./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0 --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 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- 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-e04fb08 [2022-11-16 20:24:04,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:24:04,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:24:04,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:24:04,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:24:04,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:24:04,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:24:04,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:24:04,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:24:04,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:24:04,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:24:04,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:24:04,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:24:04,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:24:04,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:24:04,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:24:04,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:24:04,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:24:04,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:24:04,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:24:04,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:24:04,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:24:04,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:24:04,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:24:04,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:24:04,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:24:04,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:24:04,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:24:04,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:24:04,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:24:04,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:24:04,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:24:04,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:24:04,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:24:04,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:24:04,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:24:04,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:24:04,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:24:04,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:24:04,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:24:04,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:24:04,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 20:24:04,253 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:24:04,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:24:04,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:24:04,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:24:04,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:24:04,255 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:24:04,256 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:24:04,256 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:24:04,256 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:24:04,257 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:24:04,257 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:24:04,257 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:24:04,257 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:24:04,258 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:24:04,258 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:24:04,258 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:24:04,258 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:24:04,259 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:24:04,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:24:04,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:24:04,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:24:04,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:24:04,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:24:04,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:24:04,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:24:04,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:24:04,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:24:04,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:24:04,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:24:04,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:24:04,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:24:04,263 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:24:04,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:24:04,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:24:04,264 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:24:04,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:24:04,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:24:04,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:24:04,265 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_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-11-16 20:24:04,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:24:04,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:24:04,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:24:04,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:24:04,554 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:24:04,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-16 20:24:04,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/data/bc2901923/dd423013ead24615984e4f60677e5566/FLAG59e06b68b [2022-11-16 20:24:05,720 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:24:05,721 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-16 20:24:05,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/data/bc2901923/dd423013ead24615984e4f60677e5566/FLAG59e06b68b [2022-11-16 20:24:05,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/data/bc2901923/dd423013ead24615984e4f60677e5566 [2022-11-16 20:24:05,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:24:05,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:24:05,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:24:05,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:24:05,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:24:05,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:24:05" (1/1) ... [2022-11-16 20:24:05,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21161c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:05, skipping insertion in model container [2022-11-16 20:24:05,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:24:05" (1/1) ... [2022-11-16 20:24:06,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:24:06,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:24:11,015 WARN L229 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_e9201127-a395-4a8d-934f-59533a360124/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-11-16 20:24:11,018 WARN L229 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_e9201127-a395-4a8d-934f-59533a360124/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-11-16 20:24:11,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:24:11,138 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:24:11,745 WARN L229 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_e9201127-a395-4a8d-934f-59533a360124/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-11-16 20:24:11,746 WARN L229 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_e9201127-a395-4a8d-934f-59533a360124/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-11-16 20:24:11,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:24:12,096 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:24:12,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12 WrapperNode [2022-11-16 20:24:12,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:24:12,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:24:12,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:24:12,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:24:12,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:12,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:12,668 INFO L138 Inliner]: procedures = 586, calls = 6377, calls flagged for inlining = 287, calls inlined = 259, statements flattened = 12422 [2022-11-16 20:24:12,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:24:12,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:24:12,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:24:12,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:24:12,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:12,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:12,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:12,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:13,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:13,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:13,186 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:13,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:13,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:24:13,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:24:13,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:24:13,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:24:13,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (1/1) ... [2022-11-16 20:24:13,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:24:13,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:24:13,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:24:13,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9201127-a395-4a8d-934f-59533a360124/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:24:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-16 