./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/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_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/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_7b025914-828e-41dc-890f-c0a6b9d5a4c1/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 4230dcd825d3a8c4f2993182656471f5db1d08c7b5deb32f72a092968196ad9c --- 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 02:28:03,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:28:03,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:28:03,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:28:03,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:28:03,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:28:03,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:28:03,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:28:03,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:28:03,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:28:03,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:28:03,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:28:03,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:28:03,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:28:03,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:28:03,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:28:03,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:28:03,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:28:03,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:28:03,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:28:03,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:28:03,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:28:03,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:28:03,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:28:03,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:28:03,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:28:03,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:28:03,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:28:03,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:28:03,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:28:03,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:28:03,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:28:03,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:28:03,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:28:03,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:28:03,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:28:03,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:28:03,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:28:03,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:28:03,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:28:03,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:28:03,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:28:03,318 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:28:03,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:28:03,319 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:28:03,319 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:28:03,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:28:03,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:28:03,321 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:28:03,321 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:28:03,321 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:28:03,321 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:28:03,323 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:28:03,323 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:28:03,323 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:28:03,323 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:28:03,324 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:28:03,324 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:28:03,324 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:28:03,325 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:28:03,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:28:03,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:28:03,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:28:03,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:28:03,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:28:03,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:28:03,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:28:03,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:28:03,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:28:03,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:28:03,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:28:03,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:28:03,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:28:03,329 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:28:03,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:28:03,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:28:03,330 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:28:03,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:28:03,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:28:03,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:28:03,331 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_7b025914-828e-41dc-890f-c0a6b9d5a4c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4230dcd825d3a8c4f2993182656471f5db1d08c7b5deb32f72a092968196ad9c [2022-11-03 02:28:03,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:28:03,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:28:03,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:28:03,733 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:28:03,734 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:28:03,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2022-11-03 02:28:03,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/data/13ce38804/34be30644dd547519fbd9a554df960a8/FLAGcaa5d8f70 [2022-11-03 02:28:04,936 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:28:04,936 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2022-11-03 02:28:04,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/data/13ce38804/34be30644dd547519fbd9a554df960a8/FLAGcaa5d8f70 [2022-11-03 02:28:05,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/data/13ce38804/34be30644dd547519fbd9a554df960a8 [2022-11-03 02:28:05,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:28:05,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:28:05,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:28:05,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:28:05,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:28:05,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:28:05" (1/1) ... [2022-11-03 02:28:05,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0d43c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:05, skipping insertion in model container [2022-11-03 02:28:05,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:28:05" (1/1) ... [2022-11-03 02:28:05,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:28:05,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:28:07,781 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_7b025914-828e-41dc-890f-c0a6b9d5a4c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2022-11-03 02:28:07,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:28:07,841 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:28:08,379 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_7b025914-828e-41dc-890f-c0a6b9d5a4c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2022-11-03 02:28:08,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:28:08,510 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:28:08,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08 WrapperNode [2022-11-03 02:28:08,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:28:08,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:28:08,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:28:08,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:28:08,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:08,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:09,326 INFO L138 Inliner]: procedures = 287, calls = 1398, calls flagged for inlining = 167, calls inlined = 163, statements flattened = 3687 [2022-11-03 02:28:09,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:28:09,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:28:09,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:28:09,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:28:09,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:09,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:09,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:09,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:10,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:10,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:10,194 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:10,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:10,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:28:10,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:28:10,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:28:10,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:28:10,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (1/1) ... [2022-11-03 02:28:10,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:28:10,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:28:10,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:28:10,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:28:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:28:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:28:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:28:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:28:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:28:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:28:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:28:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:28:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2022-11-03 02:28:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2022-11-03 02:28:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:28:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:28:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2022-11-03 02:28:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2022-11-03 02:28:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:28:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:28:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2022-11-03 02:28:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2022-11-03 02:28:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:28:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:28:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2022-11-03 02:28:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2022-11-03 02:28:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 02:28:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 02:28:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2022-11-03 02:28:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2022-11-03 02:28:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:28:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:28:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:28:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:28:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:28:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:28:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2022-11-03 02:28:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2022-11-03 02:28:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2022-11-03 02:28:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2022-11-03 02:28:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:28:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:28:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2022-11-03 02:28:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2022-11-03 02:28:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2022-11-03 02:28:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2022-11-03 02:28:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:28:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:28:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2022-11-03 02:28:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2022-11-03 02:28:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 02:28:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 02:28:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 02:28:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 02:28:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:28:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:28:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:28:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:28:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-11-03 02:28:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-11-03 02:28:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:28:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:28:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:28:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:28:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2022-11-03 02:28:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2022-11-03 02:28:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 02:28:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 02:28:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 02:28:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 02:28:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:28:10,476 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2022-11-03 02:28:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2022-11-03 02:28:10,476 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:28:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:28:10,477 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2022-11-03 02:28:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2022-11-03 02:28:10,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:28:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:28:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:28:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2022-11-03 02:28:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2022-11-03 02:28:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2022-11-03 02:28:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2022-11-03 02:28:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 02:28:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 02:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2022-11-03 02:28:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2022-11-03 02:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2022-11-03 02:28:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2022-11-03 02:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:28:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:28:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-03 02:28:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-03 02:28:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:28:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:28:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2022-11-03 02:28:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2022-11-03 02:28:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2022-11-03 02:28:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2022-11-03 02:28:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:28:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2022-11-03 02:28:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2022-11-03 02:28:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2022-11-03 02:28:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2022-11-03 02:28:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:28:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:28:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2022-11-03 02:28:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2022-11-03 02:28:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:28:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2022-11-03 02:28:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2022-11-03 02:28:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:28:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:28:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:28:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:28:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:28:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:28:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2022-11-03 02:28:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2022-11-03 02:28:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:28:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:28:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:28:10,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:28:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2022-11-03 02:28:10,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2022-11-03 02:28:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 02:28:10,503 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 02:28:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2022-11-03 02:28:10,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2022-11-03 02:28:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:28:10,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:28:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-03 02:28:10,504 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-03 02:28:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:28:10,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:28:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:28:10,504 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:28:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2022-11-03 02:28:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2022-11-03 02:28:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2022-11-03 02:28:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2022-11-03 02:28:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:28:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2022-11-03 02:28:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2022-11-03 02:28:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2022-11-03 02:28:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2022-11-03 02:28:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-03 02:28:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-03 02:28:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:28:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:28:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:28:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:28:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:28:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:28:11,342 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:28:11,345 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:28:11,921 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:30:35,047 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:31:27,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:31:27,685 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:31:27,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:31:27 BoogieIcfgContainer [2022-11-03 02:31:27,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:31:27,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:31:27,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:31:27,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:31:27,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:28:05" (1/3) ... [2022-11-03 02:31:27,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528f55aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:31:27, skipping insertion in model container [2022-11-03 02:31:27,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:08" (2/3) ... [2022-11-03 02:31:27,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528f55aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:31:27, skipping insertion in model container [2022-11-03 02:31:27,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:31:27" (3/3) ... [2022-11-03 02:31:27,700 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2022-11-03 02:31:27,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:31:27,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:31:27,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:31:27,813 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;@1b25509c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:31:27,814 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:31:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 917 states, 528 states have (on average 1.2803030303030303) internal successors, (676), 565 states have internal predecessors, (676), 320 states have call successors, (320), 68 states have call predecessors, (320), 67 states have return successors, (313), 306 states have call predecessors, (313), 313 states have call successors, (313) [2022-11-03 02:31:27,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-03 02:31:27,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:27,831 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-03 02:31:27,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:27,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:27,838 INFO L85 PathProgramCache]: Analyzing trace with hash -843963419, now seen corresponding path program 1 times [2022-11-03 02:31:27,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:27,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048481964] [2022-11-03 02:31:27,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:27,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:31:29,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:29,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048481964] [2022-11-03 02:31:29,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048481964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:29,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:29,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:31:29,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430374452] [2022-11-03 02:31:29,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:29,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:31:29,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:29,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:31:29,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:29,819 INFO L87 Difference]: Start difference. First operand has 917 states, 528 states have (on average 1.2803030303030303) internal successors, (676), 565 states have internal predecessors, (676), 320 states have call successors, (320), 68 states have call predecessors, (320), 67 states have return successors, (313), 306 states have call predecessors, (313), 313 states have call successors, (313) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:31:31,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:36,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:36,910 INFO L93 Difference]: Finished difference Result 1831 states and 2637 transitions. [2022-11-03 02:31:36,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:31:36,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2022-11-03 02:31:36,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:36,964 INFO L225 Difference]: With dead ends: 1831 [2022-11-03 02:31:36,965 INFO L226 Difference]: Without dead ends: 1795 [2022-11-03 02:31:36,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:31:36,978 INFO L413 NwaCegarLoop]: 1570 mSDtfsCounter, 1297 mSDsluCounter, 4821 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 5844 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:36,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 5844 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 755 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-11-03 02:31:37,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2022-11-03 02:31:37,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1792. [2022-11-03 02:31:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1039 states have (on average 1.2675649663137631) internal successors, (1317), 1102 states have internal predecessors, (1317), 620 states have call successors, (620), 135 states have call predecessors, (620), 132 states have return successors, (635), 599 states have call predecessors, (635), 614 states have call successors, (635) [2022-11-03 02:31:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2572 transitions. [2022-11-03 02:31:37,277 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2572 transitions. Word has length 35 [2022-11-03 02:31:37,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:37,278 INFO L495 AbstractCegarLoop]: Abstraction has 1792 states and 2572 transitions. [2022-11-03 02:31:37,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:31:37,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2572 transitions. [2022-11-03 02:31:37,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-03 02:31:37,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:37,282 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-03 02:31:37,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:31:37,283 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:37,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:37,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1466331685, now seen corresponding path program 1 times [2022-11-03 02:31:37,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:37,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501053364] [2022-11-03 02:31:37,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:37,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:38,657 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:31:38,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:38,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501053364] [2022-11-03 02:31:38,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501053364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:38,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:38,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:31:38,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448988685] [2022-11-03 02:31:38,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:38,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:31:38,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:38,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:31:38,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:38,660 INFO L87 Difference]: Start difference. First operand 1792 states and 2572 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 02:31:40,771 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 02:31:45,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:45,237 INFO L93 Difference]: Finished difference Result 1798 states and 2577 transitions. [2022-11-03 02:31:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:31:45,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2022-11-03 02:31:45,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:45,253 INFO L225 Difference]: With dead ends: 1798 [2022-11-03 02:31:45,253 INFO L226 Difference]: Without dead ends: 1776 [2022-11-03 02:31:45,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:31:45,256 INFO L413 NwaCegarLoop]: 1119 mSDtfsCounter, 1276 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 3348 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:45,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 3348 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 513 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-11-03 02:31:45,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2022-11-03 02:31:45,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1776. [2022-11-03 02:31:45,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1031 states have (on average 1.2657613967022308) internal successors, (1305), 1092 states have internal predecessors, (1305), 614 states have call successors, (614), 132 states have call predecessors, (614), 130 states have return successors, (632), 596 states have call predecessors, (632), 611 states have call successors, (632) [2022-11-03 02:31:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2551 transitions. [2022-11-03 02:31:45,375 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2551 transitions. Word has length 40 [2022-11-03 02:31:45,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:45,376 INFO L495 AbstractCegarLoop]: Abstraction has 1776 states and 2551 transitions. [2022-11-03 02:31:45,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 02:31:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2551 transitions. [2022-11-03 02:31:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-03 02:31:45,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:45,400 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 02:31:45,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:31:45,401 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:45,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:45,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1835691265, now seen corresponding path program 1 times [2022-11-03 02:31:45,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:45,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457997561] [2022-11-03 02:31:45,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:45,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2022-11-03 02:31:48,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:48,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457997561] [2022-11-03 