./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI --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 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 --- 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-5e519f3 [2022-11-03 03:51:13,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:51:13,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:51:13,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:51:13,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:51:13,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:51:13,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:51:13,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:51:13,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:51:13,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:51:13,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:51:13,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:51:13,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:51:13,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:51:13,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:51:13,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:51:13,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:51:13,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:51:13,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:51:13,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:51:13,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:51:13,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:51:13,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:51:13,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:51:13,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:51:13,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:51:13,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:51:13,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:51:13,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:51:13,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:51:13,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:51:13,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:51:13,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:51:13,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:51:13,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:51:13,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:51:13,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:51:13,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:51:13,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:51:13,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:51:13,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:51:13,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:51:13,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:51:13,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:51:13,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:51:13,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:51:13,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:51:13,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:51:13,264 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:51:13,264 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:51:13,264 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:51:13,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:51:13,266 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:51:13,267 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:51:13,267 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:51:13,267 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:51:13,267 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:51:13,268 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:51:13,268 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:51:13,268 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:51:13,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:51:13,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:51:13,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:51:13,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:51:13,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:51:13,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:51:13,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:51:13,271 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:51:13,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:51:13,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:51:13,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:51:13,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:51:13,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:51:13,273 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:51:13,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:51:13,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:51:13,274 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:51:13,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:51:13,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:51:13,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:51:13,275 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_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 [2022-11-03 03:51:13,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:51:13,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:51:13,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:51:13,718 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:51:13,719 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:51:13,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-11-03 03:51:13,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/data/6b84b87b8/b4953512141e415c9b8dc39a8488fe77/FLAG6cc8e7f92 [2022-11-03 03:51:14,934 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:51:14,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-11-03 03:51:14,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/data/6b84b87b8/b4953512141e415c9b8dc39a8488fe77/FLAG6cc8e7f92 [2022-11-03 03:51:15,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/data/6b84b87b8/b4953512141e415c9b8dc39a8488fe77 [2022-11-03 03:51:15,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:51:15,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:51:15,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:51:15,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:51:15,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:51:15,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:51:15" (1/1) ... [2022-11-03 03:51:15,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1223f28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:15, skipping insertion in model container [2022-11-03 03:51:15,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:51:15" (1/1) ... [2022-11-03 03:51:15,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:51:15,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:51:18,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i[331365,331378] [2022-11-03 03:51:18,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:51:18,937 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:51:19,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i[331365,331378] [2022-11-03 03:51:19,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:51:19,822 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:51:19,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19 WrapperNode [2022-11-03 03:51:19,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:51:19,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:51:19,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:51:19,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:51:19,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,256 INFO L138 Inliner]: procedures = 335, calls = 3513, calls flagged for inlining = 146, calls inlined = 126, statements flattened = 7030 [2022-11-03 03:51:20,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:51:20,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:51:20,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:51:20,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:51:20,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,612 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:51:20,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:51:20,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:51:20,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:51:20,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (1/1) ... [2022-11-03 03:51:20,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:51:20,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:51:20,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:51:20,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:51:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-11-03 03:51:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-11-03 03:51:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure bank_reads8 [2022-11-03 03:51:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bank_reads8 [2022-11-03 03:51:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_probe [2022-11-03 03:51:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_probe [2022-11-03 03:51:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure ep_to_udc_ep [2022-11-03 03:51:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_to_udc_ep [2022-11-03 03:51:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:51:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:51:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:51:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-03 03:51:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-03 03:51:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:51:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:51:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hcd_unregister [2022-11-03 03:51:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hcd_unregister [2022-11-03 03:51:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_register [2022-11-03 03:51:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_register [2022-11-03 03:51:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_get_frame [2022-11-03 03:51:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_get_frame [2022-11-03 03:51:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 03:51:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 03:51:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_status_data [2022-11-03 03:51:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_status_data [2022-11-03 03:51:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:51:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:51:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-03 03:51:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-03 03:51:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_control [2022-11-03 03:51:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_control [2022-11-03 03:51:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-03 03:51:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-03 03:51:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure mem_writes8 [2022-11-03 03:51:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mem_writes8 [2022-11-03 03:51:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-11-03 03:51:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-11-03 03:51:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 03:51:20,971 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 03:51:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-03 03:51:20,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-03 03:51:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:51:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:51:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_enqueue [2022-11-03 03:51:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_enqueue [2022-11-03 03:51:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_transmit [2022-11-03 03:51:20,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_transmit [2022-11-03 03:51:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_endpoint_disable [2022-11-03 03:51:20,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_endpoint_disable [2022-11-03 03:51:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:51:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:51:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:51:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:51:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-03 03:51:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-03 03:51:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-11-03 03:51:20,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-11-03 03:51:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_unregister [2022-11-03 03:51:20,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_unregister [2022-11-03 03:51:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_bool [2022-11-03 03:51:20,979 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_bool [2022-11-03 03:51:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_atl [2022-11-03 03:51:20,979 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_atl [2022-11-03 03:51:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 03:51:20,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 03:51:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure last_qtd_of_urb [2022-11-03 03:51:20,980 INFO L138 BoogieDeclarations]: Found implementation of procedure last_qtd_of_urb [2022-11-03 03:51:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_shutdown [2022-11-03 03:51:20,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_shutdown [2022-11-03 03:51:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_set_wedge [2022-11-03 03:51:20,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_set_wedge [2022-11-03 03:51:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_last [2022-11-03 03:51:20,982 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_last [2022-11-03 03:51:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:51:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-11-03 03:51:20,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-11-03 03:51:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:51:20,983 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:51:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_clear_tt_buffer_complete [2022-11-03 03:51:20,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_clear_tt_buffer_complete [2022-11-03 03:51:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_probe [2022-11-03 03:51:20,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_probe [2022-11-03 03:51:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-11-03 03:51:20,985 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-11-03 03:51:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:51:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-03 03:51:20,986 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-03 03:51:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_stop [2022-11-03 03:51:20,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_stop [2022-11-03 03:51:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_ep_set_halt [2022-11-03 03:51:20,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_ep_set_halt [2022-11-03 03:51:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-11-03 03:51:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-11-03 03:51:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_remove [2022-11-03 03:51:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_remove [2022-11-03 03:51:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 03:51:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 03:51:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:51:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:51:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:51:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:51:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure __ffs [2022-11-03 03:51:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __ffs [2022-11-03 03:51:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_dequeue [2022-11-03 03:51:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_dequeue [2022-11-03 03:51:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure handle_done_ptds [2022-11-03 03:51:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_done_ptds [2022-11-03 03:51:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-03 03:51:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-03 03:51:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:51:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 03:51:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 03:51:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:51:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_irq [2022-11-03 03:51:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_irq [2022-11-03 03:51:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_disable [2022-11-03 03:51:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_disable [2022-11-03 03:51:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 03:51:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 03:51:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 03:51:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 03:51:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_set_value_cansleep [2022-11-03 03:51:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_set_value_cansleep [2022-11-03 03:51:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-03 03:51:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_set_halt [2022-11-03 03:51:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_set_halt [2022-11-03 03:51:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 03:51:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 