20:24:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-16 20:24:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 20:24:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 20:24:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-16 20:24:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-16 20:24:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-11-16 20:24:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-11-16 20:24:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 20:24:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 20:24:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-11-16 20:24:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-11-16 20:24:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-16 20:24:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-16 20:24:13,384 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-16 20:24:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-16 20:24:13,384 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-16 20:24:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-16 20:24:13,384 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 20:24:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 20:24:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-11-16 20:24:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-11-16 20:24:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-11-16 20:24:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-11-16 20:24:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-11-16 20:24:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-11-16 20:24:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-11-16 20:24:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-11-16 20:24:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-16 20:24:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-16 20:24:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-11-16 20:24:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-11-16 20:24:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-11-16 20:24:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-11-16 20:24:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-16 20:24:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-16 20:24:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 20:24:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 20:24:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-16 20:24:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-16 20:24:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-16 20:24:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-16 20:24:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-11-16 20:24:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-11-16 20:24:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-16 20:24:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-16 20:24:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 20:24:13,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 20:24:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:24:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-16 20:24:13,390 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-16 20:24:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-11-16 20:24:13,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-11-16 20:24:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 20:24:13,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 20:24:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-11-16 20:24:13,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-11-16 20:24:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 20:24:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 20:24:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 20:24:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-11-16 20:24:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-11-16 20:24:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-11-16 20:24:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-11-16 20:24:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-16 20:24:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-16 20:24:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-11-16 20:24:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-11-16 20:24:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 20:24:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 20:24:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 20:24:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-11-16 20:24:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-11-16 20:24:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-11-16 20:24:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-11-16 20:24:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:24:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-11-16 20:24:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-11-16 20:24:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-16 20:24:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-16 20:24:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-16 20:24:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-16 20:24:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 20:24:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 20:24:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-16 20:24:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-16 20:24:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-16 20:24:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-16 20:24:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-16 20:24:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-16 20:24:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-16 20:24:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-16 20:24:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 20:24:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 20:24:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-11-16 20:24:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-11-16 20:24:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-16 20:24:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-16 20:24:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-16 20:24:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-16 20:24:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-11-16 20:24:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-11-16 20:24:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-11-16 20:24:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-11-16 20:24:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-11-16 20:24:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-11-16 20:24:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:24:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-16 20:24:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-16 20:24:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-16 20:24:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-16 20:24:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-16 20:24:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-16 20:24:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-16 20:24:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-16 20:24:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:24:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-16 20:24:13,403 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-16 20:24:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 20:24:13,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 20:24:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 20:24:13,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 20:24:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 20:24:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 20:24:13,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 20:24:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-11-16 20:24:13,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-11-16 20:24:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-11-16 20:24:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-11-16 20:24:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 20:24:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 20:24:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-16 20:24:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-16 20:24:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-16 20:24:13,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-16 20:24:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-11-16 20:24:13,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-11-16 20:24:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-16 20:24:13,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-16 20:24:13,407 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-11-16 20:24:13,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-11-16 20:24:13,407 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-11-16 20:24:13,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-11-16 20:24:13,407 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-11-16 20:24:13,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-11-16 20:24:13,408 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-16 20:24:13,408 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-16 20:24:13,408 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 20:24:13,408 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 20:24:13,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-16 20:24:13,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-16 20:24:13,409 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-11-16 20:24:13,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-11-16 