./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--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d4a04f164f23bccd0af71a4f58b3950d923042f92e5233e5b981a5aec1f8e73c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:53:09,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:53:09,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:53:09,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:53:09,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:53:09,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:53:09,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:53:09,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:53:09,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:53:09,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:53:09,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:53:09,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:53:09,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:53:09,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:53:09,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:53:09,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:53:09,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:53:09,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:53:09,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:53:09,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:53:09,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:53:09,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:53:09,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:53:09,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:53:09,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:53:09,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:53:09,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:53:09,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:53:09,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:53:09,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:53:09,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:53:09,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:53:09,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:53:09,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:53:09,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:53:09,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:53:09,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:53:09,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:53:09,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:53:09,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:53:09,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:53:09,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:53:09,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:53:09,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:53:09,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:53:09,357 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:53:09,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:53:09,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:53:09,358 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:53:09,359 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:53:09,359 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:53:09,359 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:53:09,360 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:53:09,360 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:53:09,361 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:53:09,361 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:53:09,361 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:53:09,361 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:53:09,362 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:53:09,362 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:53:09,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:53:09,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:53:09,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:53:09,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:53:09,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:53:09,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:53:09,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:53:09,364 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:53:09,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:53:09,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:53:09,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:53:09,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:53:09,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:53:09,366 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:53:09,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:53:09,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:53:09,367 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:53:09,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:53:09,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:53:09,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:53:09,368 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_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4a04f164f23bccd0af71a4f58b3950d923042f92e5233e5b981a5aec1f8e73c [2022-11-23 14:53:09,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:53:09,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:53:09,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:53:09,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:53:09,681 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:53:09,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i [2022-11-23 14:53:12,918 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:53:13,964 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:53:13,966 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i [2022-11-23 14:53:14,038 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/data/4bf7a0966/7aecea3d00a54502aaa5ee8fd52f52e6/FLAG4147acad6 [2022-11-23 14:53:14,062 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/data/4bf7a0966/7aecea3d00a54502aaa5ee8fd52f52e6 [2022-11-23 14:53:14,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:53:14,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:53:14,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:14,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:53:14,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:53:14,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:14" (1/1) ... [2022-11-23 14:53:14,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786511a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:14, skipping insertion in model container [2022-11-23 14:53:14,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:14" (1/1) ... [2022-11-23 14:53:14,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:53:14,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:53:15,132 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5732] [2022-11-23 14:53:15,133 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5733-5734] [2022-11-23 14:53:15,945 WARN L237 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_e3279cd6-7a8b-41be-8435-944439bc15ae/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i[176188,176201] [2022-11-23 14:53:19,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:53:19,418 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:53:19,578 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5732] [2022-11-23 14:53:19,579 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5733-5734] [2022-11-23 14:53:19,611 WARN L237 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_e3279cd6-7a8b-41be-8435-944439bc15ae/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i[176188,176201] [2022-11-23 14:53:20,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:53:20,852 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:53:20,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20 WrapperNode [2022-11-23 14:53:20,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:20,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:53:20,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:53:20,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:53:20,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:21,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:21,479 INFO L138 Inliner]: procedures = 467, calls = 5633, calls flagged for inlining = 175, calls inlined = 173, statements flattened = 13495 [2022-11-23 14:53:21,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:53:21,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:53:21,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:53:21,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:53:21,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:21,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:21,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:21,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:22,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:22,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:22,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:22,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:22,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:53:22,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:53:22,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:53:22,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:53:22,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (1/1) ... [2022-11-23 14:53:22,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:53:22,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:53:22,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:53:22,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:53:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_ppc [2022-11-23 14:53:22,627 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_ppc [2022-11-23 14:53:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 14:53:22,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 14:53:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_build_and_issue_cmd_fusion [2022-11-23 14:53:22,628 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_build_and_issue_cmd_fusion [2022-11-23 14:53:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure MR_GetPhyParams [2022-11-23 14:53:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_GetPhyParams [2022-11-23 14:53:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_skinny [2022-11-23 14:53:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_skinny [2022-11-23 14:53:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure get_arm_from_strip [2022-11-23 14:53:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arm_from_strip [2022-11-23 14:53:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_set_dma_mask [2022-11-23 14:53:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_set_dma_mask [2022-11-23 14:53:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_adp_reset_xscale [2022-11-23 14:53:22,631 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_adp_reset_xscale [2022-11-23 14:53:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_init_mfi [2022-11-23 14:53:22,631 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_init_mfi [2022-11-23 14:53:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-23 14:53:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-23 14:53:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 14:53:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 14:53:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_teardown_frame_pool_fusion [2022-11-23 14:53:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_teardown_frame_pool_fusion [2022-11-23 14:53:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_free_cmds_fusion [2022-11-23 14:53:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_free_cmds_fusion [2022-11-23 14:53:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_slave_configure [2022-11-23 14:53:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_slave_configure [2022-11-23 14:53:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_internal_reset_defer_cmds [2022-11-23 14:53:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_internal_reset_defer_cmds [2022-11-23 14:53:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 14:53:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 14:53:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure mega_div64_32 [2022-11-23 14:53:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_div64_32 [2022-11-23 14:53:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_gen2 [2022-11-23 14:53:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_gen2 [2022-11-23 14:53:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2022-11-23 14:53:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2022-11-23 14:53:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 14:53:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 14:53:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_request_descriptor [2022-11-23 14:53:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_request_descriptor [2022-11-23 14:53:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure MR_ArPdGet [2022-11-23 14:53:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_ArPdGet [2022-11-23 14:53:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 14:53:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 14:53:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-23 14:53:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-23 14:53:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_cmd_dpc [2022-11-23 14:53:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_cmd_dpc [2022-11-23 14:53:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_flush_cache [2022-11-23 14:53:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_flush_cache [2022-11-23 14:53:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure get_row_from_strip [2022-11-23 14:53:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure get_row_from_strip [2022-11-23 14:53:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2022-11-23 14:53:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2022-11-23 14:53:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 14:53:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 14:53:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_29 [2022-11-23 14:53:22,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_29 [2022-11-23 14:53:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-11-23 14:53:22,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-11-23 14:53:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_int_cmd [2022-11-23 14:53:22,657 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_int_cmd [2022-11-23 14:53:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure mr_spanset_get_phy_params [2022-11-23 14:53:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mr_spanset_get_phy_params [2022-11-23 14:53:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_resume [2022-11-23 14:53:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_resume [2022-11-23 14:53:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_shutdown [2022-11-23 14:53:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_shutdown [2022-11-23 14:53:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-23 14:53:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 14:53:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 14:53:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-23 14:53:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-23 14:53:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_skinny [2022-11-23 14:53:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_skinny [2022-11-23 14:53:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:53:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 14:53:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 14:53:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_slave_alloc [2022-11-23 14:53:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_slave_alloc [2022-11-23 14:53:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-23 14:53:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-23 14:53:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure MR_LdSpanArrayGet [2022-11-23 14:53:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_LdSpanArrayGet [2022-11-23 14:53:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_timer [2022-11-23 14:53:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_timer [2022-11-23 14:53:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_ld_list [2022-11-23 14:53:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_ld_list [2022-11-23 14:53:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2022-11-23 14:53:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2022-11-23 14:53:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 14:53:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 14:53:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_ld_vf_affiliation [2022-11-23 14:53:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_ld_vf_affiliation [2022-11-23 14:53:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_register_aen [2022-11-23 14:53:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_register_aen [2022-11-23 14:53:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-23 14:53:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-23 14:53:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-23 14:53:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-23 14:53:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 14:53:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 14:53:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 14:53:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 14:53:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 14:53:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sync_map_info [2022-11-23 14:53:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sync_map_info [2022-11-23 14:53:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 14:53:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 14:53:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_sas_kill_hba [2022-11-23 14:53:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_sas_kill_hba [2022-11-23 14:53:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_queue_command_lck [2022-11-23 14:53:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_queue_command_lck [2022-11-23 14:53:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:53:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_start_aen [2022-11-23 14:53:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_start_aen [2022-11-23 14:53:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_isr_fusion [2022-11-23 14:53:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_isr_fusion [2022-11-23 14:53:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:53:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_xscale [2022-11-23 14:53:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_xscale [2022-11-23 14:53:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 14:53:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 14:53:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_first [2022-11-23 14:53:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_first [2022-11-23 14:53:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_blocked_cmd [2022-11-23 14:53:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_blocked_cmd [2022-11-23 14:53:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 14:53:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 14:53:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 14:53:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 14:53:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-23 14:53:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-23 14:53:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_do_ocr [2022-11-23 14:53:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_do_ocr [2022-11-23 14:53:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-23 14:53:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-23 14:53:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 14:53:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 14:53:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 14:53:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 14:53:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 14:53:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 14:53:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_gen2 [2022-11-23 14:53:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_gen2 [2022-11-23 14:53:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure MR_LdSpanPtrGet [2022-11-23 14:53:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_LdSpanPtrGet [2022-11-23 14:53:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_teardown_frame_pool [2022-11-23 14:53:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_teardown_frame_pool [2022-11-23 14:53:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_gen2 [2022-11-23 14:53:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_gen2 [2022-11-23 14:53:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-23 14:53:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-23 14:53:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fusion_ocr_wq [2022-11-23 14:53:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fusion_ocr_wq [2022-11-23 14:53:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_support_device_change [2022-11-23 14:53:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_support_device_change [2022-11-23 14:53:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-23 14:53:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-23 14:53:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_skinny [2022-11-23 14:53:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_skinny [2022-11-23 14:53:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_skinny [2022-11-23 14:53:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_skinny [2022-11-23 14:53:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_skinny [2022-11-23 14:53:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_skinny [2022-11-23 14:53:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_is_ldio [2022-11-23 14:53:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_is_ldio [2022-11-23 14:53:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-23 14:53:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-23 14:53:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:53:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-23 14:53:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-23 14:53:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_device [2022-11-23 14:53:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_device [2022-11-23 14:53:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure process_fw_state_change_wq [2022-11-23 14:53:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure process_fw_state_change_wq [2022-11-23 14:53:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:53:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_open [2022-11-23 14:53:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_open [2022-11-23 14:53:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure MR_TargetIdToLdGet [2022-11-23 14:53:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_TargetIdToLdGet [2022-11-23 14:53:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_ioctl_fw [2022-11-23 14:53:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_ioctl_fw [2022-11-23 14:53:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-23 14:53:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-23 14:53:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:53:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-23 14:53:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-23 14:53:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_bus_host [2022-11-23 14:53:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_bus_host [2022-11-23 14:53:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 14:53:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-23 14:53:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-23 14:53:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure get_strip_from_row [2022-11-23 14:53:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure get_strip_from_row [2022-11-23 14:53:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:53:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:53:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_return_cmd [2022-11-23 14:53:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_return_cmd [2022-11-23 14:53:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-23 14:53:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-23 14:53:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_shutdown_controller [2022-11-23 14:53:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_shutdown_controller [2022-11-23 14:53:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-23 14:53:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-23 14:53:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:53:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:53:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_lookup [2022-11-23 14:53:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_lookup [2022-11-23 14:53:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_ioc_init_fusion [2022-11-23 14:53:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_ioc_init_fusion [2022-11-23 14:53:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_return_cmd_fusion [2022-11-23 14:53:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_return_cmd_fusion [2022-11-23 14:53:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2022-11-23 14:53:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2022-11-23 14:53:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_ppc [2022-11-23 14:53:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_ppc [2022-11-23 14:53:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_init_fw [2022-11-23 14:53:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_init_fw [2022-11-23 14:53:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_xscale [2022-11-23 14:53:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_xscale [2022-11-23 14:53:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure wait_and_poll [2022-11-23 14:53:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_and_poll [2022-11-23 14:53:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2022-11-23 14:53:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2022-11-23 14:53:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 14:53:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 14:53:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 14:53:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 14:53:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_disable_intr_xscale [2022-11-23 14:53:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_disable_intr_xscale [2022-11-23 14:53:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_xscale [2022-11-23 14:53:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_xscale [2022-11-23 14:53:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sriov_start_heartbeat [2022-11-23 14:53:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sriov_start_heartbeat [2022-11-23 14:53:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2022-11-23 14:53:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2022-11-23 14:53:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_isr [2022-11-23 14:53:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_isr [2022-11-23 14:53:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_mpio_paths [2022-11-23 14:53:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_mpio_paths [2022-11-23 14:53:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-23 14:53:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-23 14:53:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-23 14:53:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-23 14:53:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 14:53:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 14:53:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-23 14:53:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-23 14:53:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_transition_to_ready [2022-11-23 14:53:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_transition_to_ready [2022-11-23 14:53:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-23 14:53:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-23 14:53:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:53:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:53:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_xscale [2022-11-23 14:53:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_xscale [2022-11-23 14:53:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_cmd_fusion [2022-11-23 14:53:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_cmd_fusion [2022-11-23 14:53:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_alloc_cmds [2022-11-23 14:53:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_alloc_cmds [2022-11-23 14:53:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 14:53:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 14:53:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_release_date [2022-11-23 14:53:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_release_date [2022-11-23 14:53:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-23 14:53:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-23 14:53:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 14:53:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_xscale [2022-11-23 14:53:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_xscale [2022-11-23 14:53:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:53:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2022-11-23 14:53:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2022-11-23 14:53:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 14:53:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 14:53:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-23 14:53:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-23 14:53:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_map_info [2022-11-23 14:53:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_map_info [2022-11-23 14:53:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_ppc [2022-11-23 14:53:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_ppc [2022-11-23 14:53:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-11-23 14:53:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-11-23 14:53:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 14:53:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 14:53:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_fasync [2022-11-23 14:53:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_fasync [2022-11-23 14:53:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 14:53:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-11-23 14:53:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-11-23 14:53:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_gen2 [2022-11-23 14:53:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_gen2 [2022-11-23 14:53:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_start_timer [2022-11-23 14:53:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_start_timer [2022-11-23 14:53:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-23 14:53:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-23 14:53:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 14:53:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 14:53:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 14:53:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 14:53:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure mega_mod64 [2022-11-23 14:53:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_mod64 [2022-11-23 14:53:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_10 [2022-11-23 14:53:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_10 [2022-11-23 14:53:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 14:53:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 14:53:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:53:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:53:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:53:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:53:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-23 14:53:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-23 14:53:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_fusion [2022-11-23 14:53:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_fusion [2022-11-23 14:53:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-23 14:53:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-23 14:53:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2022-11-23 14:53:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2022-11-23 14:53:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 14:53:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 14:53:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-23 14:53:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-23 14:53:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-23 14:53:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-23 14:53:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:53:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 14:53:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 14:53:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_disable_intr_fusion [2022-11-23 14:53:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_disable_intr_fusion [2022-11-23 14:53:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 14:53:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 14:53:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_adp_reset_gen2 [2022-11-23 14:53:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_adp_reset_gen2 [2022-11-23 14:53:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-11-23 14:53:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-11-23 14:53:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:53:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_dcmd_fusion [2022-11-23 14:53:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_dcmd_fusion [2022-11-23 14:53:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_and_restore_queue_depth [2022-11-23 14:53:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_and_restore_queue_depth [2022-11-23 14:53:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2022-11-23 14:53:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2022-11-23 14:53:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_cpu_mask [2022-11-23 14:53:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cpu_mask [2022-11-23 14:53:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_support_poll_for_event [2022-11-23 14:53:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_support_poll_for_event [2022-11-23 14:53:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:53:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure MR_PdDevHandleGet [2022-11-23 14:53:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_PdDevHandleGet [2022-11-23 14:53:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 14:53:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 14:53:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_init_adapter_mfi [2022-11-23 14:53:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_init_adapter_mfi [2022-11-23 14:53:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-23 14:53:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-23 14:53:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 14:53:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 14:53:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-11-23 14:53:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-11-23 14:53:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 14:53:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 14:53:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure MR_LdRaidGet [2022-11-23 14:53:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_LdRaidGet [2022-11-23 14:53:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2022-11-23 14:53:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2022-11-23 14:53:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 14:53:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 14:53:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 14:53:22,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 14:53:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_build_and_issue_cmd [2022-11-23 14:53:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_build_and_issue_cmd [2022-11-23 14:53:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_make_sgl_skinny [2022-11-23 14:53:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_make_sgl_skinny [2022-11-23 14:53:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-23 14:53:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-23 14:53:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-23 14:53:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-23 14:53:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-23 14:53:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-23 14:53:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_frame_count [2022-11-23 14:53:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_frame_count [2022-11-23 14:53:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_fusion [2022-11-23 14:53:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_fusion [2022-11-23 14:53:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_reply_desc [2022-11-23 14:53:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_reply_desc [2022-11-23 14:53:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_version [2022-11-23 14:53:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_version [2022-11-23 14:53:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_ioctl_aen [2022-11-23 14:53:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_ioctl_aen [2022-11-23 14:53:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 14:53:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 14:53:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_poll [2022-11-23 14:53:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_poll [2022-11-23 14:53:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_cmd_dpc_fusion [2022-11-23 14:53:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_cmd_dpc_fusion [2022-11-23 14:53:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_probe_one [2022-11-23 14:53:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_probe_one [2022-11-23 14:53:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_fusion [2022-11-23 14:53:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_fusion [2022-11-23 14:53:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_disable_intr_ppc [2022-11-23 14:53:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_disable_intr_ppc [2022-11-23 14:53:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure MR_ValidateMapInfo [2022-11-23 14:53:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_ValidateMapInfo [2022-11-23 14:53:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 14:53:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 14:53:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-11-23 14:53:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-11-23 14:53:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_fusion [2022-11-23 14:53:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_fusion [2022-11-23 14:53:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_free_cmds [2022-11-23 14:53:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_free_cmds [2022-11-23 14:53:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 14:53:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 14:53:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_adp_reset_fusion [2022-11-23 14:53:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_adp_reset_fusion [2022-11-23 14:53:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_blocked_abort_cmd [2022-11-23 14:53:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_blocked_abort_cmd [2022-11-23 14:53:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_release_fusion [2022-11-23 14:53:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_release_fusion [2022-11-23 14:53:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cmd_fusion [2022-11-23 14:53:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cmd_fusion [2022-11-23 14:53:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_lookup_instance [2022-11-23 14:53:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_lookup_instance [2022-11-23 14:53:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 14:53:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 14:53:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:53:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_queue_command [2022-11-23 14:53:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_queue_command [2022-11-23 14:53:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 14:53:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 14:53:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_dcmd [2022-11-23 14:53:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_dcmd [2022-11-23 14:53:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_pd_list [2022-11-23 14:53:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_pd_list [2022-11-23 14:53:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_generic_reset [2022-11-23 14:53:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_generic_reset [2022-11-23 14:53:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_device [2022-11-23 14:53:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_device [2022-11-23 14:53:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2022-11-23 14:53:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2022-11-23 14:53:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-23 14:53:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-23 14:53:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_cmd [2022-11-23 14:53:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_cmd [2022-11-23 14:53:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_dbg_lvl [2022-11-23 14:53:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_dbg_lvl [2022-11-23 14:53:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_release_mfi [2022-11-23 14:53:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_release_mfi [2022-11-23 14:53:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-23 14:53:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-23 14:53:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-23 14:53:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-23 14:53:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-23 14:53:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-23 14:53:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_fusion [2022-11-23 14:53:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_fusion [2022-11-23 14:53:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_cmd [2022-11-23 14:53:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_cmd [2022-11-23 14:53:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-23 14:53:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-23 14:53:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 14:53:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 14:53:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_wait_for_outstanding_fusion [2022-11-23 14:53:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_wait_for_outstanding_fusion [2022-11-23 14:53:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-23 14:53:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-23 14:53:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_ppc [2022-11-23 14:53:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_ppc [2022-11-23 14:53:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 14:53:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 14:53:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_fusion [2022-11-23 14:53:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_fusion [2022-11-23 14:53:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_ppc [2022-11-23 14:53:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_ppc [2022-11-23 14:53:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:53:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:53:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-23 14:53:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-23 14:53:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_ld_list_query [2022-11-23 14:53:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_ld_list_query [2022-11-23 14:53:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 14:53:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 14:53:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-23 14:53:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:53:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 14:53:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 14:53:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_detach_one [2022-11-23 14:53:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_detach_one [2022-11-23 14:53:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_polled [2022-11-23 14:53:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_polled [2022-11-23 14:53:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_init_adapter_fusion [2022-11-23 14:53:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_init_adapter_fusion [2022-11-23 14:53:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_make_sgl64 [2022-11-23 14:53:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_make_sgl64 [2022-11-23 14:53:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-23 14:53:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-23 14:53:24,845 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:53:24,853 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:53:29,198 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 14:53:50,170 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:53:58,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:53:58,599 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:53:58,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:58 BoogieIcfgContainer [2022-11-23 14:53:58,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:53:58,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:53:58,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:53:58,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:53:58,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:53:14" (1/3) ... [2022-11-23 14:53:58,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ab9bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:53:58, skipping insertion in model container [2022-11-23 14:53:58,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20" (2/3) ... [2022-11-23 14:53:58,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ab9bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:53:58, skipping insertion in model container [2022-11-23 14:53:58,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:58" (3/3) ... [2022-11-23 14:53:58,618 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i [2022-11-23 14:53:58,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:53:58,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:53:58,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:53:58,794 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47bcaab2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:53:58,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:53:58,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 4204 states, 2659 states have (on average 1.3798420458819105) internal successors, (3669), 2762 states have internal predecessors, (3669), 1305 states have call successors, (1305), 239 states have call predecessors, (1305), 238 states have return successors, (1290), 1263 states have call predecessors, (1290), 1290 states have call successors, (1290) [2022-11-23 14:53:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-23 14:53:58,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:53:58,876 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:53:58,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:53:58,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:53:58,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1434011144, now seen corresponding path program 1 times [2022-11-23 14:53:58,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:53:58,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795144518] [2022-11-23 14:53:58,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:53:58,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:53:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:54:00,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1449 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2022-11-23 14:54:00,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:54:00,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795144518] [2022-11-23 14:54:00,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795144518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:54:00,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:54:00,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:54:00,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173610977] [2022-11-23 14:54:00,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:54:00,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:54:00,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:54:00,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:54:00,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:54:00,492 INFO L87 Difference]: Start difference. First operand has 4204 states, 2659 states have (on average 1.3798420458819105) internal successors, (3669), 2762 states have internal predecessors, (3669), 1305 states have call successors, (1305), 239 states have call predecessors, (1305), 238 states have return successors, (1290), 1263 states have call predecessors, (1290), 1290 states have call successors, (1290) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-11-23 14:54:01,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:05,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:07,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:10,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:54:13,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:15,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:18,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:54:25,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:27,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:30,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:33,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:34,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:54:34,064 INFO L93 Difference]: Finished difference Result 12133 states and 18378 transitions. [2022-11-23 14:54:34,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:54:34,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 217 [2022-11-23 14:54:34,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:54:34,174 INFO L225 Difference]: With dead ends: 12133 [2022-11-23 14:54:34,174 INFO L226 Difference]: Without dead ends: 7933 [2022-11-23 14:54:34,223 INFO L412 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 [2022-11-23 14:54:34,227 INFO L413 NwaCegarLoop]: 6990 mSDtfsCounter, 5723 mSDsluCounter, 5627 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5743 SdHoareTripleChecker+Valid, 12617 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2022-11-23 14:54:34,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5743 Valid, 12617 Invalid, 1065 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1053 Invalid, 9 Unknown, 0 Unchecked, 32.8s Time] [2022-11-23 14:54:34,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7933 states. [2022-11-23 14:54:34,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7933 to 7922. [2022-11-23 14:54:34,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7922 states, 5036 states have (on average 1.374702144559174) internal successors, (6923), 5207 states have internal predecessors, (6923), 2426 states have call successors, (2426), 460 states have call predecessors, (2426), 459 states have return successors, (2445), 2364 states have call predecessors, (2445), 2425 states have call successors, (2445) [2022-11-23 14:54:34,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7922 states to 7922 states and 11794 transitions. [2022-11-23 14:54:34,990 INFO L78 Accepts]: Start accepts. Automaton has 7922 states and 11794 transitions. Word has length 217 [2022-11-23 14:54:34,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:54:34,996 INFO L495 AbstractCegarLoop]: Abstraction has 7922 states and 11794 transitions. [2022-11-23 14:54:34,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-11-23 14:54:34,998 INFO L276 IsEmpty]: Start isEmpty. Operand 7922 states and 11794 transitions. [2022-11-23 14:54:35,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-23 14:54:35,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:54:35,018 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:54:35,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:54:35,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:54:35,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:54:35,020 INFO L85 PathProgramCache]: Analyzing trace with hash -520585995, now seen corresponding path program 1 times [2022-11-23 14:54:35,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:54:35,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628981529] [2022-11-23 14:54:35,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:35,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:54:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:54:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2022-11-23 14:54:35,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:54:35,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628981529] [2022-11-23 14:54:35,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628981529] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:54:35,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814688955] [2022-11-23 14:54:35,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:54:35,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:54:35,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:54:35,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:54:35,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:54:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:54:38,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 4682 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:54:38,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:54:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2022-11-23 14:54:39,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:54:39,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814688955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:54:39,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:54:39,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-23 14:54:39,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253493679] [2022-11-23 14:54:39,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:54:39,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:54:39,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:54:39,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:54:39,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:54:39,056 INFO L87 Difference]: Start difference. First operand 7922 states and 11794 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 14:54:41,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:44,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:47,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:49,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:51,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:54:54,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:54:57,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:54:59,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:55:04,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:06,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:11,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:13,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:55:15,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:55:15,321 INFO L93 Difference]: Finished difference Result 23202 states and 34530 transitions. [2022-11-23 14:55:15,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:55:15,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 234 [2022-11-23 14:55:15,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:55:15,467 INFO L225 Difference]: With dead ends: 23202 [2022-11-23 14:55:15,468 INFO L226 Difference]: Without dead ends: 15347 [2022-11-23 14:55:15,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:55:15,532 INFO L413 NwaCegarLoop]: 7050 mSDtfsCounter, 5678 mSDsluCounter, 5623 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 25 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5698 SdHoareTripleChecker+Valid, 12673 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:55:15,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5698 Valid, 12673 Invalid, 1167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 1132 Invalid, 10 Unknown, 0 Unchecked, 35.3s Time] [2022-11-23 14:55:15,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15347 states. [2022-11-23 14:55:16,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15347 to 15332. [2022-11-23 14:55:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15332 states, 9760 states have (on average 1.3734631147540983) internal successors, (13405), 10104 states have internal predecessors, (13405), 4656 states have call successors, (4656), 918 states have call predecessors, (4656), 915 states have return successors, (4715), 4522 states have call predecessors, (4715), 4655 states have call successors, (4715) [2022-11-23 14:55:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15332 states to 15332 states and 22776 transitions. [2022-11-23 14:55:16,565 INFO L78 Accepts]: Start accepts. Automaton has 15332 states and 22776 transitions. Word has length 234 [2022-11-23 14:55:16,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:55:16,569 INFO L495 AbstractCegarLoop]: Abstraction has 15332 states and 22776 transitions. [2022-11-23 14:55:16,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 14:55:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 15332 states and 22776 transitions. [2022-11-23 14:55:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-23 14:55:16,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:55:16,579 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:55:16,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:55:16,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-23 14:55:16,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:55:16,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:55:16,796 INFO L85 PathProgramCache]: Analyzing trace with hash -972959122, now seen corresponding path program 1 times [2022-11-23 14:55:16,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:55:16,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457809630] [2022-11-23 14:55:16,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:55:16,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:55:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:55:17,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2022-11-23 14:55:17,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:55:17,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457809630] [2022-11-23 14:55:17,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457809630] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:55:17,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110201046] [2022-11-23 14:55:17,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:55:17,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:55:17,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:55:17,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:55:17,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:55:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:55:20,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 4690 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:55:20,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:55:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2022-11-23 