03:51:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_request_complete [2022-11-03 03:51:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_request_complete [2022-11-03 03:51:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-03 03:51:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-03 03:51:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_run [2022-11-03 03:51:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_run [2022-11-03 03:51:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_wakeup [2022-11-03 03:51:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_wakeup [2022-11-03 03:51:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 03:51:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 03:51:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_dequeue [2022-11-03 03:51:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_dequeue [2022-11-03 03:51:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 03:51:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 03:51:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:51:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-03 03:51:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-03 03:51:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-03 03:51:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-03 03:51:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:51:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_select_ep [2022-11-03 03:51:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_select_ep [2022-11-03 03:51:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_free_request [2022-11-03 03:51:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_free_request [2022-11-03 03:51:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_read [2022-11-03 03:51:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_read [2022-11-03 03:51:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-03 03:51:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-03 03:51:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 03:51:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 03:51:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 03:51:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 03:51:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:51:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:51:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hc_setup [2022-11-03 03:51:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hc_setup [2022-11-03 03:51:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:51:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:51:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:51:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 03:51:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 03:51:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_init_hw [2022-11-03 03:51:21,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_init_hw [2022-11-03 03:51:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 03:51:21,019 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 03:51:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure start_bus_transfer [2022-11-03 03:51:21,019 INFO L138 BoogieDeclarations]: Found implementation of procedure start_bus_transfer [2022-11-03 03:51:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:51:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:51:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:51:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:51:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-03 03:51:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-03 03:51:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:51:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_shutdown [2022-11-03 03:51:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_shutdown [2022-11-03 03:51:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_remove [2022-11-03 03:51:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_remove [2022-11-03 03:51:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:51:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:51:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-03 03:51:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-03 03:51:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure ptd_read [2022-11-03 03:51:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ptd_read [2022-11-03 03:51:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 03:51:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 03:51:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:51:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure reg_read32 [2022-11-03 03:51:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_read32 [2022-11-03 03:51:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-11-03 03:51:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-11-03 03:51:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:51:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:51:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_free [2022-11-03 03:51:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_free [2022-11-03 03:51:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:51:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_enable [2022-11-03 03:51:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_enable [2022-11-03 03:51:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure is_short_bulk [2022-11-03 03:51:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure is_short_bulk [2022-11-03 03:51:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-03 03:51:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-03 03:51:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_read32 [2022-11-03 03:51:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_read32 [2022-11-03 03:51:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_write32 [2022-11-03 03:51:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_write32 [2022-11-03 03:51:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-11-03 03:51:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-11-03 03:51:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure reg_write32 [2022-11-03 03:51:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_write32 [2022-11-03 03:51:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_ctrl_send_status [2022-11-03 03:51:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_ctrl_send_status [2022-11-03 03:51:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_clear_tt_buffer [2022-11-03 03:51:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_clear_tt_buffer [2022-11-03 03:51:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-03 03:51:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-03 03:51:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_stop [2022-11-03 03:51:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_stop [2022-11-03 03:51:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_start [2022-11-03 03:51:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_start [2022-11-03 03:51:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 03:51:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 03:51:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 03:51:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 03:51:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure req_to_udc_req [2022-11-03 03:51:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure req_to_udc_req [2022-11-03 03:51:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_receive [2022-11-03 03:51:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_receive [2022-11-03 03:51:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_set_pullup [2022-11-03 03:51:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_set_pullup [2022-11-03 03:51:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-03 03:51:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-03 03:51:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_priv [2022-11-03 03:51:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_priv [2022-11-03 03:51:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_int [2022-11-03 03:51:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_int [2022-11-03 03:51:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-11-03 03:51:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-11-03 03:51:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_deinit_kmem_cache [2022-11-03 03:51:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_deinit_kmem_cache [2022-11-03 03:51:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ptds [2022-11-03 03:51:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ptds [2022-11-03 03:51:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_alloc [2022-11-03 03:51:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_alloc [2022-11-03 03:51:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-03 03:51:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-03 03:51:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:51:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:51:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 03:51:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 03:51:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-03 03:51:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-03 03:51:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_get_frame [2022-11-03 03:51:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_get_frame [2022-11-03 03:51:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 03:51:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 03:51:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_udc [2022-11-03 03:51:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_udc [2022-11-03 03:51:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_select_ep [2022-11-03 03:51:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_select_ep [2022-11-03 03:51:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-03 03:51:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-03 03:51:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 03:51:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 03:51:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 03:51:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 03:51:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:51:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 03:51:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 03:51:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-03 03:51:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-03 03:51:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_write [2022-11-03 03:51:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_write [2022-11-03 03:51:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:51:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:51:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_fifo_flush [2022-11-03 03:51:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_fifo_flush [2022-11-03 03:51:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 03:51:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 03:51:22,637 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:51:22,648 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:51:23,274 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:54:19,764 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:54:23,529 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:54:23,529 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:54:23,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:23 BoogieIcfgContainer [2022-11-03 03:54:23,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:54:23,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:54:23,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:54:23,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:54:23,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:51:15" (1/3) ... [2022-11-03 03:54:23,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d936c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:54:23, skipping insertion in model container [2022-11-03 03:54:23,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:19" (2/3) ... [2022-11-03 03:54:23,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d936c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:54:23, skipping insertion in model container [2022-11-03 03:54:23,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:23" (3/3) ... [2022-11-03 03:54:23,549 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-11-03 03:54:23,575 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:54:23,575 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:54:23,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:54:23,739 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;@b0b1aee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:54:23,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:54:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 1967 states, 1184 states have (on average 1.3488175675675675) internal successors, (1597), 1255 states have internal predecessors, (1597), 646 states have call successors, (646), 136 states have call predecessors, (646), 135 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) [2022-11-03 03:54:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-03 03:54:23,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:54:23,797 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2022-11-03 03:54:23,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:54:23,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:54:23,807 INFO L85 PathProgramCache]: Analyzing trace with hash 3287891, now seen corresponding path program 1 times [2022-11-03 03:54:23,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:54:23,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813808047] [2022-11-03 03:54:23,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:23,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:54:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:54:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-03 03:54:25,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:54:25,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813808047] [2022-11-03 03:54:25,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813808047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:54:25,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:54:25,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:54:25,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790058845] [2022-11-03 03:54:25,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:54:25,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:54:25,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:54:25,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:54:25,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:54:25,741 INFO L87 Difference]: Start difference. First operand has 1967 states, 1184 states have (on average 1.3488175675675675) internal successors, (1597), 1255 states have internal predecessors, (1597), 646 states have call successors, (646), 136 states have call predecessors, (646), 135 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 03:54:27,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:31,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:36,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:36,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:54:36,794 INFO L93 Difference]: Finished difference Result 5552 states and 8199 transitions. [2022-11-03 03:54:36,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:54:36,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2022-11-03 03:54:36,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:54:36,853 INFO L225 Difference]: With dead ends: 5552 [2022-11-03 03:54:36,853 INFO L226 Difference]: Without dead ends: 3565 [2022-11-03 03:54:36,875 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 [2022-11-03 03:54:36,879 INFO L413 NwaCegarLoop]: 3109 mSDtfsCounter, 2345 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 5679 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:54:36,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2348 Valid, 5679 Invalid, 594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 590 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2022-11-03 03:54:36,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2022-11-03 03:54:37,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3561. [2022-11-03 03:54:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 2164 states have (on average 1.3428835489833642) internal successors, (2906), 2274 states have internal predecessors, (2906), 1146 states have call successors, (1146), 252 states have call predecessors, (1146), 250 states have return successors, (1145), 1127 states have call predecessors, (1145), 1145 states have call successors, (1145) [2022-11-03 03:54:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 5197 transitions. [2022-11-03 03:54:37,257 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 5197 transitions. Word has length 74 [2022-11-03 03:54:37,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:54:37,258 INFO L495 AbstractCegarLoop]: Abstraction has 3561 states and 5197 transitions. [2022-11-03 03:54:37,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 03:54:37,259 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 5197 transitions. [2022-11-03 03:54:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-03 03:54:37,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:54:37,272 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:54:37,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:54:37,272 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:54:37,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:54:37,273 INFO L85 PathProgramCache]: Analyzing trace with hash -2049140603, now seen corresponding path program 1 times [2022-11-03 03:54:37,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:54:37,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771855375] [2022-11-03 03:54:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:37,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:54:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:54:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-03 03:54:38,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:54:38,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771855375] [2022-11-03 03:54:38,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771855375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:54:38,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:54:38,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:54:38,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314491197] [2022-11-03 03:54:38,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:54:38,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:54:38,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:54:38,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:54:38,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:54:38,560 INFO L87 Difference]: Start difference. First operand 3561 states and 5197 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 03:54:40,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:48,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:54:49,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:54:49,500 INFO L93 Difference]: Finished difference Result 8882 states and 12843 transitions. [2022-11-03 03:54:49,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:54:49,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2022-11-03 03:54:49,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:54:49,547 INFO L225 Difference]: With dead ends: 8882 [2022-11-03 03:54:49,547 INFO L226 Difference]: Without dead ends: 5324 [2022-11-03 03:54:49,570 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 [2022-11-03 03:54:49,572 INFO L413 NwaCegarLoop]: 3550 mSDtfsCounter, 1732 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 6034 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:54:49,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 6034 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 738 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2022-11-03 03:54:49,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-11-03 03:54:49,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5319. [2022-11-03 03:54:49,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5319 states, 3203 states have (on average 1.332188573212613) internal successors, (4267), 3360 states have internal predecessors, (4267), 1689 states have call successors, (1689), 429 states have call predecessors, (1689), 426 states have return successors, (1688), 1662 states have call predecessors, (1688), 1688 states have call successors, (1688) [2022-11-03 03:54:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5319 states to 5319 states and 7644 transitions. [2022-11-03 03:54:49,920 INFO L78 Accepts]: Start accepts. Automaton has 5319 states and 7644 transitions. Word has length 125 [2022-11-03 03:54:49,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:54:49,920 INFO L495 AbstractCegarLoop]: Abstraction has 5319 states and 7644 transitions. [2022-11-03 03:54:49,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 03:54:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 5319 states and 7644 transitions. [2022-11-03 03:54:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-03 03:54:49,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:54:49,937 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 03:54:49,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:54:49,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:54:49,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:54:49,951 INFO L85 PathProgramCache]: Analyzing trace with hash -255847896, now seen corresponding path program 1 times [2022-11-03 03:54:49,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:54:49,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24584718] [2022-11-03 03:54:49,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:49,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:54:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:54:51,102 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-03 03:54:51,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:54:51,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24584718] [2022-11-03 03:54:51,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24584718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:54:51,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:54:51,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:54:51,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479347688] [2022-11-03 03:54:51,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:54:51,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:54:51,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:54:51,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:54:51,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:54:51,112 INFO L87 Difference]: Start difference. First operand 5319 states and 7644 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 03:54:53,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:00,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:01,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:01,325 INFO L93 Difference]: Finished difference Result 15664 states and 22526 transitions. [2022-11-03 03:55:01,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:55:01,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 198 [2022-11-03 03:55:01,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:01,409 INFO L225 Difference]: With dead ends: 15664 [2022-11-03 03:55:01,410 INFO L226 Difference]: Without dead ends: 10348 [2022-11-03 03:55:01,447 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 [2022-11-03 03:55:01,448 INFO L413 NwaCegarLoop]: 3914 mSDtfsCounter, 2728 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 6484 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:01,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 6484 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 663 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-11-03 03:55:01,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10348 states. [2022-11-03 03:55:02,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10348 to 10336. [2022-11-03 03:55:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10336 states, 6226 states have (on average 1.3344041117892709) internal successors, (8308), 6539 states have internal predecessors, (8308), 3282 states have call successors, (3282), 833 states have call predecessors, (3282), 827 states have return successors, (3281), 3225 states have call predecessors, (3281), 3281 states have call successors, (3281) [2022-11-03 03:55:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10336 states to 10336 states and 14871 transitions. [2022-11-03 03:55:02,412 INFO L78 Accepts]: Start accepts. Automaton has 10336 states and 14871 transitions. Word has length 198 [2022-11-03 03:55:02,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:02,413 INFO L495 AbstractCegarLoop]: Abstraction has 10336 states and 14871 transitions. [2022-11-03 03:55:02,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 03:55:02,415 INFO L276 IsEmpty]: Start isEmpty. Operand 10336 states and 14871 transitions. [2022-11-03 03:55:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-03 03:55:02,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:02,423 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 3, 3, 3, 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] [2022-11-03 03:55:02,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:55:02,424 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:02,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:02,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1160127395, now seen corresponding path program 1 times [2022-11-03 03:55:02,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:02,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603379448] [2022-11-03 03:55:02,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:02,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-03 03:55:03,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:03,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603379448] [2022-11-03 03:55:03,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603379448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:55:03,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:55:03,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:55:03,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835317343] [2022-11-03 03:55:03,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:55:03,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:55:03,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:55:03,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:55:03,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:55:03,405 INFO L87 Difference]: Start difference. First operand 10336 states and 14871 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 03:55:05,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:13,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:14,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:14,316 INFO L93 Difference]: Finished difference Result 29603 states and 42643 transitions. [2022-11-03 03:55:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:55:14,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 177 [2022-11-03 03:55:14,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:14,469 INFO L225 Difference]: With dead ends: 29603 [2022-11-03 03:55:14,469 INFO L226 Difference]: Without dead ends: 19270 [2022-11-03 03:55:14,535 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 [2022-11-03 03:55:14,537 INFO L413 NwaCegarLoop]: 4729 mSDtfsCounter, 2678 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2681 SdHoareTripleChecker+Valid, 7297 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:14,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2681 Valid, 7297 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 781 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2022-11-03 03:55:14,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19270 states. [2022-11-03 03:55:15,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19270 to 19242. [2022-11-03 03:55:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19242 states, 11605 states have (on average 1.3345971563981043) internal successors, (15488), 12216 states have internal predecessors, (15488), 6125 states have call successors, (6125), 1523 states have call predecessors, (6125), 1511 states have return successors, (6124), 6008 states have call predecessors, (6124), 6124 states have call successors, (6124) [2022-11-03 03:55:16,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19242 states to 19242 states and 27737 transitions. [2022-11-03 03:55:16,360 INFO L78 Accepts]: Start accepts. Automaton has 19242 states and 27737 transitions. Word has length 177 [2022-11-03 03:55:16,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:16,361 INFO L495 AbstractCegarLoop]: Abstraction has 19242 states and 27737 transitions. [2022-11-03 03:55:16,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 03:55:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 19242 states and 27737 transitions. [2022-11-03 03:55:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-03 03:55:16,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:16,388 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 03:55:16,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:55:16,388 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:16,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:16,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1431799480, now seen corresponding path program 1 times [2022-11-03 03:55:16,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:16,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947246610] [2022-11-03 03:55:16,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:16,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-11-03 03:55:17,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:17,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947246610] [2022-11-03 03:55:17,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947246610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:55:17,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:55:17,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:55:17,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315050387] [2022-11-03 03:55:17,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:55:17,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:55:17,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:55:17,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:55:17,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:55:17,658 INFO L87 Difference]: Start difference. First operand 19242 states and 27737 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:55:19,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:25,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:26,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:26,320 INFO L93 Difference]: Finished difference Result 20509 states and 29039 transitions. [2022-11-03 03:55:26,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:55:26,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 199 [2022-11-03 03:55:26,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:26,447 INFO L225 Difference]: With dead ends: 20509 [2022-11-03 03:55:26,448 INFO L226 Difference]: Without dead ends: 20506 [2022-11-03 03:55:26,462 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 [2022-11-03 03:55:26,464 INFO L413 NwaCegarLoop]: 2655 mSDtfsCounter, 1525 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 3925 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:26,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 3925 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 437 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-11-03 03:55:26,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20506 states. [2022-11-03 03:55:27,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20506 to 20506. [2022-11-03 03:55:27,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20506 states, 12283 states have (on average 1.3227224619392657) internal successors, (16247), 12918 states have internal predecessors, (16247), 6388 states have call successors, (6388), 1846 states have call predecessors, (6388), 1834 states have return successors, (6387), 6271 states have call predecessors, (6387), 6387 states have call successors, (6387) [2022-11-03 03:55:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20506 states to 20506 states and 29022 transitions. [2022-11-03 03:55:27,904 INFO L78 Accepts]: Start accepts. Automaton has 20506 states and 29022 transitions. Word has length 199 [2022-11-03 03:55:27,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:27,905 INFO L495 AbstractCegarLoop]: Abstraction has 20506 states and 29022 transitions. [2022-11-03 03:55:27,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:55:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 20506 states and 29022 transitions. [2022-11-03 03:55:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-03 03:55:27,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:27,996 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:55:27,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:55:27,997 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:27,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:27,998 INFO L85 PathProgramCache]: Analyzing trace with hash -895051843, now seen corresponding path program 1 times [2022-11-03 03:55:27,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:27,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972333366] [2022-11-03 03:55:27,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:27,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2022-11-03 03:55:29,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:29,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972333366] [2022-11-03 03:55:29,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972333366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:55:29,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:55:29,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:55:29,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662174427] [2022-11-03 03:55:29,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:55:29,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:55:29,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:55:29,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:55:29,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:55:29,491 INFO L87 Difference]: Start difference. First operand 20506 states and 29022 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 03:55:31,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:37,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:55:40,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:40,929 INFO L93 Difference]: Finished difference Result 53908 states and 76567 transitions. [2022-11-03 03:55:40,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:55:40,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 267 [2022-11-03 03:55:40,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:41,149 INFO L225 Difference]: With dead ends: 53908 [2022-11-03 03:55:41,149 INFO L226 Difference]: Without dead ends: 33405 [2022-11-03 03:55:41,383 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 [2022-11-03 03:55:41,385 INFO L413 NwaCegarLoop]: 3562 mSDtfsCounter, 2656 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 52 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2659 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:41,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2659 Valid, 5942 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 759 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2022-11-03 03:55:41,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33405 states. [2022-11-03 03:55:43,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33405 to 33400. [2022-11-03 03:55:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33400 states, 20188 states have (on average 1.323954824648306) internal successors, (26728), 21272 states have internal predecessors, (26728), 10281 states have call successors, (10281), 2950 states have call predecessors, (10281), 2930 states have return successors, (10280), 10081 states have call predecessors, (10280), 10280 states have call successors, (10280) [2022-11-03 03:55:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33400 states to 33400 states and 47289 transitions. [2022-11-03 03:55:44,134 INFO L78 Accepts]: Start accepts. Automaton has 33400 states and 47289 transitions. Word has length 267 [2022-11-03 03:55:44,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:44,137 INFO L495 AbstractCegarLoop]: Abstraction has 33400 states and 47289 transitions. [2022-11-03 03:55:44,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 03:55:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 33400 states and 47289 transitions. [2022-11-03 03:55:44,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-03 03:55:44,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:44,185 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:55:44,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:55:44,186 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:44,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:44,186 INFO L85 PathProgramCache]: Analyzing trace with hash -2006731313, now seen corresponding path program 1 times [2022-11-03 03:55:44,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:44,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050956445] [2022-11-03 03:55:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2022-11-03 03:55:49,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:49,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050956445] [2022-11-03 03:55:49,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050956445] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:55:49,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170836770] [2022-11-03 03:55:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:49,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:55:49,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:55:49,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:55:49,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:56:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:56:16,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 6041 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 03:56:16,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:56:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2022-11-03 03:56:16,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:56:16,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170836770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:56:16,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:56:16,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2022-11-03 03:56:16,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706709087] [2022-11-03 03:56:16,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:56:16,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:56:16,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:56:16,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:56:16,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:56:16,880 INFO L87 Difference]: Start difference. First operand 33400 states and 47289 transitions. Second operand has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 03:56:19,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:31,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:56:33,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:56:33,854 INFO L93 Difference]: Finished difference Result 66933 states and 95422 transitions. [2022-11-03 03:56:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:56:33,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 267 [2022-11-03 03:56:33,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:56:34,064 INFO L225 Difference]: With dead ends: 66933 [2022-11-03 03:56:34,064 INFO L226 Difference]: Without dead ends: 33460 [2022-11-03 03:56:34,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:56:34,219 INFO L413 NwaCegarLoop]: 2563 mSDtfsCounter, 3 mSDsluCounter, 11330 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12782 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:56:34,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12782 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1499 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2022-11-03 03:56:34,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33460 states. [2022-11-03 03:56:36,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33460 to 33460. [2022-11-03 03:56:36,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33460 states, 20232 states have (on average 1.3240411229735074) internal successors, (26788), 21332 states have internal predecessors, (26788), 10281 states have call successors, (10281), 2950 states have call predecessors, (10281), 2946 states have return successors, (10312), 10081 states have call predecessors, (10312), 10280 states have call successors, (10312) [2022-11-03 03:56:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33460 states to 33460 states and 47381 transitions. [2022-11-03 03:56:36,690 INFO L78 Accepts]: Start accepts. Automaton has 33460 states and 47381 transitions. Word has length 267 [2022-11-03 03:56:36,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:56:36,693 INFO L495 AbstractCegarLoop]: Abstraction has 33460 states and 47381 transitions. [2022-11-03 03:56:36,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 03:56:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 33460 states and 47381 transitions. [2022-11-03 03:56:36,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-03 03:56:36,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:56:36,742 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:56:36,968 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forcibly destroying the process [2022-11-03 03:56:36,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:56:36,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:56:36,975 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:56:36,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:56:36,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2041557449, now seen corresponding path program 1 times [2022-11-03 03:56:36,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:56:36,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745081616] [2022-11-03 03:56:36,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:56:36,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:56:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:56:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2022-11-03 03:56:41,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:56:41,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745081616] [2022-11-03 03:56:41,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745081616] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:56:41,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875899634] [2022-11-03 03:56:41,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:56:41,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:56:41,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:56:41,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:56:41,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b264216-a785-472c-84b1-36c29f5e18b6/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:57:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:57:23,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 6169 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 03:57:23,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:57:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2022-11-03 03:57:24,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:57:25,626 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2022-11-03 03:57:25,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875899634] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:57:25,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [352576533] [2022-11-03 