20:24:13,409 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-11-16 20:24:13,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-11-16 20:24:13,409 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-11-16 20:24:13,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-11-16 20:24:13,410 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-16 20:24:13,410 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-16 20:24:13,410 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 20:24:13,410 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 20:24:13,410 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-11-16 20:24:13,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-11-16 20:24:13,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:24:13,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:24:13,411 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-16 20:24:13,411 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-16 20:24:13,411 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-16 20:24:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-16 20:24:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 20:24:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 20:24:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 20:24:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 20:24:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-16 20:24:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-16 20:24:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-16 20:24:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-16 20:24:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-16 20:24:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-16 20:24:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-11-16 20:24:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-11-16 20:24:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-16 20:24:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-16 20:24:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-11-16 20:24:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-11-16 20:24:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-16 20:24:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-16 20:24:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 20:24:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 20:24:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 20:24:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 20:24:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-16 20:24:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-16 20:24:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-11-16 20:24:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-11-16 20:24:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-16 20:24:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-16 20:24:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-16 20:24:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-16 20:24:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-16 20:24:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-16 20:24:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-16 20:24:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-16 20:24:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:24:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-16 20:24:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-16 20:24:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-16 20:24:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-16 20:24:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 20:24:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-16 20:24:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-16 20:24:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 20:24:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-16 20:24:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-16 20:24:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-16 20:24:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-16 20:24:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 20:24:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 20:24:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 20:24:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 20:24:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 20:24:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 20:24:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-11-16 20:24:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-11-16 20:24:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-11-16 20:24:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-11-16 20:24:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-16 20:24:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-16 20:24:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-16 20:24:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-16 20:24:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-16 20:24:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-16 20:24:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 20:24:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 20:24:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-16 20:24:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-16 20:24:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 20:24:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 20:24:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-11-16 20:24:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-11-16 20:24:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-16 20:24:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-16 20:24:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 20:24:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 20:24:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:24:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-11-16 20:24:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-11-16 20:24:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 20:24:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 20:24:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-11-16 20:24:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-11-16 20:24:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-16 20:24:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-16 20:24:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-11-16 20:24:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-11-16 20:24:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-16 20:24:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-16 20:24:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-16 20:24:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-16 20:24:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-11-16 20:24:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-11-16 20:24:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-16 20:24:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-16 20:24:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-16 20:24:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-16 20:24:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-11-16 20:24:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-11-16 20:24:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-11-16 20:24:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-11-16 20:24:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-11-16 20:24:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-11-16 20:24:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-11-16 20:24:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-11-16 20:24:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-11-16 20:24:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-11-16 20:24:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 20:24:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 20:24:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-16 20:24:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-16 20:24:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-16 20:24:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-16 20:24:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-16 20:24:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-16 20:24:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-16 20:24:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-16 20:24:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:24:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-16 20:24:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-16 20:24:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-16 20:24:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-11-16 20:24:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-11-16 20:24:14,803 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:24:14,807 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:24:15,133 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 20:24:43,596 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-16 20:24:43,959 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:24:48,284 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:24:48,287 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 20:24:48,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:24:48 BoogieIcfgContainer [2022-11-16 20:24:48,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:24:48,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:24:48,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:24:48,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:24:48,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:24:05" (1/3) ... [2022-11-16 20:24:48,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e54b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:24:48, skipping