14:55:20,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:55:20,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110201046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:55:20,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:55:20,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-23 14:55:20,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497365706] [2022-11-23 14:55:20,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:55:20,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:55:20,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:55:20,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:55:20,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:55:20,743 INFO L87 Difference]: Start difference. First operand 15332 states and 22776 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 14:55:22,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:25,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:28,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:55:30,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:34,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:36,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:55:42,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:43,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:45,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:48,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:50,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:55:55,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:55:55,651 INFO L93 Difference]: Finished difference Result 45543 states and 67661 transitions. [2022-11-23 14:55:55,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:55:55,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 238 [2022-11-23 14:55:55,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:55:55,882 INFO L225 Difference]: With dead ends: 45543 [2022-11-23 14:55:55,882 INFO L226 Difference]: Without dead ends: 30278 [2022-11-23 14:55:55,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:55:55,996 INFO L413 NwaCegarLoop]: 7035 mSDtfsCounter, 5856 mSDsluCounter, 5623 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 25 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5874 SdHoareTripleChecker+Valid, 12658 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:55:55,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5874 Valid, 12658 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1125 Invalid, 8 Unknown, 0 Unchecked, 33.9s Time] [2022-11-23 14:55:56,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30278 states. [2022-11-23 14:55:57,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30278 to 30262. [2022-11-23 14:55:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30262 states, 19291 states have (on average 1.371416722824115) internal successors, (26456), 19988 states have internal predecessors, (26456), 9141 states have call successors, (9141), 1834 states have call predecessors, (9141), 1829 states have return successors, (9281), 8864 states have call predecessors, (9281), 9140 states have call successors, (9281) [2022-11-23 14:55:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30262 states to 30262 states and 44878 transitions. [2022-11-23 14:55:57,770 INFO L78 Accepts]: Start accepts. Automaton has 30262 states and 44878 transitions. Word has length 238 [2022-11-23 14:55:57,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:55:57,771 INFO L495 AbstractCegarLoop]: Abstraction has 30262 states and 44878 transitions. [2022-11-23 14:55:57,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 14:55:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 30262 states and 44878 transitions. [2022-11-23 14:55:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-23 14:55:57,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:55:57,780 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:55:57,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:55:58,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:55:58,002 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:55:58,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:55:58,002 INFO L85 PathProgramCache]: Analyzing trace with hash -497126872, now seen corresponding path program 1 times [2022-11-23 14:55:58,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:55:58,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101065514] [2022-11-23 14:55:58,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:55:58,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:55:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:55:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2022-11-23 14:55:58,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:55:58,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101065514] [2022-11-23 14:55:58,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101065514] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:55:58,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217832071] [2022-11-23 14:55:58,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:55:58,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:55:58,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:55:58,507 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:55:58,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:56:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:56:01,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 4694 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:56:01,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:56:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2022-11-23 14:56:01,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:56:01,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217832071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:56:01,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:56:01,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-23 14:56:01,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766191978] [2022-11-23 14:56:01,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:56:01,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:56:01,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:56:01,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:56:01,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:56:01,856 INFO L87 Difference]: Start difference. First operand 30262 states and 44878 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 14:56:03,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:06,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:09,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:11,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:56:15,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:17,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:56:19,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:21,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:26,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:29,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:33,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:37,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:56:37,454 INFO L93 Difference]: Finished difference Result 89697 states and 132971 transitions. [2022-11-23 14:56:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:56:37,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 240 [2022-11-23 14:56:37,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:56:37,929 INFO L225 Difference]: With dead ends: 89697 [2022-11-23 14:56:37,930 INFO L226 Difference]: Without dead ends: 59502 [2022-11-23 14:56:38,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:56:38,291 INFO L413 NwaCegarLoop]: 7204 mSDtfsCounter, 5698 mSDsluCounter, 5623 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 25 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5718 SdHoareTripleChecker+Valid, 12827 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:56:38,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5718 Valid, 12827 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1134 Invalid, 9 Unknown, 0 Unchecked, 33.6s Time] [2022-11-23 14:56:38,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59502 states. [2022-11-23 14:56:41,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59502 to 59478. [2022-11-23 14:56:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59478 states, 37989 states have (on average 1.3695016978599068) internal successors, (52026), 39380 states have internal predecessors, (52026), 17835 states have call successors, (17835), 3666 states have call predecessors, (17835), 3653 states have return successors, (18125), 17268 states have call predecessors, (18125), 17834 states have call successors, (18125) [2022-11-23 14:56:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59478 states to 59478 states and 87986 transitions. [2022-11-23 14:56:41,842 INFO L78 Accepts]: Start accepts. Automaton has 59478 states and 87986 transitions. Word has length 240 [2022-11-23 14:56:41,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:56:41,843 INFO L495 AbstractCegarLoop]: Abstraction has 59478 states and 87986 transitions. [2022-11-23 14:56:41,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 14:56:41,844 INFO L276 IsEmpty]: Start isEmpty. Operand 59478 states and 87986 transitions. [2022-11-23 14:56:41,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-23 14:56:41,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:56:41,854 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:56:41,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:56:42,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:56:42,078 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:56:42,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:56:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1513927330, now seen corresponding path program 1 times [2022-11-23 14:56:42,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:56:42,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581084649] [2022-11-23 14:56:42,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:56:42,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:56:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:56:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2022-11-23 