03:57:25,678 INFO L159 IcfgInterpreter]: Started Sifa with 128 locations of interest [2022-11-03 03:57:25,678 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:57:25,683 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:57:25,695 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:57:25,696 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:57:39,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 03:57:39,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:40,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:40,788 INFO L244 Elim1Store]: Index analysis took 287 ms [2022-11-03 03:57:54,411 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_1472| |~#isp1760_of_match~0.base|))) (= .cse0 (let ((.cse1 (+ 192 |~#isp1760_of_match~0.offset|))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store ((as const (Array Int Int)) 0) |~#isp1760_of_match~0.offset| 0) (+ |~#isp1760_of_match~0.offset| 1) 0) (+ |~#isp1760_of_match~0.offset| 2) 0) (+ |~#isp1760_of_match~0.offset| 3) 0) (+ |~#isp1760_of_match~0.offset| 4) 0) (+ 5 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 6) 0) (+ 7 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 8) 0) (+ |~#isp1760_of_match~0.offset| 9) 0) (+ |~#isp1760_of_match~0.offset| 10) 0) (+ |~#isp1760_of_match~0.offset| 11) 0) (+ |~#isp1760_of_match~0.offset| 12) 0) (+ |~#isp1760_of_match~0.offset| 13) 0) (+ |~#isp1760_of_match~0.offset| 14) 0) (+ |~#isp1760_of_match~0.offset| 15) 0) (+ |~#isp1760_of_match~0.offset| 16) 0) (+ |~#isp1760_of_match~0.offset| 17) 0) (+ |~#isp1760_of_match~0.offset| 18) 0) (+ 19 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 20) 0) (+ |~#isp1760_of_match~0.offset| 21) 0) (+ |~#isp1760_of_match~0.offset| 22) 0) (+ 23 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 24) 0) (+ |~#isp1760_of_match~0.offset| 25) 0) (+ |~#isp1760_of_match~0.offset| 26) 0) (+ |~#isp1760_of_match~0.offset| 27) 0) (+ |~#isp1760_of_match~0.offset| 28) 0) (+ 29 |~#isp1760_of_match~0.offset|) 0) (+ 30 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 31) 0) (+ 32 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 33) 0) (+ |~#isp1760_of_match~0.offset| 34) 0) (+ 35 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 36) 0) (+ |~#isp1760_of_match~0.offset| 37) 0) (+ |~#isp1760_of_match~0.offset| 38) 0) (+ |~#isp1760_of_match~0.offset| 39) 0) (+ 40 |~#isp1760_of_match~0.offset|) 0) (+ 41 |~#isp1760_of_match~0.offset|) 0) (+ 42 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 43) 0) (+ 44 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 45) 0) (+ |~#isp1760_of_match~0.offset| 46) 0) (+ |~#isp1760_of_match~0.offset| 47) 0) (+ |~#isp1760_of_match~0.offset| 48) 0) (+ 49 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 50) 0) (+ 51 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 52) 0) (+ 53 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 54) 0) (+ |~#isp1760_of_match~0.offset| 55) 0) (+ 56 |~#isp1760_of_match~0.offset|) 0) (+ 57 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 58) 0) (+ 59 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 60) 0) (+ |~#isp1760_of_match~0.offset| 61) 0) (+ |~#isp1760_of_match~0.offset| 62) 0) (+ |~#isp1760_of_match~0.offset| 63) 0) (+ 64 |~#isp1760_of_match~0.offset|) 110) (+ |~#isp1760_of_match~0.offset| 65) 120) (+ 66 |~#isp1760_of_match~0.offset|) 112) (+ 67 |~#isp1760_of_match~0.offset|) 44) (+ 68 |~#isp1760_of_match~0.offset|) 117) (+ |~#isp1760_of_match~0.offset| 69) 115) (+ |~#isp1760_of_match~0.offset| 70) 98) (+ |~#isp1760_of_match~0.offset| 71) 45) (+ 72 |~#isp1760_of_match~0.offset|) 105) (+ |~#isp1760_of_match~0.offset| 73) 115) (+ |~#isp1760_of_match~0.offset| 74) 112) (+ |~#isp1760_of_match~0.offset| 75) 49) (+ 76 |~#isp1760_of_match~0.offset|) 55) (+ 77 |~#isp1760_of_match~0.offset|) 54) (+ |~#isp1760_of_match~0.offset| 78) 48) (+ |~#isp1760_of_match~0.offset| 79) 0) .cse1 (select .cse0 .cse1))))) [2022-11-03 03:57:56,430 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_1472| |~#isp1760_of_match~0.base|))) (= .cse0 (let ((.cse1 (+ 192 |~#isp1760_of_match~0.offset|))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store ((as const (Array Int Int)) 0) |~#isp1760_of_match~0.offset| 0) (+ |~#isp1760_of_match~0.offset| 1) 0) (+ |~#isp1760_of_match~0.offset| 2) 0) (+ |~#isp1760_of_match~0.offset| 3) 0) (+ |~#isp1760_of_match~0.offset| 4) 0) (+ 5 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 6) 0) (+ 7 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 8) 0) (+ |~#isp1760_of_match~0.offset| 9) 0) (+ |~#isp1760_of_match~0.offset| 10) 0) (+ |~#isp1760_of_match~0.offset| 11) 0) (+ |~#isp1760_of_match~0.offset| 12) 0) (+ |~#isp1760_of_match~0.offset| 13) 0) (+ |~#isp1760_of_match~0.offset| 14) 0) (+ |~#isp1760_of_match~0.offset| 15) 0) (+ |~#isp1760_of_match~0.offset| 16) 0) (+ |~#isp1760_of_match~0.offset| 17) 0) (+ |~#isp1760_of_match~0.offset| 18) 0) (+ 19 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 20) 0) (+ |~#isp1760_of_match~0.offset| 21) 0) (+ |~#isp1760_of_match~0.offset| 22) 0) (+ 23 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 24) 0) (+ |~#isp1760_of_match~0.offset| 25) 0) (+ |~#isp1760_of_match~0.offset| 26) 0) (+ |~#isp1760_of_match~0.offset| 27) 0) (+ |~#isp1760_of_match~0.offset| 28) 0) (+ 29 |~#isp1760_of_match~0.offset|) 0) (+ 30 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 31) 0) (+ 32 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 33) 0) (+ |~#isp1760_of_match~0.offset| 34) 0) (+ 35 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 36) 0) (+ |~#isp1760_of_match~0.offset| 37) 0) (+ |~#isp1760_of_match~0.offset| 38) 0) (+ |~#isp1760_of_match~0.offset| 39) 0) (+ 40 |~#isp1760_of_match~0.offset|) 0) (+ 41 |~#isp1760_of_match~0.offset|) 0) (+ 42 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 43) 0) (+ 44 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 45) 0) (+ |~#isp1760_of_match~0.offset| 46) 0) (+ |~#isp1760_of_match~0.offset| 47) 0) (+ |~#isp1760_of_match~0.offset| 48) 0) (+ 49 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 50) 0) (+ 51 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 52) 0) (+ 53 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 54) 0) (+ |~#isp1760_of_match~0.offset| 55) 0) (+ 56 |~#isp1760_of_match~0.offset|) 0) (+ 57 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 58) 0) (+ 59 |~#isp1760_of_match~0.offset|) 0) (+ |~#isp1760_of_match~0.offset| 60) 0) (+ |~#isp1760_of_match~0.offset| 61) 0) (+ |~#isp1760_of_match~0.offset| 62) 0) (+ |~#isp1760_of_match~0.offset| 63) 0) (+ 64 |~#isp1760_of_match~0.offset|) 110) (+ |~#isp1760_of_match~0.offset| 65) 120) (+ 66 |~#isp1760_of_match~0.offset|) 112) (+ 67 |~#isp1760_of_match~0.offset|) 44) (+ 68 |~#isp1760_of_match~0.offset|) 117) (+ |~#isp1760_of_match~0.offset| 69) 115) (+ |~#isp1760_of_match~0.offset| 70) 98) (+ |~#isp1760_of_match~0.offset| 71) 45) (+ 72 |~#isp1760_of_match~0.offset|) 105) (+ |~#isp1760_of_match~0.offset| 73) 115) (+ |~#isp1760_of_match~0.offset| 74) 112) (+ |~#isp1760_of_match~0.offset| 75) 49) (+ 76 |~#isp1760_of_match~0.offset|) 55) (+ 77 |~#isp1760_of_match~0.offset|) 54) (+ |~#isp1760_of_match~0.offset| 78) 48) (+ |~#isp1760_of_match~0.offset| 79) 0) .cse1 (select .cse0 .cse1))))) [2022-11-03 03:57:56,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 254 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 1105 treesize of output 1029 [2022-11-03 03:57:57,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 23 select indices, 23 select index equivalence classes, 253 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 1525 treesize of output 1444 [2022-11-03 03:57:58,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 1141 treesize of output 1066 [2022-11-03 03:57:59,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2022-11-03 03:58:00,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 03:58:00,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 03:58:00,961 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2022-11-03 03:58:01,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 03:58:01,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 04:04:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:42,969 INFO L244 Elim1Store]: Index analysis took 390 ms [2022-11-03 04:04:42,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 34 select indices, 34 select index equivalence classes, 583 disjoint index pairs (out of 561 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 18340 treesize of output 17705 [2022-11-03 04:04:48,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:04:49,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1302 treesize of output 1205 [2022-11-03 04:04:50,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 04:04:51,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 04:04:51,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 04:04:51,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11