./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0 --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 90c61b75497317b12c9d391d7d4a544d584f34ea6d03f42a5607313e4466773e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:26:24,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:26:24,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:26:24,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:26:24,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:26:24,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:26:24,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:26:24,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:26:24,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:26:24,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:26:24,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:26:24,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:26:24,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:26:24,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:26:24,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:26:24,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:26:24,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:26:24,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:26:24,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:26:24,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:26:24,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:26:24,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:26:24,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:26:24,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:26:24,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:26:24,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:26:24,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:26:24,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:26:24,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:26:24,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:26:24,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:26:24,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:26:24,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:26:24,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:26:24,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:26:24,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:26:24,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:26:24,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:26:24,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:26:24,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:26:24,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:26:24,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 14:26:24,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:26:24,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:26:24,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:26:24,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:26:24,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:26:24,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:26:24,940 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:26:24,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:26:24,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:26:24,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:26:24,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:26:24,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:26:24,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:26:24,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:26:24,941 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:26:24,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:26:24,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:26:24,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:26:24,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:26:24,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:26:24,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:26:24,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:26:24,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:26:24,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:26:24,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:26:24,943 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:26:24,943 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:26:24,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:26:24,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:26:24,944 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_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90c61b75497317b12c9d391d7d4a544d584f34ea6d03f42a5607313e4466773e [2021-11-22 14:26:25,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:26:25,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:26:25,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:26:25,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:26:25,304 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:26:25,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i [2021-11-22 14:26:25,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/data/5c293cec0/045cbfdc812d4a2ca8130ebd80f1eabf/FLAG5e8eb32ce [2021-11-22 14:26:26,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:26:26,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i [2021-11-22 14:26:26,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/data/5c293cec0/045cbfdc812d4a2ca8130ebd80f1eabf/FLAG5e8eb32ce [2021-11-22 14:26:27,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/data/5c293cec0/045cbfdc812d4a2ca8130ebd80f1eabf [2021-11-22 14:26:27,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:26:27,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:26:27,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:26:27,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:26:27,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:26:27,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:26:27" (1/1) ... [2021-11-22 14:26:27,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e335d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:27, skipping insertion in model container [2021-11-22 14:26:27,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:26:27" (1/1) ... [2021-11-22 14:26:27,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:26:27,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:26:39,080 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_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i[897390,897403] [2021-11-22 14:26:39,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:26:39,503 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:26:40,785 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_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i[897390,897403] [2021-11-22 14:26:40,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:26:41,461 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:26:41,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41 WrapperNode [2021-11-22 14:26:41,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:26:41,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:26:41,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:26:41,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:26:41,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (1/1) ... [2021-11-22 14:26:41,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (1/1) ... [2021-11-22 14:26:43,929 INFO L137 Inliner]: procedures = 794, calls = 11109, calls flagged for inlining = 2277, calls inlined = 4026, statements flattened = 61756 [2021-11-22 14:26:43,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:26:43,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:26:43,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:26:43,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:26:43,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (1/1) ... [2021-11-22 