14:56:42,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:56:42,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581084649] [2022-11-23 14:56:42,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581084649] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:56:42,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107523112] [2022-11-23 14:56:42,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:56:42,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:56:42,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:56:42,997 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:56:43,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:56:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:56:46,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 4704 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:56:46,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:56:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2022-11-23 14:56:46,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:56:46,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107523112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:56:46,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:56:46,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-23 14:56:46,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492376005] [2022-11-23 14:56:46,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:56:46,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:56:46,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:56:46,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:56:46,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:56:46,372 INFO L87 Difference]: Start difference. First operand 59478 states and 87986 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 14:56:48,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:51,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:56:52,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:56,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:56:59,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:57:05,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:06,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:07,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:09,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:13,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:14,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:15,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:21,336 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 [] [2022-11-23 14:57:25,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:57:25,619 INFO L93 Difference]: Finished difference Result 177251 states and 262175 transitions. [2022-11-23 14:57:25,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:57:25,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 245 [2022-11-23 14:57:25,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:57:26,913 INFO L225 Difference]: With dead ends: 177251 [2022-11-23 14:57:26,914 INFO L226 Difference]: Without dead ends: 117840 [2022-11-23 14:57:27,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:57:27,306 INFO L413 NwaCegarLoop]: 7166 mSDtfsCounter, 5856 mSDsluCounter, 5622 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 25 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5874 SdHoareTripleChecker+Valid, 12788 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.8s IncrementalHoareTripleChecker+Time [2022-11-23 14:57:27,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5874 Valid, 12788 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1120 Invalid, 8 Unknown, 0 Unchecked, 34.8s Time] [2022-11-23 14:57:27,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117840 states. [2022-11-23 14:57:32,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117840 to 117828. [2022-11-23 14:57:33,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117828 states, 75397 states have (on average 1.3671366234730824) internal successors, (103078), 78172 states have internal predecessors, (103078), 35127 states have call successors, (35127), 7328 states have call predecessors, (35127), 7303 states have return successors, (35705), 34000 states have call predecessors, (35705), 35126 states have call successors, (35705) [2022-11-23 14:57:34,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117828 states to 117828 states and 173910 transitions. [2022-11-23 14:57:34,719 INFO L78 Accepts]: Start accepts. Automaton has 117828 states and 173910 transitions. Word has length 245 [2022-11-23 14:57:34,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:57:34,727 INFO L495 AbstractCegarLoop]: Abstraction has 117828 states and 173910 transitions. [2022-11-23 14:57:34,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 14:57:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 117828 states and 173910 transitions. [2022-11-23 14:57:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-23 14:57:34,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:57:34,749 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:57:34,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 14:57:34,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:57:34,969 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:57:34,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:57:34,970 INFO L85 PathProgramCache]: Analyzing trace with hash -402495777, now seen corresponding path program 1 times [2022-11-23 14:57:34,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:57:34,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416247219] [2022-11-23 14:57:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:57:34,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:57:35,245 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:57:35,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621125146] [2022-11-23 14:57:35,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:57:35,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:57:35,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:57:35,248 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:57:35,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3279cd6-7a8b-41be-8435-944439bc15ae/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 14:57:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:57:38,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 4795 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:57:38,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:57:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2022-11-23 14:57:38,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:57:38,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:57:38,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416247219] [2022-11-23 14:57:38,401 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:57:38,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621125146] [2022-11-23 14:57:38,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621125146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:57:38,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:57:38,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:57:38,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607681602] [2022-11-23 14:57:38,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:57:38,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:57:38,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:57:38,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:57:38,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:57:38,405 INFO L87 Difference]: Start difference. First operand 117828 states and 173910 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (39), 2 states have call predecessors, (39), 1 states have call successors, (39) [2022-11-23 14:57:40,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:44,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:57:46,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:48,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:51,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:52,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:57:57,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:58:00,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:58:03,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:58:08,883 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 [] [2022-11-23 14:58:13,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:58:13,136 INFO L93 Difference]: Finished difference Result 193271 states and 290778 transitions. [2022-11-23 14:58:13,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:58:13,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (39), 2 states have call predecessors, (39), 1 states have call successors, (39) Word has length 263 [2022-11-23 14:58:13,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:58:14,954 INFO L225 Difference]: With dead ends: 193271 [2022-11-23 14:58:14,954 INFO L226 Difference]: Without dead ends: 193268 [2022-11-23 14:58:15,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:58:15,066 INFO L413 NwaCegarLoop]: 8610 mSDtfsCounter, 6067 mSDsluCounter, 4038 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6070 SdHoareTripleChecker+Valid, 12648 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-11-23 14:58:15,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6070 Valid, 12648 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1102 Invalid, 8 Unknown, 0 Unchecked, 28.8s Time] [2022-11-23 14:58:15,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193268 states. [2022-11-23 14:58:24,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193268 to 187997. [2022-11-23 14:58:24,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187997 states, 121520 states have (on average 1.3780365371955234) internal successors, (167459), 125673 states have internal predecessors, (167459), 54056 states have call successors, (54056), 12499 states have call predecessors, (54056), 12420 states have return successors, (60034), 52137 states have call predecessors, (60034), 54055 states have call successors, (60034)