insertion in model container [2022-11-16 20:24:48,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:12" (2/3) ... [2022-11-16 20:24:48,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e54b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:24:48, skipping insertion in model container [2022-11-16 20:24:48,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:24:48" (3/3) ... [2022-11-16 20:24:48,310 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-16 20:24:48,331 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:24:48,331 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-16 20:24:48,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:24:48,471 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;@658673cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:24:48,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-16 20:24:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 2560 states, 1475 states have (on average 1.2447457627118643) internal successors, (1836), 1510 states have internal predecessors, (1836), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) [2022-11-16 20:24:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-16 20:24:48,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:24:48,537 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:24:48,538 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:24:48,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:24:48,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1163341152, now seen corresponding path program 1 times [2022-11-16 20:24:48,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:24:48,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725315167] [2022-11-16 20:24:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:24:48,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:24:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:24:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-16 20:24:50,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:24:50,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725315167] [2022-11-16 20:24:50,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725315167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:24:50,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:24:50,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:24:50,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556522915] [2022-11-16 20:24:50,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:24:50,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:24:50,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:24:50,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:24:50,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:24:50,133 INFO L87 Difference]: Start difference. First operand has 2560 states, 1475 states have (on average 1.2447457627118643) internal successors, (1836), 1510 states have internal predecessors, (1836), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-16 20:24:52,914 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 [] [2022-11-16 20:24:58,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:03,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:05,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:25:05,144 INFO L93 Difference]: Finished difference Result 7105 states and 10433 transitions. [2022-11-16 20:25:05,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:25:05,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 197 [2022-11-16 20:25:05,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:25:05,209 INFO L225 Difference]: With dead ends: 7105 [2022-11-16 20:25:05,210 INFO L226 Difference]: Without dead ends: 4509 [2022-11-16 20:25:05,238 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 [2022-11-16 20:25:05,242 INFO L413 NwaCegarLoop]: 4151 mSDtfsCounter, 2918 mSDsluCounter, 3171 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 19 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2918 SdHoareTripleChecker+Valid, 7322 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:25:05,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2918 Valid, 7322 Invalid, 1104 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1082 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2022-11-16 20:25:05,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2022-11-16 20:25:05,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 4504. [2022-11-16 20:25:06,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4504 states, 2615 states have (on average 1.229827915869981) internal successors, (3216), 2670 states have internal predecessors, (3216), 1649 states have call successors, (1649), 238 states have call predecessors, (1649), 238 states have return successors, (1649), 1631 states have call predecessors, (1649), 1649 states have call successors, (1649) [2022-11-16 20:25:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4504 states to 4504 states and 6514 transitions. [2022-11-16 20:25:06,058 INFO L78 Accepts]: Start accepts. Automaton has 4504 states and 6514 transitions. Word has length 197 [2022-11-16 20:25:06,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:25:06,063 INFO L495 AbstractCegarLoop]: Abstraction has 4504 states and 6514 transitions. [2022-11-16 20:25:06,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-16 20:25:06,063 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 6514 transitions. [2022-11-16 20:25:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-16 20:25:06,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:25:06,070 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 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] [2022-11-16 20:25:06,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:25:06,071 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:25:06,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:25:06,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1434107587, now seen corresponding path program 1 times [2022-11-16 20:25:06,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:25:06,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568834497] [2022-11-16 20:25:06,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:25:06,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:25:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:25:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2022-11-16 20:25:06,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:25:06,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568834497] [2022-11-16 20:25:06,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568834497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:25:06,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:25:06,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:25:06,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22566840] [2022-11-16 20:25:06,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:25:06,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:25:06,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:25:06,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:25:06,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:25:06,739 INFO L87 Difference]: Start difference. First operand 4504 states and 6514 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-16 20:25:11,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:15,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:20,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:24,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:24,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:25:24,501 INFO L93 Difference]: Finished difference Result 11182 states and 16080 transitions. [2022-11-16 20:25:24,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:25:24,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 212 [2022-11-16 20:25:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:25:24,559 INFO L225 Difference]: With dead ends: 11182 [2022-11-16 20:25:24,560 INFO L226 Difference]: Without dead ends: 6711 [2022-11-16 20:25:24,582 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 [2022-11-16 20:25:24,585 INFO L413 NwaCegarLoop]: 3823 mSDtfsCounter, 2591 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 6903 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-16 20:25:24,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 6903 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1046 Invalid, 3 Unknown, 0 Unchecked, 17.4s Time] [2022-11-16 20:25:24,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2022-11-16 20:25:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6705. [2022-11-16 20:25:25,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6705 states, 3884 states have (on average 1.2188465499485066) internal successors, (4734), 3967 states have internal predecessors, (4734), 2433 states have call successors, (2433), 387 states have call predecessors, (2433), 386 states have return successors, (2434), 2403 states have call predecessors, (2434), 2433 states have call successors, (2434) [2022-11-16 20:25:25,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 9601 transitions. [2022-11-16 20:25:25,133 INFO L78 Accepts]: Start accepts. Automaton has 6705 states and 9601 transitions. Word has length 212 [2022-11-16 20:25:25,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:25:25,134 INFO L495 AbstractCegarLoop]: Abstraction has 6705 states and 9601 transitions. [2022-11-16 20:25:25,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-16 20:25:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 6705 states and 9601 transitions. [2022-11-16 20:25:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-16 20:25:25,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:25:25,140 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:25:25,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:25:25,141 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:25:25,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:25:25,141 INFO L85 PathProgramCache]: Analyzing trace with hash 637347482, now seen corresponding path program 1 times [2022-11-16 20:25:25,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:25:25,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869867622] [2022-11-16 20:25:25,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:25:25,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:25:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:25:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2022-11-16 20:25:26,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:25:26,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869867622] [2022-11-16 20:25:26,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869867622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:25:26,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:25:26,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:25:26,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235493235] [2022-11-16 20:25:26,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:25:26,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:25:26,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:25:26,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:25:26,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:25:26,147 INFO L87 Difference]: Start difference. First operand 6705 states and 9601 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 20:25:35,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:37,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:41,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:45,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:46,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:25:46,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:25:46,531 INFO L93 Difference]: Finished difference Result 15747 states and 22565 transitions. [2022-11-16 20:25:46,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:25:46,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 240 [2022-11-16 20:25:46,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:25:46,591 INFO L225 Difference]: With dead ends: 15747 [2022-11-16 20:25:46,592 INFO L226 Difference]: Without dead ends: 9075 [2022-11-16 20:25:46,630 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 [2022-11-16 20:25:46,631 INFO L413 NwaCegarLoop]: 5603 mSDtfsCounter, 2856 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2856 SdHoareTripleChecker+Valid, 8709 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:25:46,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2856 Valid, 8709 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1432 Invalid, 2 Unknown, 0 Unchecked, 20.0s Time] [2022-11-16 20:25:46,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9075 states. [2022-11-16 20:25:47,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9075 to 9069. [2022-11-16 20:25:47,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9069 states, 5259 states have (on average 1.2163909488495912) internal successors, (6397), 5369 states have internal predecessors, (6397), 3290 states have call successors, (3290), 519 states have call predecessors, (3290), 518 states have return successors, (3291), 3250 states have call predecessors, (3291), 3290 states have call successors, (3291) [2022-11-16 20:25:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9069 states to 9069 states and 12978 transitions. [2022-11-16 20:25:47,366 INFO L78 Accepts]: Start accepts. Automaton has 9069 states and 12978 transitions. Word has length 240 [2022-11-16 20:25:47,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:25:47,368 INFO L495 AbstractCegarLoop]: Abstraction has 9069 states and 12978 transitions. [2022-11-16 20:25:47,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 20:25:47,369 INFO L276 IsEmpty]: Start isEmpty. Operand 9069 states and 12978 transitions. [2022-11-16 20:25:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-16 20:25:47,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:25:47,385 INFO L195 NwaCegarLoop]: trace histogram [22, 16, 16, 16, 16, 16, 16, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:25:47,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 20:25:47,386 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:25:47,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:25:47,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1883535546, now seen corresponding path program 1 times [2022-11-16 20:25:47,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:25:47,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907437745] [2022-11-16 20:25:47,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:25:47,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:25:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:25:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-11-16 20:25:58,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:25:58,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907437745] [2022-11-16 20:25:58,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907437745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:25:58,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:25:58,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 20:25:58,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916357805] [2022-11-16 20:25:58,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:25:58,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 20:25:58,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:25:58,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 20:25:58,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 20:25:58,676 INFO L87 Difference]: Start difference. First operand 9069 states and 12978 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-16 20:26:11,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:26:21,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:26:26,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:26:31,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:26:40,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:26:42,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:26:49,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:26:50,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:26:50,580 INFO L93 Difference]: Finished difference Result 17417 states and 24888 transitions. [2022-11-16 20:26:50,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 20:26:50,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 302 [2022-11-16 20:26:50,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:26:50,719 INFO L225 Difference]: With dead ends: 17417 [2022-11-16 20:26:50,719 INFO L226 Difference]: Without dead ends: 17415 [2022-11-16 20:26:50,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 20:26:50,733 INFO L413 NwaCegarLoop]: 3976 mSDtfsCounter, 3253 mSDsluCounter, 13363 mSDsCounter, 0 mSdLazyCounter, 4130 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3265 SdHoareTripleChecker+Valid, 17339 SdHoareTripleChecker+Invalid, 4134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4130 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.6s IncrementalHoareTripleChecker+Time [2022-11-16 20:26:50,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3265 Valid, 17339 Invalid, 4134 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 4130 Invalid, 3 Unknown, 0 Unchecked, 49.6s Time] [2022-11-16 20:26:50,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17415 states. [2022-11-16 20:26:52,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17415 to 17407. [2022-11-16 20:26:52,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17407 states, 10116 states have (on average 1.2206405693950177) internal successors, (12348), 10338 states have internal predecessors, (12348), 6253 states have call successors, (6253), 1038 states have call predecessors, (6253), 1036 states have return successors, (6277), 6167 states have call predecessors, (6277), 6253 states have call successors, (6277) [2022-11-16 20:26:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17407 states to 17407 states and 24878 transitions. [2022-11-16 20:26:52,870 INFO L78 Accepts]: Start accepts. Automaton has 17407 states and 24878 transitions. Word has length 302 [2022-11-16 20:26:52,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:26:52,871 INFO L495 AbstractCegarLoop]: Abstraction has 17407 states and 24878 transitions. [2022-11-16 20:26:52,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-16 20:26:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 17407 states and 24878 transitions. [2022-11-16 20:26:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-16 20:26:52,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:26:52,886 INFO L195 NwaCegarLoop]: trace histogram [22, 16, 16, 16, 16, 16, 16, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:26:52,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 20:26:52,886 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:26:52,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:26:52,888 INFO L85 PathProgramCache]: Analyzing trace with hash -724161207, now seen corresponding path program 1 times [2022-11-16 20:26:52,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:26:52,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415312764] [2022-11-16 20:26:52,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:26:52,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:26:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:27:03,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked. [2022-11-16 20:27:03,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:27:03,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415312764] [2022-11-16 20:27:03,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415312764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:27:03,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:27:03,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 20:27:03,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360583966] [2022-11-16 20:27:03,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:27:03,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 20:27:03,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:27:03,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 20:27:03,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 20:27:03,346 INFO L87 Difference]: Start difference. First operand 17407 states and 24878 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-16 20:27:30,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:27:35,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:27:37,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:27:39,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:27:41,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:27:52,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:27:55,142 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 [] [2022-11-16 20:28:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:28:01,085 INFO L93 Difference]: Finished difference Result 26467 states and 37858 transitions. [2022-11-16 20:28:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 20:28:01,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 306 [2022-11-16 20:28:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:28:01,251 INFO L225 Difference]: With dead ends: 26467 [2022-11-16 20:28:01,251 INFO L226 Difference]: Without dead ends: 26465 [2022-11-16 20:28:01,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 20:28:01,274 INFO L413 NwaCegarLoop]: 4065 mSDtfsCounter, 3549 mSDsluCounter, 13457 mSDsCounter, 0 mSdLazyCounter, 4314 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3551 SdHoareTripleChecker+Valid, 17522 SdHoareTripleChecker+Invalid, 4319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4314 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.8s IncrementalHoareTripleChecker+Time [2022-11-16 20:28:01,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3551 Valid, 17522 Invalid, 4319 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 4314 Invalid, 4 Unknown, 0 Unchecked, 54.8s Time] [2022-11-16 20:28:01,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26465 states. [2022-11-16 20:28:04,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26465 to 26438. [2022-11-16 20:28:05,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26438 states, 15355 states have (on average 1.218951481602084) internal successors, (18717), 15687 states have internal predecessors, (18717), 9527 states have call successors, (9527), 1557 states have call predecessors, (9527), 1554 states have return successors, (9552), 9400 states have call predecessors, (9552), 9527 states have call successors, (9552) [2022-11-16 20:28:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26438 states to 26438 states and 37796 transitions. [2022-11-16 20:28:05,200 INFO L78 Accepts]: Start accepts. Automaton has 26438 states and 37796 transitions. Word has length 306 [2022-11-16 20:28:05,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:28:05,201 INFO L495 AbstractCegarLoop]: Abstraction has 26438 states and 37796 transitions. [2022-11-16 20:28:05,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-16 20:28:05,201 INFO L276 IsEmpty]: Start isEmpty. Operand 26438 states and 37796 transitions. [2022-11-16 20:28:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2022-11-16 20:28:05,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:28:05,259 INFO L195 NwaCegarLoop]: trace histogram [30, 18, 18, 18, 18, 18, 18, 17, 17, 8, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:28:05,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 20:28:05,260 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:28:05,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:28:05,261 INFO L85 PathProgramCache]: Analyzing trace with hash 659889435, now seen corresponding path program 1 times [2022-11-16 20:28:05,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:28:05,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126277345] [2022-11-16 20:28:05,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:28:05,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:28:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:28:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2321 trivial. 0 not checked. [2022-11-16 20:28:08,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:28:08,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126277345] [2022-11-16 20:28:08,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126277345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:28:08,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:28:08,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:28:08,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485118872] [2022-11-16 20:28:08,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:28:08,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:28:08,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:28:08,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:28:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:28:08,014 INFO L87 Difference]: Start difference. First operand 26438 states and 37796 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-11-16 20:28:12,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:28:18,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:28:19,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:28:23,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:28:29,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:28:30,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:28:30,143 INFO L93 Difference]: Finished difference Result 60397 states and 87364 transitions. [2022-11-16 20:28:30,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:28:30,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 676 [2022-11-16 20:28:30,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:28:30,370 INFO L225 Difference]: With dead ends: 60397 [2022-11-16 20:28:30,370 INFO L226 Difference]: Without dead ends: 33992 [2022-11-16 20:28:30,509 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 [2022-11-16 20:28:30,511 INFO L413 NwaCegarLoop]: 3884 mSDtfsCounter, 651 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 7203 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:28:30,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 7203 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1068 Invalid, 2 Unknown, 0 Unchecked, 19.1s Time] [2022-11-16 20:28:30,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33992 states. [2022-11-16 20:28:34,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33992 to 26444. [2022-11-16 20:28:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26444 states, 15361 states have (on average 1.218865959247445) internal successors, (18723), 15693 states have internal predecessors, (18723), 9527 states have call successors, (9527), 1557 states have call predecessors, (9527), 1554 states have return successors, (9552), 9400 states have call predecessors, (9552), 9527 states have call successors, (9552) [2022-11-16 20:28:34,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26444 states to 26444 states and 37802 transitions. [2022-11-16 20:28:34,837 INFO L78 Accepts]: Start accepts. Automaton has 26444 states and 37802 transitions. Word has length 676 [2022-11-16 20:28:34,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:28:34,840 INFO L495 AbstractCegarLoop]: Abstraction has 26444 states and 37802 transitions. [2022-11-16 20:28:34,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-11-16 20:28:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 26444 states and 37802 transitions. [2022-11-16 20:28:34,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2022-11-16 20:28:34,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:28:34,896 INFO L195 NwaCegarLoop]: trace histogram [30, 18, 18, 18, 18, 18, 18, 17, 17, 8, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:28:34,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 20:28:34,897 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:28:34,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:28:34,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1486154442, now seen corresponding path program 1 times [2022-11-16 20:28:34,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:28:34,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99915918] [2022-11-16 20:28:34,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:28:34,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:28:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:28:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2321 trivial. 