14:26:43,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (1/1) ... [2021-11-22 14:26:44,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (1/1) ... [2021-11-22 14:26:44,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (1/1) ... [2021-11-22 14:26:46,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (1/1) ... [2021-11-22 14:26:46,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (1/1) ... [2021-11-22 14:26:46,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (1/1) ... [2021-11-22 14:26:47,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:26:47,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:26:47,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:26:47,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:26:47,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (1/1) ... [2021-11-22 14:26:47,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:26:47,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:26:47,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:26:47,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20b4483-39df-4f6b-89af-3bcf6ab79bb1/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:26:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2021-11-22 14:26:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2021-11-22 14:26:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-22 14:26:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-22 14:26:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2021-11-22 14:26:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2021-11-22 14:26:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-22 14:26:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-22 14:26:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2021-11-22 14:26:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2021-11-22 14:26:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-22 14:26:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-22 14:26:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-22 14:26:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-22 14:26:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2021-11-22 14:26:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2021-11-22 14:26:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:26:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-22 14:26:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-22 14:26:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-22 14:26:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-22 14:26:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-22 14:26:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-22 14:26:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 14:26:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:26:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-22 14:26:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-22 14:26:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 14:26:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 14:26:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-22 14:26:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-22 14:26:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-22 14:26:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-22 14:26:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2021-11-22 14:26:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2021-11-22 14:26:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2021-11-22 14:26:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2021-11-22 14:26:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2021-11-22 14:26:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2021-11-22 14:26:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2021-11-22 14:26:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2021-11-22 14:26:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-22 14:26:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-22 14:26:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2021-11-22 14:26:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2021-11-22 14:26:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:26:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:26:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-22 14:26:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-22 14:26:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2021-11-22 14:26:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2021-11-22 14:26:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 14:26:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-22 14:26:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-22 14:26:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-22 14:26:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:26:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 14:26:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-22 14:26:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-22 14:26:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-22 14:26:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-22 14:26:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-22 14:26:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-22 14:26:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-22 14:26:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-22 14:26:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-22 14:26:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-22 14:26:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-22 14:26:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:26:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-22 14:26:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-22 14:26:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2021-11-22 14:26:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2021-11-22 14:26:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2021-11-22 14:26:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2021-11-22 14:26:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-22 14:26:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-22 14:26:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-22 14:26:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-22 14:26:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-22 14:26:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-22 14:26:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:26:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2021-11-22 14:26:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2021-11-22 14:26:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 14:26:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 14:26:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2021-11-22 14:26:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2021-11-22 14:26:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2021-11-22 14:26:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2021-11-22 14:26:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2021-11-22 14:26:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2021-11-22 14:26:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-22 14:26:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-22 14:26:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-22 14:26:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-22 14:26:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-22 14:26:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-22 14:26:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-22 14:26:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-22 