 2183 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6025 SdHoareTripleChecker+Valid, 7775 SdHoareTripleChecker+Invalid, 4914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2183 IncrementalHoareTripleChecker+Valid, 2726 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:15:02,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6025 Valid, 7775 Invalid, 4914 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2183 Valid, 2726 Invalid, 5 Unknown, 0 Unchecked, 25.8s Time] [2021-12-06 22:15:02,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5657 states. [2021-12-06 22:15:02,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5657 to 5493. [2021-12-06 22:15:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5493 states, 3953 states have (on average 1.2625853781937768) internal successors, (4991), 4019 states have internal predecessors, (4991), 1262 states have call successors, (1262), 278 states have call predecessors, (1262), 277 states have return successors, (1259), 1247 states have call predecessors, (1259), 1259 states have call successors, (1259) [2021-12-06 22:15:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5493 states to 5493 states and 7512 transitions. [2021-12-06 22:15:02,989 INFO L78 Accepts]: Start accepts. Automaton has 5493 states and 7512 transitions. Word has length 269 [2021-12-06 22:15:02,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:15:02,991 INFO L470 AbstractCegarLoop]: Abstraction has 5493 states and 7512 transitions. [2021-12-06 22:15:02,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 22:15:02,991 INFO L276 IsEmpty]: Start isEmpty. Operand 5493 states and 7512 transitions. [2021-12-06 22:15:03,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-12-06 22:15:03,008 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:15:03,008 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 22, 22, 22, 22, 22, 22, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:15:03,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:15:03,009 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:15:03,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:15:03,009 INFO L85 PathProgramCache]: Analyzing trace with hash 362404458, now seen corresponding path program 1 times [2021-12-06 22:15:03,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:15:03,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248738035] [2021-12-06 22:15:03,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:15:03,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:15:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:15:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:15:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 22:15:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 22:15:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 22:15:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:15:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 22:15:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 22:15:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 22:15:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:15:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:15:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 22:15:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 22:15:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:15:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 22:15:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 22:15:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 22:15:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 22:15:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 22:15:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 22:15:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 22:15:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 22:15:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-06 22:15:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-06 22:15:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-06 22:15:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:15:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-06 22:15:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:15:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 22:15:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 22:15:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-06 22:15:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:04,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2395 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2385 trivial. 0 not checked. [2021-12-06 22:15:04,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:15:04,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248738035] [2021-12-06 22:15:04,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248738035] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:15:04,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:15:04,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:15:04,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553668572] [2021-12-06 22:15:04,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:15:04,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:15:04,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:15:04,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:15:04,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:15:04,281 INFO L87 Difference]: Start difference. First operand 5493 states and 7512 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-06 22:15:06,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:08,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:12,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:14,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:17,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []