./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b6cec80466d26e7f9fcd66257be2e9ddc0be03c06ed1a001e454a4fe37aa1e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:09,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:09,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:35:09,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:09,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:09,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:09,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:09,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:09,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:09,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:09,626 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:09,626 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:09,627 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:09,627 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:35:09,627 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:09,628 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:09,628 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:35:09,628 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:35:09,633 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:09,633 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:35:09,633 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:35:09,634 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:35:09,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:09,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:09,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:35:09,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:09,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:09,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:09,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:09,637 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:09,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:09,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:09,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:09,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:09,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:09,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:09,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:09,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:09,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:09,651 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:35:09,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:35:09,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:09,652 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:09,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:09,653 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b6cec80466d26e7f9fcd66257be2e9ddc0be03c06ed1a001e454a4fe37aa1e9 [2024-11-02 12:35:09,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:09,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:09,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:09,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:09,994 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:09,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-02 12:35:12,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:12,622 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:12,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2024-11-02 12:35:12,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/data/380fd5628/a7800b35f12a42abaee4dbda4b2b7ecc/FLAGcd5cdf7a0 [2024-11-02 12:35:12,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/data/380fd5628/a7800b35f12a42abaee4dbda4b2b7ecc [2024-11-02 12:35:12,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:12,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:12,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:12,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:12,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:12,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b8f9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12, skipping insertion in model container [2024-11-02 12:35:12,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:12,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:13,393 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2024-11-02 12:35:13,400 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2024-11-02 12:35:13,527 WARN L251 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_f9a7c16e-401c-4783-82dc-613988419561/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i[78841,78854] [2024-11-02 12:35:14,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:14,272 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:14,400 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2024-11-02 12:35:14,401 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2024-11-02 12:35:14,412 WARN L251 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_f9a7c16e-401c-4783-82dc-613988419561/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i[78841,78854] [2024-11-02 12:35:14,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:14,629 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:14,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14 WrapperNode [2024-11-02 12:35:14,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:14,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:14,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:14,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:14,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,806 INFO L138 Inliner]: procedures = 143, calls = 706, calls flagged for inlining = 57, calls inlined = 53, statements flattened = 2149 [2024-11-02 12:35:14,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:14,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:14,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:14,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:14,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:14,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:14,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:14,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:14,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:15,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:15,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:15,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a7c16e-401c-4783-82dc-613988419561/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:35:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-02 12:35:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-02 12:35:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2024-11-02 12:35:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2024-11-02 12:35:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:35:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-11-02 12:35:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-11-02 12:35:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:35:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:35:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:35:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:35:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-02 12:35:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-02 12:35:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-11-02 12:35:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-11-02 12:35:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2024-11-02 12:35:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2024-11-02 12:35:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:35:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:35:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-02 12:35:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-02 12:35:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-02 12:35:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-02 12:35:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-11-02 12:35:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-11-02 12:35:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-02 12:35:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-02 12:35:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2024-11-02 12:35:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2024-11-02 12:35:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:35:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-02 12:35:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-02 12:35:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:35:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:35:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-02 12:35:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-02 12:35:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-02 12:35:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-02 12:35:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:35:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:35:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2024-11-02 12:35:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2024-11-02 12:35:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2024-11-02 12:35:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2024-11-02 12:35:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2024-11-02 12:35:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2024-11-02 12:35:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:35:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:35:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2024-11-02 12:35:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2024-11-02 12:35:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2024-11-02 12:35:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2024-11-02 12:35:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:35:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:35:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:35:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2024-11-02 12:35:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2024-11-02 12:35:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-02 12:35:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-02 12:35:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2024-11-02 12:35:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2024-11-02 12:35:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2024-11-02 12:35:15,130 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2024-11-02 12:35:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:35:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:35:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:35:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 12:35:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 12:35:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2024-11-02 12:35:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2024-11-02 12:35:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-02 12:35:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-02 12:35:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-02 12:35:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-02 12:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2024-11-02 12:35:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2024-11-02 12:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-02 12:35:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-02 12:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-02 12:35:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-02 12:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:15,558 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:15,561 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:15,793 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:35:19,882 INFO L? ?]: Removed 772 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:19,882 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:20,493 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:20,493 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:35:20,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:20 BoogieIcfgContainer [2024-11-02 12:35:20,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:20,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:20,497 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:20,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:20,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:12" (1/3) ... [2024-11-02 12:35:20,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362a5f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:20, skipping insertion in model container [2024-11-02 12:35:20,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14" (2/3) ... [2024-11-02 12:35:20,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362a5f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:20, skipping insertion in model container [2024-11-02 12:35:20,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:20" (3/3) ... [2024-11-02 12:35:20,506 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2024-11-02 12:35:20,535 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:20,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:35:20,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:20,651 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a16f596, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:20,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:35:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 454 states, 301 states have (on average 1.3820598006644518) internal successors, (416), 313 states have internal predecessors, (416), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-02 12:35:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-02 12:35:20,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:20,682 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:20,683 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:20,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:20,687 INFO L85 PathProgramCache]: Analyzing trace with hash -16613235, now seen corresponding path program 1 times [2024-11-02 12:35:20,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:20,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192042008] [2024-11-02 12:35:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:20,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:35:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-02 12:35:21,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:35:21,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192042008] [2024-11-02 12:35:21,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192042008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:21,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:21,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:35:21,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955580188] [2024-11-02 12:35:21,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:21,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:35:21,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:35:21,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:35:21,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:35:21,939 INFO L87 Difference]: Start difference. First operand has 454 states, 301 states have (on average 1.3820598006644518) internal successors, (416), 313 states have internal predecessors, (416), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 12:35:23,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:25,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:27,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:29,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:29,084 INFO L93 Difference]: Finished difference Result 1344 states and 1927 transitions. [2024-11-02 12:35:29,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:35:29,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2024-11-02 12:35:29,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:29,120 INFO L225 Difference]: With dead ends: 1344 [2024-11-02 12:35:29,121 INFO L226 Difference]: Without dead ends: 879 [2024-11-02 12:35:29,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:35:29,138 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 627 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 2226 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-02 12:35:29,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 2226 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 320 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2024-11-02 12:35:29,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2024-11-02 12:35:29,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 868. [2024-11-02 12:35:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 590 states have (on average 1.352542372881356) internal successors, (798), 597 states have internal predecessors, (798), 211 states have call successors, (211), 67 states have call predecessors, (211), 66 states have return successors, (210), 206 states have call predecessors, (210), 210 states have call successors, (210) [2024-11-02 12:35:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1219 transitions. [2024-11-02 12:35:29,314 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1219 transitions. Word has length 65 [2024-11-02 12:35:29,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:29,315 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1219 transitions. [2024-11-02 12:35:29,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 12:35:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1219 transitions. [2024-11-02 12:35:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-02 12:35:29,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:29,323 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:29,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:35:29,324 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:29,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:29,328 INFO L85 PathProgramCache]: Analyzing trace with hash -72682620, now seen corresponding path program 1 times [2024-11-02 12:35:29,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:29,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76063449] [2024-11-02 12:35:29,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:29,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:35:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-02 12:35:29,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:35:29,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76063449] [2024-11-02 12:35:29,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76063449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:29,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:29,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:35:29,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592878694] [2024-11-02 12:35:29,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:29,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:35:29,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:35:29,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:35:29,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:35:29,860 INFO L87 Difference]: Start difference. First operand 868 states and 1219 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-02 12:35:31,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:32,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:32,459 INFO L93 Difference]: Finished difference Result 2299 states and 3209 transitions. [2024-11-02 12:35:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:35:32,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 66 [2024-11-02 12:35:32,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:32,471 INFO L225 Difference]: With dead ends: 2299 [2024-11-02 12:35:32,471 INFO L226 Difference]: Without dead ends: 1442 [2024-11-02 12:35:32,474 INFO L431 NwaCegarLoop]: 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 [2024-11-02 12:35:32,476 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 405 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-02 12:35:32,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1074 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2024-11-02 12:35:32,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2024-11-02 12:35:32,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1439. [2024-11-02 12:35:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 984 states have (on average 1.3526422764227641) internal successors, (1331), 995 states have internal predecessors, (1331), 336 states have call successors, (336), 119 states have call predecessors, (336), 118 states have return successors, (335), 327 states have call predecessors, (335), 335 states have call successors, (335) [2024-11-02 12:35:32,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2002 transitions. [2024-11-02 12:35:32,626 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 2002 transitions. Word has length 66 [2024-11-02 12:35:32,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:32,627 INFO L471 AbstractCegarLoop]: Abstraction has 1439 states and 2002 transitions. [2024-11-02 12:35:32,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-02 12:35:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2002 transitions. [2024-11-02 12:35:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-02 12:35:32,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:32,632 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:32,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:35:32,633 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:32,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:32,634 INFO L85 PathProgramCache]: Analyzing trace with hash -39184992, now seen corresponding path program 1 times [2024-11-02 12:35:32,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:32,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606942016] [2024-11-02 12:35:32,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:32,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:35:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-02 12:35:33,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:35:33,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606942016] [2024-11-02 12:35:33,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606942016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:33,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:33,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:35:33,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694122660] [2024-11-02 12:35:33,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:33,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:35:33,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:35:33,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:35:33,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:35:33,327 INFO L87 Difference]: Start difference. First operand 1439 states and 2002 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 12:35:35,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:37,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:39,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:40,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:40,158 INFO L93 Difference]: Finished difference Result 3192 states and 4410 transitions. [2024-11-02 12:35:40,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:35:40,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2024-11-02 12:35:40,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:40,171 INFO L225 Difference]: With dead ends: 3192 [2024-11-02 12:35:40,172 INFO L226 Difference]: Without dead ends: 2177 [2024-11-02 12:35:40,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:35:40,177 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 605 mSDsluCounter, 1616 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-02 12:35:40,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 2165 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 307 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2024-11-02 12:35:40,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2024-11-02 12:35:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 2154. [2024-11-02 12:35:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2154 states, 1478 states have (on average 1.3518267929634642) internal successors, (1998), 1488 states have internal predecessors, (1998), 498 states have call successors, (498), 178 states have call predecessors, (498), 177 states have return successors, (497), 491 states have call predecessors, (497), 497 states have call successors, (497) [2024-11-02 12:35:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2993 transitions. [2024-11-02 12:35:40,304 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2993 transitions. Word has length 66 [2024-11-02 12:35:40,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:40,306 INFO L471 AbstractCegarLoop]: Abstraction has 2154 states and 2993 transitions. [2024-11-02 12:35:40,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 12:35:40,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2993 transitions. [2024-11-02 12:35:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-02 12:35:40,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:40,311 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:40,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:35:40,312 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:40,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:40,313 INFO L85 PathProgramCache]: Analyzing trace with hash 476548700, now seen corresponding path program 1 times [2024-11-02 12:35:40,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:40,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704265230] [2024-11-02 12:35:40,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:40,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:35:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-02 12:35:40,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:35:40,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704265230] [2024-11-02 12:35:40,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704265230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:40,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:40,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:35:40,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605390618] [2024-11-02 12:35:40,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:40,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:35:40,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:35:40,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:35:40,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:35:40,906 INFO L87 Difference]: Start difference. First operand 2154 states and 2993 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 12:35:42,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:44,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:46,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:47,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:47,992 INFO L93 Difference]: Finished difference Result 6470 states and 8981 transitions. [2024-11-02 12:35:47,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:35:47,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2024-11-02 12:35:47,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:48,028 INFO L225 Difference]: With dead ends: 6470 [2024-11-02 12:35:48,028 INFO L226 Difference]: Without dead ends: 4333 [2024-11-02 12:35:48,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:35:48,040 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 606 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 2151 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-02 12:35:48,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 2151 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 309 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2024-11-02 12:35:48,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4333 states.