14:26:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-22 14:26:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-22 14:26:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 14:26:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 14:26:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2021-11-22 14:26:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2021-11-22 14:26:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2021-11-22 14:26:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2021-11-22 14:26:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-22 14:26:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-22 14:26:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2021-11-22 14:26:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2021-11-22 14:26:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-22 14:26:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-22 14:26:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-22 14:26:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-22 14:26:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-22 14:26:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-22 14:26:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2021-11-22 14:26:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2021-11-22 14:26:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2021-11-22 14:26:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2021-11-22 14:26:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 14:26:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-22 14:26:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-22 14:26:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2021-11-22 14:26:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2021-11-22 14:26:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2021-11-22 14:26:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2021-11-22 14:26:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-22 14:26:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-22 14:26:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-22 14:26:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-22 14:26:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 14:26:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-22 14:26:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-22 14:26:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-22 14:26:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-22 14:26:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2021-11-22 14:26:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2021-11-22 14:26:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2021-11-22 14:26:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2021-11-22 14:26:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-22 14:26:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-22 14:26:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-22 14:26:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-22 14:26:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-22 14:26:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-22 14:26:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-22 14:26:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-22 14:26:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-22 14:26:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-22 14:26:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2021-11-22 14:26:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2021-11-22 14:26:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-22 14:26:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-22 14:26:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-22 14:26:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-22 14:26:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-22 14:26:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-22 14:26:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2021-11-22 14:26:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2021-11-22 14:26:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:26:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-22 14:26:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-22 14:26:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-22 14:26:50,712 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:26:50,715 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:27:41,253 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:27:41,342 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:27:41,343 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-22 14:27:41,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:27:41 BoogieIcfgContainer [2021-11-22 14:27:41,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:27:41,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:27:41,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:27:41,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:27:41,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:26:27" (1/3) ... [2021-11-22 14:27:41,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d31632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:27:41, skipping insertion in model container [2021-11-22 14:27:41,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:26:41" (2/3) ... [2021-11-22 14:27:41,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d31632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:27:41, skipping insertion in model container [2021-11-22 14:27:41,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:27:41" (3/3) ... [2021-11-22 14:27:41,366 INFO L111 eAbstractionObserver]: Analyzing ICFG main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i [2021-11-22 14:27:41,373 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:27:41,373 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2021-11-22 14:27:41,473 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:27:41,479 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 14:27:41,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2021-11-22 14:27:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 11428 states, 11115 states have (on average 1.4211426000899685) internal successors, (15796), 11177 states have internal predecessors, (15796), 206 states have call successors, (206), 73 states have call predecessors, (206), 73 states have return successors, (206), 192 states have call predecessors, (206), 206 states have call successors, (206) [2021-11-22 14:27:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 14:27:41,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:27:41,724 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:27:41,725 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:27:41,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:27:41,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1062155746, now seen corresponding path program 1 times [2021-11-22 14:27:41,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:27:41,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745566194] [2021-11-22 14:27:41,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:27:41,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:27:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:27:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:27:43,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:27:43,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745566194] [2021-11-22 14:27:43,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745566194] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:27:43,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:27:43,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:27:43,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402465300] [2021-11-22 14:27:43,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:27:43,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:27:43,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:27:43,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:27:43,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:27:43,116 INFO L87 Difference]: Start difference. First operand has 11428 states, 11115 states have (on average 1.4211426000899685) internal successors, (15796), 11177 states have internal predecessors, (15796), 206 states have call successors, (206), 73 states have call predecessors, (206), 73 states have return successors, (206), 192 states have call predecessors, (206), 206 states have call successors, (206) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:27:44,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:27:44,719 INFO L93 Difference]: Finished difference Result 22804 states and 32565 transitions. [2021-11-22 14:27:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:27:44,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-22 14:27:44,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:27:44,849 INFO L225 Difference]: With dead ends: 22804 [2021-11-22 14:27:44,850 INFO L226 Difference]: Without dead ends: 11356 [2021-11-22 14:27:44,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:27:44,988 INFO L933 BasicCegarLoop]: 16040 mSDtfsCounter, 16024 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16024 SdHoareTripleChecker+Valid, 16052 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:27:44,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16024 Valid, 16052 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:27:45,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11356 states. [2021-11-22 14:27:45,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11356 to 11356. [2021-11-22 14:27:45,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11356 states, 11045 states have (on average 1.4108646446355817) internal successors, (15583), 11105 states have internal predecessors, (15583), 206 states have call successors, (206), 73 states have call predecessors, (206), 73 states have return successors, (206), 192 states have call predecessors, (206), 206 states have call successors, (206) [2021-11-22 14:27:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11356 states to 11356 states and 15995 transitions. [2021-11-22 14:27:45,656 INFO L78 Accepts]: Start accepts. Automaton has 11356 states and 15995 transitions. Word has length 11 [2021-11-22 14:27:45,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:27:45,657 INFO L470 AbstractCegarLoop]: Abstraction has 11356 states and 15995 transitions. [2021-11-22 14:27:45,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:27:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 11356 states and 15995 transitions. [2021-11-22 14:27:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 14:27:45,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:27:45,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:27:45,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:27:45,660 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:27:45,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:27:45,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1432945463, now seen corresponding path program 1 times [2021-11-22 14:27:45,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:27:45,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497704688] [2021-11-22 14:27:45,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:27:45,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:27:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:27:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:27:46,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:27:46,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497704688] [2021-11-22 14:27:46,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497704688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:27:46,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:27:46,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:27:46,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794496151] [2021-11-22 14:27:46,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:27:46,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:27:46,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:27:46,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:27:46,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:27:46,405 INFO L87 Difference]: Start difference. First operand 11356 states and 15995 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:27:47,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:27:47,608 INFO L93 Difference]: Finished difference Result 11356 states and 15995 transitions. [2021-11-22 14:27:47,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:27:47,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-22 14:27:47,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:27:47,712 INFO L225 Difference]: With dead ends: 11356 [2021-11-22 14:27:47,713 INFO L226 Difference]: Without dead ends: 11354 [2021-11-22 14:27:47,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:27:47,723 INFO L933 BasicCegarLoop]: 15992 mSDtfsCounter, 15975 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15975 SdHoareTripleChecker+Valid, 16004 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 14:27:47,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15975 Valid, 16004 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 14:27:47,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11354 states. [2021-11-22 14:27:48,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11354 to 11354. [2021-11-22 14:27:48,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11354 states, 11044 states have (on average 1.4108113002535314) internal successors, (15581), 11103 states have internal predecessors, (15581), 206 states have call successors, (206), 73 states have call predecessors, (206), 73 states have return successors, (206), 192 states have call predecessors, (206), 206 states have call successors, (206) [2021-11-22 14:27:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11354 states to 11354 states and 15993 transitions. [2021-11-22 14:27:48,489 INFO L78 Accepts]: Start accepts. Automaton has 11354 states and 15993 transitions. Word has length 12 [2021-11-22 14:27:48,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:27:48,490 INFO L470 AbstractCegarLoop]: Abstraction has 11354 states and 15993 transitions. [2021-11-22 14:27:48,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:27:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 11354 states and 15993 transitions. [2021-11-22 14:27:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 14:27:48,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:27:48,492 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:27:48,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:27:48,493 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:27:48,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:27:48,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1471671625, now seen corresponding path program 1 times [2021-11-22 14:27:48,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:27:48,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002632399] [2021-11-22 14:27:48,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:27:48,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:27:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:27:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:27:49,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:27:49,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002632399] [2021-11-22 14:27:49,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002632399] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:27:49,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:27:49,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:27:49,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889436474] [2021-11-22 14:27:49,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:27:49,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:27:49,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:27:49,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:27:49,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:27:49,174 INFO L87 Difference]: Start difference. First operand 11354 states and 15993 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:27:49,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:27:49,972 INFO L93 Difference]: Finished difference Result 11354 states and 15993 transitions. [2021-11-22 14:27:49,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:27:49,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-22 14:27:49,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:27:50,049 INFO L225 Difference]: With dead ends: 11354 [2021-11-22 14:27:50,049 INFO L226 Difference]: Without dead ends: 11352 [2021-11-22 14:27:50,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:27:50,060 INFO L933 BasicCegarLoop]: 15990 mSDtfsCounter, 15972 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15972 SdHoareTripleChecker+Valid, 16002 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:27:50,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15972 Valid, 16002 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:27:50,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11352 states. [2021-11-22 14:27:50,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11352 to 11352. [2021-11-22 14:27:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11352 states, 11043 states have (on average 1.4107579462102688) internal successors, (15579), 11101 states have internal predecessors, (15579), 206 states have call successors, (206), 73 states have call predecessors, (206), 73 states have return successors, (206), 192 states have call predecessors, (206), 206 states have call successors, (206) [2021-11-22 14:27:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11352 states to 11352 states and 15991 transitions. [2021-11-22 14:27:50,788 INFO L78 Accepts]: Start accepts. Automaton has 11352 states and 15991 transitions. Word has length 13 [2021-11-22 14:27:50,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:27:50,789 INFO L470 AbstractCegarLoop]: Abstraction has 11352 states and 15991 transitions. [2021-11-22 14:27:50,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:27:50,789 INFO L276 IsEmpty]: Start isEmpty. Operand 11352 states and 15991 transitions. [2021-11-22 14:27:50,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 14:27:50,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:27:50,791 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:27:50,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 14:27:50,791 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:27:50,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:27:50,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1622784638, now seen corresponding path program 1 times [2021-11-22 14:27:50,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:27:50,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368431827] [2021-11-22 14:27:50,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:27:50,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:27:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:27:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:27:51,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:27:51,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368431827] [2021-11-22 14:27:51,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368431827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:27:51,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:27:51,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:27:51,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315648370] [2021-11-22 14:27:51,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:27:51,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:27:51,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:27:51,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:27:51,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:27:51,545 INFO L87 Difference]: Start difference. First operand 11352 states and 15991 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:27:53,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:27:53,270 INFO L93 Difference]: Finished difference Result 31249 states and 44413 transitions. [2021-11-22 14:27:53,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:27:53,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-22 14:27:53,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:27:53,396 INFO L225 Difference]: With dead ends: 31249 [2021-11-22 14:27:53,397 INFO L226 Difference]: Without dead ends: 19910 [2021-11-22 14:27:53,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:27:53,478 INFO L933 BasicCegarLoop]: 16296 mSDtfsCounter, 14799 mSDsluCounter, 13233 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14799 SdHoareTripleChecker+Valid, 29529 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 14:27:53,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14799 Valid, 29529 Invalid, 120 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [46 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 14:27:53,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19910 states. [2021-11-22 14:27:54,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19910 to 19892. [2021-11-22 14:27:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19892 states, 19452 states have (on average 1.409777914867366) internal successors, (27423), 19542 states have internal predecessors, (27423), 309 states have call successors, (309), 122 states have call predecessors, (309), 102 states have return successors, (377), 250 states have call predecessors, (377), 309 states have call successors, (377) [2021-11-22 14:27:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19892 states to 19892 states and 28109 transitions. [2021-11-22 14:27:54,476 INFO L78 Accepts]: Start accepts. Automaton has 19892 states and 28109 transitions. Word has length 14 [2021-11-22 14:27:54,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:27:54,476 INFO L470 AbstractCegarLoop]: Abstraction has 19892 states and 28109 transitions. [2021-11-22 14:27:54,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:27:54,477 INFO L276 IsEmpty]: Start isEmpty. Operand 19892 states and 28109 transitions. [2021-11-22 14:27:54,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 14:27:54,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:27:54,478 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:27:54,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 14:27:54,479 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:27:54,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:27:54,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1233319028, now seen corresponding path program 1 times [2021-11-22 14:27:54,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:27:54,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342287271] [2021-11-22 14:27:54,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:27:54,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:27:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:27:55,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:27:55,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:27:55,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342287271] [2021-11-22 14:27:55,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342287271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:27:55,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:27:55,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:27:55,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181045267] [2021-11-22 14:27:55,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:27:55,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:27:55,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:27:55,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:27:55,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:27:55,091 INFO L87 Difference]: Start difference. First operand 19892 states and 28109 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:27:57,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:27:57,584 INFO L93 Difference]: Finished difference Result 59605 states and 85574 transitions. [2021-11-22 14:27:57,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:27:57,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-22 14:27:57,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:27:57,838 INFO L225 Difference]: With dead ends: 59605 [2021-11-22 14:27:57,838 INFO L226 Difference]: Without dead ends: 39721 [2021-11-22 14:27:58,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:27:58,221 INFO L933 BasicCegarLoop]: 17108 mSDtfsCounter, 16161 mSDsluCounter, 16174 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16161 SdHoareTripleChecker+Valid, 33282 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:27:58,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16161 Valid, 33282 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 14:27:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39721 states. [2021-11-22 14:27:59,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39721 to 37870. [2021-11-22 14:27:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37870 states, 37019 states have (on average 1.4147870012696182) internal successors, (52374), 37189 states have internal predecessors, (52374), 618 states have call successors, (618), 244 states have call predecessors, (618), 204 states have return successors, (1396), 481 states have call predecessors, (1396), 618 states have call successors, (1396) [2021-11-22 14:28:00,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37870 states to 37870 states and 54388 transitions. [2021-11-22 14:28:00,112 INFO L78 Accepts]: Start accepts. Automaton has 37870 states and 54388 transitions. Word has length 15 [2021-11-22 14:28:00,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:00,113 INFO L470 AbstractCegarLoop]: Abstraction has 37870 states and 54388 transitions. [2021-11-22 14:28:00,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:00,113 INFO L276 IsEmpty]: Start isEmpty. Operand 37870 states and 54388 transitions. [2021-11-22 14:28:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 14:28:00,120 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:00,120 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:00,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 14:28:00,120 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:28:00,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:00,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1761278369, now seen corresponding path program 1 times [2021-11-22 14:28:00,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:00,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87612577] [2021-11-22 14:28:00,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:00,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:00,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:00,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87612577] [2021-11-22 14:28:00,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87612577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:00,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:00,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:28:00,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135547297] [2021-11-22 14:28:00,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:00,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:00,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:00,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:00,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:00,979 INFO L87 Difference]: Start difference. First operand 37870 states and 54388 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:02,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:02,523 INFO L93 Difference]: Finished difference Result 75735 states and 108777 transitions. [2021-11-22 14:28:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:02,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-22 14:28:02,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:02,688 INFO L225 Difference]: With dead ends: 75735 [2021-11-22 14:28:02,688 INFO L226 Difference]: Without dead ends: 37878 [2021-11-22 14:28:02,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:02,832 INFO L933 BasicCegarLoop]: 15987 mSDtfsCounter, 0 mSDsluCounter, 15977 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31964 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:02,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 31964 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:28:02,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37878 states. [2021-11-22 14:28:04,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37878 to 37878. [2021-11-22 14:28:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37878 states, 37027 states have (on average 1.4146973829907905) internal successors, (52382), 37197 states have internal predecessors, (52382), 618 states have call successors, (618), 244 states have call predecessors, (618), 204 states have return successors, (1396), 481 states have call predecessors, (1396), 618 states have call successors, (1396) [2021-11-22 14:28:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37878 states to 37878 states and 54396 transitions. [2021-11-22 14:28:04,614 INFO L78 Accepts]: Start accepts. Automaton has 37878 states and 54396 transitions. Word has length 35 [2021-11-22 14:28:04,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:04,615 INFO L470 AbstractCegarLoop]: Abstraction has 37878 states and 54396 transitions. [2021-11-22 14:28:04,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:04,615 INFO L276 IsEmpty]: Start isEmpty. Operand 37878 states and 54396 transitions. [2021-11-22 14:28:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 14:28:04,619 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:04,619 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:04,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 14:28:04,620 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:28:04,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:04,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1174472355, now seen corresponding path program 1 times [2021-11-22 14:28:04,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:04,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862500180] [2021-11-22 14:28:04,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:04,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:05,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:05,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862500180] [2021-11-22 14:28:05,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862500180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:05,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:05,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:28:05,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533918466] [2021-11-22 14:28:05,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:05,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:05,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:05,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:05,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:05,121 INFO L87 Difference]: Start difference. First operand 37878 states and 54396 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:06,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:06,840 INFO L93 Difference]: Finished difference Result 75751 states and 108793 transitions. [2021-11-22 14:28:06,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:06,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-22 14:28:06,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:06,991 INFO L225 Difference]: With dead ends: 75751 [2021-11-22 14:28:06,991 INFO L226 Difference]: Without dead ends: 37886 [2021-11-22 14:28:07,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:07,139 INFO L933 BasicCegarLoop]: 15987 mSDtfsCounter, 0 mSDsluCounter, 15977 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31964 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:07,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 31964 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:28:07,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37886 states. [2021-11-22 14:28:08,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37886 to 37886. [2021-11-22 14:28:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37886 states, 37035 states have (on average 1.4146078034291887) internal successors, (52390), 37205 states have internal predecessors, (52390), 618 states have call successors, (618), 244 states have call predecessors, (618), 204 states have return successors, (1396), 481 states have call predecessors, (1396), 618 states have call successors, (1396) [2021-11-22 14:28:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37886 states to 37886 states and 54404 transitions. [2021-11-22 14:28:08,641 INFO L78 Accepts]: Start accepts. Automaton has 37886 states and 54404 transitions. Word has length 35 [2021-11-22 14:28:08,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:08,642 INFO L470 AbstractCegarLoop]: Abstraction has 37886 states and 54404 transitions. [2021-11-22 14:28:08,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 37886 states and 54404 transitions. [2021-11-22 14:28:08,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 14:28:08,646 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:08,646 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:08,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 14:28:08,647 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:28:08,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:08,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1854530725, now seen corresponding path program 1 times [2021-11-22 14:28:08,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:08,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070765003] [2021-11-22 14:28:08,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:08,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:09,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:09,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070765003] [2021-11-22 14:28:09,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070765003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:09,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:09,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:28:09,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49485274] [2021-11-22 14:28:09,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:09,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:28:09,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:09,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:28:09,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:28:09,508 INFO L87 Difference]: Start difference. First operand 37886 states and 54404 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:11,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:11,151 INFO L93 Difference]: Finished difference Result 76040 states and 109160 transitions. [2021-11-22 14:28:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:28:11,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-22 14:28:11,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:11,305 INFO L225 Difference]: With dead ends: 76040 [2021-11-22 14:28:11,305 INFO L226 Difference]: Without dead ends: 38167 [2021-11-22 14:28:11,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:28:11,568 INFO L933 BasicCegarLoop]: 16071 mSDtfsCounter, 92 mSDsluCounter, 32042 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 48113 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:11,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 48113 Invalid, 35 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:28:11,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38167 states. [2021-11-22 14:28:13,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38167 to 37902. [2021-11-22 14:28:13,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37902 states, 37051 states have (on average 1.4144287603573453) internal successors, (52406), 37221 states have internal predecessors, (52406), 618 states have call successors, (618), 244 states have call predecessors, (618), 204 states have return successors, (1396), 481 states have call predecessors, (1396), 618 states have call successors, (1396) [2021-11-22 14:28:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37902 states to 37902 states and 54420 transitions. [2021-11-22 14:28:13,400 INFO L78 Accepts]: Start accepts. Automaton has 37902 states and 54420 transitions. Word has length 35 [2021-11-22 14:28:13,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:13,401 INFO L470 AbstractCegarLoop]: Abstraction has 37902 states and 54420 transitions. [2021-11-22 14:28:13,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 37902 states and 54420 transitions. [2021-11-22 14:28:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 14:28:13,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:13,402 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:13,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 14:28:13,403 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:28:13,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:13,403 INFO L85 PathProgramCache]: Analyzing trace with hash -259501208, now seen corresponding path program 1 times [2021-11-22 14:28:13,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:13,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757963890] [2021-11-22 14:28:13,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:13,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:13,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:13,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757963890] [2021-11-22 14:28:13,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757963890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:13,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:13,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:28:13,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389858327] [2021-11-22 14:28:13,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:13,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:28:13,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:13,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:28:13,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:28:13,940 INFO L87 Difference]: Start difference. First operand 37902 states and 54420 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:15,561 INFO L93 Difference]: Finished difference Result 75815 states and 108857 transitions. [2021-11-22 14:28:15,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:28:15,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-22 14:28:15,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:15,696 INFO L225 Difference]: With dead ends: 75815 [2021-11-22 14:28:15,696 INFO L226 Difference]: Without dead ends: 37926 [2021-11-22 14:28:15,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:28:15,869 INFO L933 BasicCegarLoop]: 15983 mSDtfsCounter, 6 mSDsluCounter, 31952 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 47935 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:15,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 47935 Invalid, 33 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:28:15,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37926 states. [2021-11-22 14:28:17,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37926 to 37918. [2021-11-22 14:28:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37918 states, 37067 states have (on average 1.4142498718536705) internal successors, (52422), 37237 states have internal predecessors, (52422), 618 states have call successors, (618), 244 states have call predecessors, (618), 204 states have return successors, (1396), 481 states have call predecessors, (1396), 618 states have call successors, (1396) [2021-11-22 14:28:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37918 states to 37918 states and 54436 transitions. [2021-11-22 14:28:17,392 INFO L78 Accepts]: Start accepts. Automaton has 37918 states and 54436 transitions. Word has length 37 [2021-11-22 14:28:17,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:17,392 INFO L470 AbstractCegarLoop]: Abstraction has 37918 states and 54436 transitions. [2021-11-22 14:28:17,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 37918 states and 54436 transitions. [2021-11-22 14:28:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 14:28:17,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:17,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:17,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 14:28:17,394 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:28:17,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:17,394 INFO L85 PathProgramCache]: Analyzing trace with hash 441563370, now seen corresponding path program 1 times [2021-11-22 14:28:17,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:17,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804797491] [2021-11-22 14:28:17,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:17,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:18,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:18,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:18,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804797491] [2021-11-22 14:28:18,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804797491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:18,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:18,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 14:28:18,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227489261] [2021-11-22 14:28:18,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:18,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 14:28:18,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:18,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 14:28:18,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:28:18,066 INFO L87 Difference]: Start difference. First operand 37918 states and 54436 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:24,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:28:26,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:28:28,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:28:29,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:28:36,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:28:37,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:28:41,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:28:43,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:29:02,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:29:04,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:29:07,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:29:08,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:29:09,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:29:09,859 INFO L93 Difference]: Finished difference Result 92647 states and 133450 transitions. [2021-11-22 14:29:09,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 14:29:09,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-22 14:29:09,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:29:10,237 INFO L225 Difference]: With dead ends: 92647 [2021-11-22 14:29:10,238 INFO L226 Difference]: Without dead ends: 54742 [2021-11-22 14:29:10,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-11-22 14:29:10,349 INFO L933 BasicCegarLoop]: 18388 mSDtfsCounter, 6949 mSDsluCounter, 84239 mSDsCounter, 0 mSdLazyCounter, 5642 mSolverCounterSat, 65 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6965 SdHoareTripleChecker+Valid, 102627 SdHoareTripleChecker+Invalid, 5712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 5642 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:29:10,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6965 Valid, 102627 Invalid, 5712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 5642 Invalid, 5 Unknown, 0 Unchecked, 50.0s Time] [2021-11-22 14:29:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54742 states. [2021-11-22 14:29:11,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54742 to 38004. [2021-11-22 14:29:11,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38004 states, 37153 states have (on average 1.4140715420019918) internal successors, (52537), 37323 states have internal predecessors, (52537), 618 states have call successors, (618), 244 states have call predecessors, (618), 204 states have return successors, (1396), 481 states have call predecessors, (1396), 618 states have call successors, (1396) [2021-11-22 14:29:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38004 states to 38004 states and 54551 transitions. [2021-11-22 14:29:11,789 INFO L78 Accepts]: Start accepts. Automaton has 38004 states and 54551 transitions. Word has length 37 [2021-11-22 14:29:11,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:29:11,790 INFO L470 AbstractCegarLoop]: Abstraction has 38004 states and 54551 transitions. [2021-11-22 14:29:11,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:29:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 38004 states and 54551 transitions. [2021-11-22 14:29:11,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 14:29:11,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:29:11,791 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:29:11,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 14:29:11,792 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-22 14:29:11,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:29:11,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1768323326, now seen corresponding path program 1 times [2021-11-22 14:29:11,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:29:11,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426660203] [2021-11-22 14:29:11,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:29:11,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:29:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:29:19,134 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.