0 not checked. [2022-11-16 20:28:38,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:28:38,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99915918] [2022-11-16 20:28:38,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99915918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:28:38,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:28:38,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:28:38,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791680874] [2022-11-16 20:28:38,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:28:38,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:28:38,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:28:38,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:28:38,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:28:38,251 INFO L87 Difference]: Start difference. First operand 26444 states and 37802 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 3 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 3 states have call predecessors, (97), 3 states have call successors, (97) [2022-11-16 20:28:45,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:28:52,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:28:54,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:28:59,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:29:04,366 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 [] [2022-11-16 20:29:06,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:29:06,177 INFO L93 Difference]: Finished difference Result 60760 states and 86750 transitions. [2022-11-16 20:29:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:29:06,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 3 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 3 states have call predecessors, (97), 3 states have call successors, (97) Word has length 678 [2022-11-16 20:29:06,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:29:06,388 INFO L225 Difference]: With dead ends: 60760 [2022-11-16 20:29:06,388 INFO L226 Difference]: Without dead ends: 34349 [2022-11-16 20:29:06,529 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 [2022-11-16 20:29:06,531 INFO L413 NwaCegarLoop]: 5383 mSDtfsCounter, 2622 mSDsluCounter, 3098 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 8481 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-11-16 20:29:06,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 8481 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1396 Invalid, 2 Unknown, 0 Unchecked, 24.3s Time] [2022-11-16 20:29:06,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34349 states. [2022-11-16 20:29:10,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34349 to 34339. [2022-11-16 20:29:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34339 states, 20052 states have (on average 1.2234689806503092) internal successors, (24533), 20487 states have internal predecessors, (24533), 12194 states have call successors, (12194), 2097 states have call predecessors, (12194), 2091 states have return successors, (12226), 12024 states have call predecessors, (12226), 12194 states have call successors, (12226) [2022-11-16 20:29:11,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34339 states to 34339 states and 48953 transitions. [2022-11-16 20:29:11,134 INFO L78 Accepts]: Start accepts. Automaton has 34339 states and 48953 transitions. Word has length 678 [2022-11-16 20:29:11,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:29:11,136 INFO L495 AbstractCegarLoop]: Abstraction has 34339 states and 48953 transitions. [2022-11-16 20:29:11,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 3 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 3 states have call predecessors, (97), 3 states have call successors, (97) [2022-11-16 20:29:11,136 INFO L276 IsEmpty]: Start isEmpty. Operand 34339 states and 48953 transitions. [2022-11-16 20:29:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2022-11-16 20:29:11,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:29:11,191 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:29:11,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 20:29:11,191 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:29:11,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:29:11,192 INFO L85 PathProgramCache]: Analyzing trace with hash 507293765, now seen corresponding path program 1 times [2022-11-16 20:29:11,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:29:11,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791705035] [2022-11-16 20:29:11,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:29:11,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:29:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:29:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-11-16 20:29:14,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:29:14,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791705035] [2022-11-16 20:29:14,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791705035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:29:14,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:29:14,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 20:29:14,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393170200] [2022-11-16 20:29:14,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:29:14,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:29:14,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:29:14,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:29:14,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:29:14,727 INFO L87 Difference]: Start difference. First operand 34339 states and 48953 transitions. Second operand has 5 states, 5 states have (on average 54.0) internal successors, (270), 4 states have internal predecessors, (270), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-11-16 20:29:22,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:29:27,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:29:32,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:29:34,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:29:40,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:29:49,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:29:59,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:30:01,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:30:03,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:30:05,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:30:05,726 INFO L93 Difference]: Finished difference Result 76244 states and 108440 transitions. [2022-11-16 20:30:05,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 20:30:05,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.0) internal successors, (270), 4 states have internal predecessors, (270), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 700 [2022-11-16 20:30:05,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:30:05,978 INFO L225 Difference]: With dead ends: 76244 [2022-11-16 20:30:05,978 INFO L226 Difference]: Without dead ends: 41938 [2022-11-16 20:30:06,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:30:06,140 INFO L413 NwaCegarLoop]: 5382 mSDtfsCounter, 2570 mSDsluCounter, 13862 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 19244 SdHoareTripleChecker+Invalid, 3087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2022-11-16 20:30:06,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 19244 Invalid, 3087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3084 Invalid, 2 Unknown, 0 Unchecked, 46.8s Time] [2022-11-16 20:30:06,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41938 states. [2022-11-16 20:30:10,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41938 to 41910. [2022-11-16 20:30:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41910 states, 24428 states have (on average 1.2178238087440643) internal successors, (29749), 24966 states have internal predecessors, (29749), 14852 states have call successors, (14852), 2628 states have call predecessors, (14852), 2628 states have return successors, (14900), 14648 states have call predecessors, (14900), 14852 states have call successors, (14900) [2022-11-16 20:30:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41910 states to 41910 states and 59501 transitions. [2022-11-16 20:30:11,195 INFO L78 Accepts]: Start accepts. Automaton has 41910 states and 59501 transitions. Word has length 700 [2022-11-16 20:30:11,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:30:11,196 INFO L495 AbstractCegarLoop]: Abstraction has 41910 states and 59501 transitions. [2022-11-16 20:30:11,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.0) internal successors, (270), 4 states have internal predecessors, (270), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-11-16 20:30:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 41910 states and 59501 transitions. [2022-11-16 20:30:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2022-11-16 20:30:11,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:30:11,260 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:30:11,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 20:30:11,261 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:30:11,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:30:11,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2004919005, now seen corresponding path program 1 times [2022-11-16 20:30:11,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:30:11,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426385836] [2022-11-16 20:30:11,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:30:11,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:30:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:30:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-11-16 20:30:14,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:30:14,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426385836] [2022-11-16 20:30:14,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426385836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:30:14,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:30:14,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 20:30:14,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930503150] [2022-11-16 