02:31:48,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457997561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:48,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:48,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:31:48,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343698223] [2022-11-03 02:31:48,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:48,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:31:48,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:48,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:31:48,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:31:48,847 INFO L87 Difference]: Start difference. First operand 1776 states and 2551 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-03 02:31:50,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:55,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:57,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:01,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:03,796 WARN L539 Checker$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 02:32:12,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:15,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:26,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:26,180 INFO L93 Difference]: Finished difference Result 2786 states and 4086 transitions. [2022-11-03 02:32:26,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:32:26,181 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 200 [2022-11-03 02:32:26,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:26,209 INFO L225 Difference]: With dead ends: 2786 [2022-11-03 02:32:26,210 INFO L226 Difference]: Without dead ends: 2776 [2022-11-03 02:32:26,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:32:26,215 INFO L413 NwaCegarLoop]: 1006 mSDtfsCounter, 3774 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 4509 mSolverCounterSat, 3517 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4075 SdHoareTripleChecker+Valid, 2555 SdHoareTripleChecker+Invalid, 8029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3517 IncrementalHoareTripleChecker+Valid, 4509 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:26,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4075 Valid, 2555 Invalid, 8029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3517 Valid, 4509 Invalid, 3 Unknown, 0 Unchecked, 36.7s Time] [2022-11-03 02:32:26,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2022-11-03 02:32:26,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2770. [2022-11-03 02:32:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 1616 states have (on average 1.2679455445544554) internal successors, (2049), 1711 states have internal predecessors, (2049), 955 states have call successors, (955), 197 states have call predecessors, (955), 198 states have return successors, (1040), 930 states have call predecessors, (1040), 952 states have call successors, (1040) [2022-11-03 02:32:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 4044 transitions. [2022-11-03 02:32:26,431 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 4044 transitions. Word has length 200 [2022-11-03 02:32:26,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:26,432 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 4044 transitions. [2022-11-03 02:32:26,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-03 02:32:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 4044 transitions. [2022-11-03 02:32:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-03 02:32:26,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:26,446 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:26,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:32:26,446 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:32:26,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:26,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1746981023, now seen corresponding path program 1 times [2022-11-03 02:32:26,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:26,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740479592] [2022-11-03 02:32:26,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:26,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-11-03 02:32:29,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:29,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740479592] [2022-11-03 02:32:29,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740479592] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:32:29,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003781773] [2022-11-03 02:32:29,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:29,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:32:29,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:32:29,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:32:29,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:32:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:33,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 4051 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:32:33,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:32:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2022-11-03 02:32:33,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:32:33,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003781773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:33,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:32:33,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2022-11-03 02:32:33,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502666901] [2022-11-03 02:32:33,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:33,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:32:33,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:33,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:32:33,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:32:33,749 INFO L87 Difference]: Start difference. First operand 2770 states and 4044 transitions. Second operand has 9 states, 6 states have (on average 16.333333333333332) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (45), 5 states have call predecessors, (45), 5 states have call successors, (45) [2022-11-03 02:32:35,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:44,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:44,956 INFO L93 Difference]: Finished difference Result 5341 states and 7762 transitions. [2022-11-03 02:32:44,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:32:44,957 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 16.333333333333332) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (45), 5 states have call predecessors, (45), 5 states have call successors, (45) Word has length 275 [2022-11-03 02:32:44,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:44,977 INFO L225 Difference]: With dead ends: 5341 [2022-11-03 02:32:44,977 INFO L226 Difference]: Without dead ends: 2803 [2022-11-03 02:32:44,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:32:44,993 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 7 mSDsluCounter, 8735 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8649 SdHoareTripleChecker+Invalid, 1659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1657 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:44,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 8649 Invalid, 1659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1657 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-11-03 02:32:44,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2022-11-03 02:32:45,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2794. [2022-11-03 02:32:45,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 1631 states have (on average 1.2660944206008584) internal successors, (2065), 1723 states have internal predecessors, (2065), 964 states have call successors, (964), 197 states have call predecessors, (964), 198 states have return successors, (1049), 939 states have call predecessors, (1049), 961 states have call successors, (1049) [2022-11-03 02:32:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 4078 transitions. [2022-11-03 02:32:45,166 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 4078 transitions. Word has length 275 [2022-11-03 02:32:45,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:45,167 INFO L495 AbstractCegarLoop]: Abstraction has 2794 states and 4078 transitions. [2022-11-03 02:32:45,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 16.333333333333332) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (45), 5 states have call predecessors, (45), 5 states have call successors, (45) [2022-11-03 02:32:45,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 4078 transitions. [2022-11-03 02:32:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-03 02:32:45,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:45,179 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:45,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:32:45,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:32:45,396 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:32:45,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:45,396 INFO L85 PathProgramCache]: Analyzing trace with hash 202365929, now seen corresponding path program 1 times [2022-11-03 02:32:45,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:45,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696463388] [2022-11-03 02:32:45,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:45,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2022-11-03 02:32:48,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:48,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696463388] [2022-11-03 02:32:48,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696463388] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:32:48,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242964896] [2022-11-03 02:32:48,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:48,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:32:48,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:32:48,060 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:32:48,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:32:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:51,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 4332 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 02:32:51,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:32:52,582 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-03 02:32:52,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:32:52,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242964896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:52,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:32:52,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [5] total 19 [2022-11-03 02:32:52,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83563301] [2022-11-03 02:32:52,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:52,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-03 02:32:52,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:52,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-03 02:32:52,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:32:52,586 INFO L87 Difference]: Start difference. First operand 2794 states and 4078 transitions. Second operand has 16 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 5 states have call successors, (53), 2 states have call predecessors, (53), 7 states have return successors, (51), 8 states have call predecessors, (51), 5 states have call successors, (51) [2022-11-03 02:32:54,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:33:11,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:33:11,519 INFO L93 Difference]: Finished difference Result 5437 states and 7953 transitions. [2022-11-03 02:33:11,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:33:11,524 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 5 states have call successors, (53), 2 states have call predecessors, (53), 7 states have return successors, (51), 8 states have call predecessors, (51), 5 states have call successors, (51) Word has length 307 [2022-11-03 02:33:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:33:11,548 INFO L225 Difference]: With dead ends: 5437 [2022-11-03 02:33:11,548 INFO L226 Difference]: Without dead ends: 2875 [2022-11-03 02:33:11,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:33:11,565 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 14 mSDsluCounter, 17999 mSDsCounter, 0 mSdLazyCounter, 3280 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 16774 SdHoareTripleChecker+Invalid, 3283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3280 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:33:11,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 16774 Invalid, 3283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3280 Invalid, 1 Unknown, 0 Unchecked, 18.1s Time] [2022-11-03 02:33:11,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2875 states. [2022-11-03 02:33:11,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2875 to 2857. [2022-11-03 02:33:11,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2857 states, 1667 states have (on average 1.2627474505098981) internal successors, (2105), 1759 states have internal predecessors, (2105), 985 states have call successors, (985), 197 states have call predecessors, (985), 204 states have return successors, (1133), 966 states have call predecessors, (1133), 982 states have call successors, (1133) [2022-11-03 02:33:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 4223 transitions. [2022-11-03 02:33:11,752 INFO L78 Accepts]: Start accepts. Automaton has 2857 states and 4223 transitions. Word has length 307 [2022-11-03 02:33:11,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:33:11,756 INFO L495 AbstractCegarLoop]: Abstraction has 2857 states and 4223 transitions. [2022-11-03 02:33:11,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 5 states have call successors, (53), 2 states have call predecessors, (53), 7 states have return successors, (51), 8 states have call predecessors, (51), 5 states have call successors, (51) [2022-11-03 02:33:11,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 4223 transitions. [2022-11-03 02:33:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-11-03 02:33:11,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:11,772 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:33:11,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:33:11,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:33:11,988 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:11,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:11,989 INFO L85 PathProgramCache]: Analyzing trace with hash 938880974, now seen corresponding path program 1 times [2022-11-03 02:33:11,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:33:11,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808147659] [2022-11-03 02:33:11,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:11,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:33:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-03 02:33:14,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:33:14,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808147659] [2022-11-03 02:33:14,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808147659] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:33:14,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933280472] [2022-11-03 02:33:14,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:14,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:33:14,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:33:14,508 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:33:14,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b025914-828e-41dc-890f-c0a6b9d5a4c1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:33:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:17,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 4352 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-03 02:33:17,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:33:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2022-11-03 02:33:18,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:33:19,848 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-11-03 02:33:19,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933280472] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:33:19,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [528140448] [2022-11-03 02:33:19,877 INFO L159 IcfgInterpreter]: Started Sifa with 149 locations of interest [2022-11-03 02:33:19,877 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:33:19,901 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:33:19,909 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:33:19,910 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:39:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:03,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:04,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:04,053 INFO L244 Elim1Store]: Index analysis took 309 ms [2022-11-03 02:39:04,072 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1377 treesize of output 1263 [2022-11-03 02:39:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:05,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:05,783 INFO L244 Elim1Store]: Index analysis took 461 ms [2022-11-03 02:39:05,787 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1395 treesize of output 1278 [2022-11-03 02:39:07,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:07,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:07,229 INFO L244 Elim1Store]: Index analysis took 236 ms [2022-11-03 02:39:07,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:08,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:08,436 INFO L244 Elim1Store]: Index analysis took 229 ms [2022-11-03 02:39:08,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:09,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:09,532 INFO L244 Elim1Store]: Index analysis took 157 ms [2022-11-03 02:39:09,536 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:10,592 INFO L244 Elim1Store]: Index analysis took 125 ms [2022-11-03 02:39:10,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:11,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:12,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:12,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:12,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:13,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:13,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:14,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:14,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:15,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:15,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:15,095 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:15,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:16,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:16,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:17,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:17,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:17,741 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:18,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:18,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:19,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:19,355 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:20,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:21,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1399 treesize of output 1282 [2022-11-03 02:39:21,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:21,944 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 153 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 152 [2022-11-03 02:39:23,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:23,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:23,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:23,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:23,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1212 treesize of output 1170