20:30:14,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:30:14,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:30:14,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:30:14,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:30:14,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:30:14,951 INFO L87 Difference]: Start difference. First operand 41910 states and 59501 transitions. Second operand has 5 states, 5 states have (on average 54.2) internal successors, (271), 4 states have internal predecessors, (271), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-11-16 20:30:21,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:30:23,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:30:29,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:30:36,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:30:43,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:30:48,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:30:51,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:01,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:05,418 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 [] [2022-11-16 20:31:08,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:31:08,771 INFO L93 Difference]: Finished difference Result 91428 states and 129584 transitions. [2022-11-16 20:31:08,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 20:31:08,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.2) internal successors, (271), 4 states have internal predecessors, (271), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 701 [2022-11-16 20:31:08,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:31:09,268 INFO L225 Difference]: With dead ends: 91428 [2022-11-16 20:31:09,268 INFO L226 Difference]: Without dead ends: 49551 [2022-11-16 20:31:09,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:31:09,463 INFO L413 NwaCegarLoop]: 5387 mSDtfsCounter, 2591 mSDsluCounter, 13852 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 19239 SdHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.9s IncrementalHoareTripleChecker+Time [2022-11-16 20:31:09,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 19239 Invalid, 3092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3086 Invalid, 3 Unknown, 0 Unchecked, 48.9s Time] [2022-11-16 20:31:09,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49551 states. [2022-11-16 20:31:15,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49551 to 49523. [2022-11-16 20:31:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49523 states, 28834 states have (on average 1.2136713601997642) internal successors, (34995), 29475 states have internal predecessors, (34995), 17510 states have call successors, (17510), 3171 states have call predecessors, (17510), 3177 states have return successors, (17574), 17272 states have call predecessors, (17574), 17510 states have call successors, (17574) [2022-11-16 20:31:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49523 states to 49523 states and 70079 transitions. [2022-11-16 20:31:15,433 INFO L78 Accepts]: Start accepts. Automaton has 49523 states and 70079 transitions. Word has length 701 [2022-11-16 20:31:15,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:31:15,434 INFO L495 AbstractCegarLoop]: Abstraction has 49523 states and 70079 transitions. [2022-11-16 20:31:15,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.2) internal successors, (271), 4 states have internal predecessors, (271), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-11-16 20:31:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand 49523 states and 70079 transitions. [2022-11-16 20:31:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2022-11-16 20:31:15,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:31:15,487 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:31:15,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 20:31:15,488 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:31:15,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:31:15,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1961359595, now seen corresponding path program 1 times [2022-11-16 20:31:15,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:31:15,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370700231] [2022-11-16 20:31:15,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:31:15,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:31:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:31:19,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-11-16 20:31:19,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:31:19,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370700231] [2022-11-16 20:31:19,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370700231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:31:19,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:31:19,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 20:31:19,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539189595] [2022-11-16 20:31:19,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:31:19,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:31:19,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:31:19,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:31:19,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:31:19,185 INFO L87 Difference]: Start difference. First operand 49523 states and 70079 transitions. Second operand has 5 states, 5 states have (on average 54.4) internal successors, (272), 4 states have internal predecessors, (272), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-11-16 20:31:25,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:27,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:32,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:34,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:39,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:42,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:48,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:50,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:51,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:53,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:02,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:05,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:14,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:18,490 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 [] [2022-11-16 20:32:20,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:32:20,611 INFO L93 Difference]: Finished difference Result 107236 states and 151470 transitions. [2022-11-16 20:32:20,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 20:32:20,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.4) internal successors, (272), 4 states have internal predecessors, (272), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 702 [2022-11-16 20:32:20,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:32:20,867 INFO L225 Difference]: With dead ends: 107236 [2022-11-16 20:32:20,867 INFO L226 Difference]: Without dead ends: 57746 [2022-11-16 20:32:21,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:32:21,029 INFO L413 NwaCegarLoop]: 5147 mSDtfsCounter, 2358 mSDsluCounter, 13357 mSDsCounter, 0 mSdLazyCounter, 3052 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 18504 SdHoareTripleChecker+Invalid, 3063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3052 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.7s IncrementalHoareTripleChecker+Time [2022-11-16 20:32:21,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 18504 Invalid, 3063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 3052 Invalid, 5 Unknown, 0 Unchecked, 55.7s Time] [2022-11-16 20:32:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57746 states. [2022-11-16 20:32:27,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57746 to 57716. [2022-11-16 20:32:27,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57716 states, 33559 states have (on average 1.2099287821448792) internal successors, (40604), 34305 states have internal predecessors, (40604), 20333 states have call successors, (20333), 3810 states have call predecessors, (20333), 3822 states have return successors, (20421), 20059 states have call predecessors, (20421), 20333 states have call successors, (20421) [2022-11-16 20:32:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57716 states to 57716 states and 81358 transitions. [2022-11-16 20:32:27,644 INFO L78 Accepts]: Start accepts. Automaton has 57716 states and 81358 transitions. Word has length 702 [2022-11-16 20:32:27,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:32:27,645 INFO L495 AbstractCegarLoop]: Abstraction has 57716 states and 81358 transitions. [2022-11-16 20:32:27,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.4) internal successors, (272), 4 states have internal predecessors, (272), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-11-16 20:32:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 57716 states and 81358 transitions. [2022-11-16 20:32:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2022-11-16 20:32:27,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:32:27,703 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:32:27,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 20:32:27,704 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:32:27,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:32:27,705 INFO L85 PathProgramCache]: Analyzing trace with hash 504533414, now seen corresponding path program 1 times [2022-11-16 20:32:27,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:32:27,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172143089] [2022-11-16 20:32:27,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:32:27,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:32:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat