./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa00a102435cd9be2574d2e777aad2e91126f080f8422a74b94328a4b8d020d8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:43:31,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:43:31,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:43:31,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:43:31,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:43:31,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:43:31,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:43:31,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:43:31,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:43:31,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:43:31,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:43:31,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:43:31,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:43:31,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:43:31,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:43:31,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:43:31,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:43:31,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:43:31,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:43:31,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:43:31,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:43:31,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:43:31,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:43:31,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:43:31,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:43:31,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:43:31,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:43:31,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:43:31,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:43:31,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:43:31,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:43:31,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:43:31,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:43:31,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:43:31,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:43:31,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:43:31,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:43:31,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:43:31,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:43:31,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:43:31,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:43:31,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 13:43:31,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:43:31,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:43:31,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:43:31,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:43:31,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:43:31,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:43:31,372 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:43:31,373 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:43:31,373 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:43:31,373 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:43:31,374 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:43:31,374 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:43:31,374 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:43:31,375 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:43:31,375 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:43:31,375 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:43:31,375 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:43:31,375 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:43:31,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:43:31,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:43:31,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:43:31,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:43:31,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:43:31,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:43:31,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:43:31,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:43:31,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:43:31,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:43:31,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:43:31,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:43:31,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:43:31,379 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:43:31,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:43:31,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:43:31,380 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:43:31,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:43:31,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:43:31,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:43:31,381 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_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa00a102435cd9be2574d2e777aad2e91126f080f8422a74b94328a4b8d020d8 [2022-11-23 13:43:31,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:43:31,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:43:31,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:43:31,736 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:43:31,736 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:43:31,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-23 13:43:34,757 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:43:35,235 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:43:35,235 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-23 13:43:35,267 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/data/d3f4839fe/5c609e567e304b48990653440359727e/FLAGc7e1ff20f [2022-11-23 13:43:35,282 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/data/d3f4839fe/5c609e567e304b48990653440359727e [2022-11-23 13:43:35,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:43:35,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:43:35,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:43:35,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:43:35,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:43:35,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:35" (1/1) ... [2022-11-23 13:43:35,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f27465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:35, skipping insertion in model container [2022-11-23 13:43:35,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:35" (1/1) ... [2022-11-23 13:43:35,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:43:35,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:43:36,453 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2022-11-23 13:43:36,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:43:36,530 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:43:36,760 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2022-11-23 13:43:36,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:43:36,841 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:43:36,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36 WrapperNode [2022-11-23 13:43:36,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:43:36,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:43:36,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:43:36,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:43:36,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:36,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:36,999 INFO L138 Inliner]: procedures = 150, calls = 824, calls flagged for inlining = 62, calls inlined = 44, statements flattened = 1713 [2022-11-23 13:43:37,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:43:37,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:43:37,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:43:37,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:43:37,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:37,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:37,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:37,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:37,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:37,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:37,085 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:37,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:37,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:43:37,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:43:37,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:43:37,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:43:37,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (1/1) ... [2022-11-23 13:43:37,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:43:37,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:43:37,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:43:37,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:43:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-23 13:43:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-23 13:43:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 13:43:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2022-11-23 13:43:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2022-11-23 13:43:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 13:43:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 13:43:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 13:43:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 13:43:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:43:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 13:43:37,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 13:43:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_ipmi_data [2022-11-23 13:43:37,341 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_ipmi_data [2022-11-23 13:43:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-23 13:43:37,341 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-23 13:43:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 13:43:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 13:43:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 13:43:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 13:43:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-23 13:43:37,342 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-23 13:43:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:43:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 13:43:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 13:43:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 13:43:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 13:43:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 13:43:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 13:43:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure aem_delete [2022-11-23 13:43:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_delete [2022-11-23 13:43:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 13:43:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 13:43:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 13:43:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2022-11-23 13:43:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2022-11-23 13:43:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:43:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_get [2022-11-23 13:43:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_get [2022-11-23 13:43:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2022-11-23 13:43:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2022-11-23 13:43:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 13:43:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 13:43:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:43:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:43:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 13:43:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 13:43:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2022-11-23 13:43:37,348 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2022-11-23 13:43:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 13:43:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 13:43:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-11-23 13:43:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-11-23 13:43:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_6 [2022-11-23 13:43:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_6 [2022-11-23 13:43:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure aem_send_message [2022-11-23 13:43:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_send_message [2022-11-23 13:43:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-11-23 13:43:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-11-23 13:43:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_sensors [2022-11-23 13:43:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_sensors [2022-11-23 13:43:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-23 13:43:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-23 13:43:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:43:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 13:43:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_put [2022-11-23 13:43:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_put [2022-11-23 13:43:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2022-11-23 13:43:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2022-11-23 13:43:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-23 13:43:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-23 13:43:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 13:43:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 13:43:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 13:43:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 13:43:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:43:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2022-11-23 13:43:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2022-11-23 13:43:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 13:43:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-23 13:43:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-23 13:43:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:43:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:43:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure aem_remove_sensors [2022-11-23 13:43:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_remove_sensors [2022-11-23 13:43:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2022-11-23 13:43:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2022-11-23 13:43:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 13:43:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 13:43:37,802 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:43:37,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:43:37,951 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 13:43:40,308 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:43:40,588 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:43:40,589 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 13:43:40,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:40 BoogieIcfgContainer [2022-11-23 13:43:40,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:43:40,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:43:40,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:43:40,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:43:40,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:43:35" (1/3) ... [2022-11-23 13:43:40,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b812705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:43:40, skipping insertion in model container [2022-11-23 13:43:40,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:36" (2/3) ... [2022-11-23 13:43:40,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b812705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:43:40, skipping insertion in model container [2022-11-23 13:43:40,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:40" (3/3) ... [2022-11-23 13:43:40,607 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-23 13:43:40,626 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:43:40,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:43:40,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:43:40,713 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;@568deede, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:43:40,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:43:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 375 states, 236 states have (on average 1.3177966101694916) internal successors, (311), 245 states have internal predecessors, (311), 102 states have call successors, (102), 36 states have call predecessors, (102), 35 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-11-23 13:43:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-23 13:43:40,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:40,766 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-11-23 13:43:40,766 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:43:40,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:40,774 INFO L85 PathProgramCache]: Analyzing trace with hash 936411505, now seen corresponding path program 1 times [2022-11-23 13:43:40,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:40,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904105164] [2022-11-23 13:43:40,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:40,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-11-23 13:43:41,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:41,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904105164] [2022-11-23 13:43:41,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904105164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:41,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:41,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:43:41,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423354901] [2022-11-23 13:43:41,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:41,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:43:41,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:41,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:43:41,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:41,916 INFO L87 Difference]: Start difference. First operand has 375 states, 236 states have (on average 1.3177966101694916) internal successors, (311), 245 states have internal predecessors, (311), 102 states have call successors, (102), 36 states have call predecessors, (102), 35 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-23 13:43:42,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:42,639 INFO L93 Difference]: Finished difference Result 838 states and 1129 transitions. [2022-11-23 13:43:42,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:43:42,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 222 [2022-11-23 13:43:42,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:42,664 INFO L225 Difference]: With dead ends: 838 [2022-11-23 13:43:42,664 INFO L226 Difference]: Without dead ends: 420 [2022-11-23 13:43:42,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:42,677 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 185 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:42,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 857 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 13:43:42,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-11-23 13:43:42,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 413. [2022-11-23 13:43:42,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 270 states have (on average 1.2962962962962963) internal successors, (350), 272 states have internal predecessors, (350), 101 states have call successors, (101), 41 states have call predecessors, (101), 41 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2022-11-23 13:43:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 552 transitions. [2022-11-23 13:43:42,766 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 552 transitions. Word has length 222 [2022-11-23 13:43:42,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:42,768 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 552 transitions. [2022-11-23 13:43:42,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-23 13:43:42,768 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 552 transitions. [2022-11-23 13:43:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-23 13:43:42,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:42,781 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:42,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:43:42,781 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:43:42,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:42,786 INFO L85 PathProgramCache]: Analyzing trace with hash -639549739, now seen corresponding path program 1 times [2022-11-23 13:43:42,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:42,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011151573] [2022-11-23 13:43:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:42,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:43,515 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2022-11-23 13:43:43,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:43,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011151573] [2022-11-23 13:43:43,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011151573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:43,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:43,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:43:43,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278735970] [2022-11-23 13:43:43,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:43,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:43:43,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:43,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:43:43,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:43,526 INFO L87 Difference]: Start difference. First operand 413 states and 552 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-23 13:43:44,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:44,099 INFO L93 Difference]: Finished difference Result 793 states and 1061 transitions. [2022-11-23 13:43:44,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:43:44,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 234 [2022-11-23 13:43:44,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:44,105 INFO L225 Difference]: With dead ends: 793 [2022-11-23 13:43:44,108 INFO L226 Difference]: Without dead ends: 414 [2022-11-23 13:43:44,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:44,111 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 0 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:44,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 836 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 13:43:44,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-11-23 13:43:44,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2022-11-23 13:43:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 271 states have (on average 1.2952029520295203) internal successors, (351), 273 states have internal predecessors, (351), 101 states have call successors, (101), 41 states have call predecessors, (101), 41 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2022-11-23 13:43:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 553 transitions. [2022-11-23 13:43:44,163 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 553 transitions. Word has length 234 [2022-11-23 13:43:44,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:44,167 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 553 transitions. [2022-11-23 13:43:44,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-23 13:43:44,167 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 553 transitions. [2022-11-23 13:43:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-23 13:43:44,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:44,176 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:44,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:43:44,177 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:43:44,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:44,186 INFO L85 PathProgramCache]: Analyzing trace with hash -621251251, now seen corresponding path program 1 times [2022-11-23 13:43:44,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:44,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443064654] [2022-11-23 13:43:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-11-23 13:43:45,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:45,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443064654] [2022-11-23 13:43:45,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443064654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:45,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:45,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:43:45,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252212950] [2022-11-23 13:43:45,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:45,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:43:45,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:45,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:43:45,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:43:45,637 INFO L87 Difference]: Start difference. First operand 414 states and 553 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-23 13:43:47,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:47,497 INFO L93 Difference]: Finished difference Result 1172 states and 1580 transitions. [2022-11-23 13:43:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:43:47,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 235 [2022-11-23 13:43:47,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:47,508 INFO L225 Difference]: With dead ends: 1172 [2022-11-23 13:43:47,509 INFO L226 Difference]: Without dead ends: 1170 [2022-11-23 13:43:47,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:43:47,510 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 1100 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:47,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1100 Valid, 1511 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-23 13:43:47,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-11-23 13:43:47,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2022-11-23 13:43:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 774 states have (on average 1.3049095607235142) internal successors, (1010), 780 states have internal predecessors, (1010), 277 states have call successors, (277), 118 states have call predecessors, (277), 118 states have return successors, (291), 277 states have call predecessors, (291), 277 states have call successors, (291) [2022-11-23 13:43:47,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1578 transitions. [2022-11-23 13:43:47,632 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1578 transitions. Word has length 235 [2022-11-23 13:43:47,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:47,634 INFO L495 AbstractCegarLoop]: Abstraction has 1170 states and 1578 transitions. [2022-11-23 13:43:47,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-23 13:43:47,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1578 transitions. [2022-11-23 13:43:47,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-23 13:43:47,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:47,639 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:47,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:43:47,641 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:43:47,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:47,642 INFO L85 PathProgramCache]: Analyzing trace with hash -180072496, now seen corresponding path program 1 times [2022-11-23 13:43:47,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:47,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656360251] [2022-11-23 13:43:47,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:47,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-23 13:43:48,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:48,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656360251] [2022-11-23 13:43:48,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656360251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:48,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:48,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:43:48,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299407902] [2022-11-23 13:43:48,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:48,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:43:48,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:48,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:43:48,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:43:48,291 INFO L87 Difference]: Start difference. First operand 1170 states and 1578 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-23 13:43:49,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:49,358 INFO L93 Difference]: Finished difference Result 2781 states and 3866 transitions. [2022-11-23 13:43:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:43:49,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 250 [2022-11-23 13:43:49,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:49,369 INFO L225 Difference]: With dead ends: 2781 [2022-11-23 13:43:49,370 INFO L226 Difference]: Without dead ends: 1647 [2022-11-23 13:43:49,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:43:49,375 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 139 mSDsluCounter, 1538 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 2093 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:49,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 2093 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 13:43:49,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-11-23 13:43:49,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1182. [2022-11-23 13:43:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 783 states have (on average 1.301404853128991) internal successors, (1019), 789 states have internal predecessors, (1019), 277 states have call successors, (277), 118 states have call predecessors, (277), 121 states have return successors, (297), 280 states have call predecessors, (297), 277 states have call successors, (297) [2022-11-23 13:43:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1593 transitions. [2022-11-23 13:43:49,471 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1593 transitions. Word has length 250 [2022-11-23 13:43:49,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:49,472 INFO L495 AbstractCegarLoop]: Abstraction has 1182 states and 1593 transitions. [2022-11-23 13:43:49,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-23 13:43:49,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1593 transitions. [2022-11-23 13:43:49,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-23 13:43:49,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:49,477 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:49,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:43:49,478 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:43:49,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:49,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1973357026, now seen corresponding path program 1 times [2022-11-23 13:43:49,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:49,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765853794] [2022-11-23 13:43:49,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:49,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-23 13:43:50,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:50,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765853794] [2022-11-23 13:43:50,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765853794] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 13:43:50,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318932432] [2022-11-23 13:43:50,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:50,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:43:50,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:43:50,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:43:50,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 13:43:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:51,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 3211 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 13:43:51,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:43:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-23 13:43:53,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:43:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-23 13:43:53,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318932432] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:43:53,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1701113350] [2022-11-23 13:43:53,827 INFO L159 IcfgInterpreter]: Started Sifa with 158 locations of interest [2022-11-23 13:43:53,828 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:43:53,832 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:43:53,838 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:43:53,838 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:43:56,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:56,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:43:56,123 INFO L217 Elim1Store]: Index analysis took 170 ms [2022-11-23 13:44:00,728 INFO L321 Elim1Store]: treesize reduction 1390, result has 32.2 percent of original size [2022-11-23 13:44:00,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 59 select indices, 59 select index equivalence classes, 1715 disjoint index pairs (out of 1711 index pairs), introduced 59 new quantified variables, introduced 59 case distinctions, treesize of input 305 treesize of output 847 [2022-11-23 13:44:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:02,052 INFO L217 Elim1Store]: Index analysis took 244 ms [2022-11-23 13:44:09,828 WARN L233 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 943 DAG size of output: 471 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:44:09,831 INFO L321 Elim1Store]: treesize reduction 2226, result has 25.5 percent of original size [2022-11-23 13:44:09,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 62 select indices, 62 select index equivalence classes, 1774 disjoint index pairs (out of 1891 index pairs), introduced 62 new quantified variables, introduced 177 case distinctions, treesize of input 324 treesize of output 965 [2022-11-23 13:44:13,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 13:44:13,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 13:44:13,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-23 13:44:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:15,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:15,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 61 select indices, 61 select index equivalence classes, 1832 disjoint index pairs (out of 1830 index pairs), introduced 61 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 184 [2022-11-23 13:44:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:16,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:16,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 126 select indices, 126 select index equivalence classes, 512 disjoint index pairs (out of 7875 index pairs), introduced 126 new quantified variables, introduced 0 case distinctions, treesize of input 993 treesize of output 379 [2022-11-23 13:44:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:16,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:16,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 62 select indices, 62 select index equivalence classes, 1891 disjoint index pairs (out of 1891 index pairs), introduced 62 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 187 [2022-11-23 13:44:20,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:20,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:20,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 61 select indices, 61 select index equivalence classes, 1832 disjoint index pairs (out of 1830 index pairs), introduced 61 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 184 [2022-11-23 13:44:21,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:21,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:21,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:21,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:21,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:21,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:21,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 126 select indices, 126 select index equivalence classes, 512 disjoint index pairs (out of 7875 index pairs), introduced 126 new quantified variables, introduced 0 case distinctions, treesize of input 993 treesize of output 379 [2022-11-23 13:44:21,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:21,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:44:21,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 62 select indices, 62 select index equivalence classes, 1891 disjoint index pairs (out of 1891 index pairs), introduced 62 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 187 [2022-11-23 13:44:24,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:24,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:24,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:25,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:25,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:25,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:28,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:28,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:28,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:30,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:30,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:30,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:32,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:33,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:33,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:34,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:34,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:34,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:37,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:37,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:37,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:39,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:39,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:39,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:42,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:42,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:42,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:44,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:44,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:44,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:47,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:47,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:47,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:49,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:49,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:49,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:52,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:52,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:52,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:54,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:54,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:54,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:57,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:57,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:57,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:59,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:44:59,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:44:59,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:47:00,204 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 929 for LOIs [2022-11-23 13:47:01,757 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 1614 for LOIs [2022-11-23 13:47:04,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 13:47:07,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 13:47:11,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,301 INFO L217 Elim1Store]: Index analysis took 259 ms [2022-11-23 13:47:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:11,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 61 select indices, 61 select index equivalence classes, 1895 disjoint index pairs (out of 1830 index pairs), introduced 61 new quantified variables, introduced 0 case distinctions, treesize of input 314 treesize of output 1 [2022-11-23 13:47:18,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,413 INFO L217 Elim1Store]: Index analysis took 170 ms [2022-11-23 13:47:18,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:18,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 61 select indices, 61 select index equivalence classes, 1895 disjoint index pairs (out of 1830 index pairs), introduced 61 new quantified variables, introduced 0 case distinctions, treesize of input 314 treesize of output 1 [2022-11-23 13:47:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:25,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:26,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:47:26,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 61 select indices, 61 select index equivalence classes, 1895 disjoint index pairs (out of 1830 index pairs), introduced 61 new quantified variables, introduced 0 case distinctions, treesize of input 314 treesize of output 1 [2022-11-23 13:47:26,135 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 107 for LOIs [2022-11-23 13:47:26,141 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 91 for LOIs [2022-11-23 13:47:26,155 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 13:47:58,898 WARN L233 SmtUtils]: Spent 32.54s on a formula simplification. DAG size of input: 1531 DAG size of output: 1319 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:48:18,035 WARN L233 SmtUtils]: Spent 14.15s on a formula simplification. DAG size of input: 948 DAG size of output: 940 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:48:32,747 WARN L233 SmtUtils]: Spent 14.32s on a formula simplification. DAG size of input: 952 DAG size of output: 944 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:48:48,038 WARN L233 SmtUtils]: Spent 14.85s on a formula simplification. DAG size of input: 968 DAG size of output: 956 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:49:03,363 WARN L233 SmtUtils]: Spent 14.84s on a formula simplification. DAG size of input: 971 DAG size of output: 959 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:49:19,261 WARN L233 SmtUtils]: Spent 15.34s on a formula simplification. DAG size of input: 984 DAG size of output: 968 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:49:34,920 WARN L233 SmtUtils]: Spent 15.15s on a formula simplification. DAG size of input: 988 DAG size of output: 972 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:49:51,248 WARN L233 SmtUtils]: Spent 15.74s on a formula simplification. DAG size of input: 1003 DAG size of output: 983 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:50:07,996 WARN L233 SmtUtils]: Spent 16.13s on a formula simplification. DAG size of input: 1007 DAG size of output: 987 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:50:25,182 WARN L233 SmtUtils]: Spent 16.52s on a formula simplification. DAG size of input: 1023 DAG size of output: 999 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:50:42,684 WARN L233 SmtUtils]: Spent 16.81s on a formula simplification. DAG size of input: 1026 DAG size of output: 1002 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:51:00,708 WARN L233 SmtUtils]: Spent 17.27s on a formula simplification. DAG size of input: 1041 DAG size of output: 1014 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:51:19,761 WARN L233 SmtUtils]: Spent 18.29s on a formula simplification. DAG size of input: 1045 DAG size of output: 1018 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:51:39,486 WARN L233 SmtUtils]: Spent 18.77s on a formula simplification. DAG size of input: 1060 DAG size of output: 1029 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:51:58,782 WARN L233 SmtUtils]: Spent 18.38s on a formula simplification. DAG size of input: 1063 DAG size of output: 1032 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:52:18,986 WARN L233 SmtUtils]: Spent 19.20s on a formula simplification. DAG size of input: 1077 DAG size of output: 1042 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:52:39,075 WARN L233 SmtUtils]: Spent 19.09s on a formula simplification. DAG size of input: 1080 DAG size of output: 1045 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:53:12,001 WARN L233 SmtUtils]: Spent 31.64s on a formula simplification. DAG size of input: 1193 DAG size of output: 1063 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:53:45,652 WARN L233 SmtUtils]: Spent 32.99s on a formula simplification. DAG size of input: 1197 DAG size of output: 1097 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:53:56,801 WARN L233 SmtUtils]: Spent 10.51s on a formula simplification. DAG size of input: 929 DAG size of output: 830 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:54:08,418 WARN L233 SmtUtils]: Spent 10.98s on a formula simplification. DAG size of input: 947 DAG size of output: 848 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:54:08,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1701113350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:08,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 13:54:08,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [8, 8, 7] total 49 [2022-11-23 13:54:08,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067968656] [2022-11-23 13:54:08,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:08,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-23 13:54:08,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:08,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-23 13:54:08,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=340, Invalid=2012, Unknown=0, NotChecked=0, Total=2352 [2022-11-23 13:54:08,462 INFO L87 Difference]: Start difference. First operand 1182 states and 1593 transitions. Second operand has 33 states, 18 states have (on average 5.666666666666667) internal successors, (102), 17 states have internal predecessors, (102), 13 states have call successors, (36), 5 states have call predecessors, (36), 4 states have return successors, (35), 12 states have call predecessors, (35), 13 states have call successors, (35) [2022-11-23 13:55:01,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:02,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:39,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:55:39,524 INFO L93 Difference]: Finished difference Result 2336 states and 3151 transitions. [2022-11-23 13:55:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-23 13:55:39,525 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 18 states have (on average 5.666666666666667) internal successors, (102), 17 states have internal predecessors, (102), 13 states have call successors, (36), 5 states have call predecessors, (36), 4 states have return successors, (35), 12 states have call predecessors, (35), 13 states have call successors, (35) Word has length 264 [2022-11-23 13:55:39,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:55:39,531 INFO L225 Difference]: With dead ends: 2336 [2022-11-23 13:55:39,531 INFO L226 Difference]: Without dead ends: 1184 [2022-11-23 13:55:39,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 803 GetRequests, 747 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 405.4s TimeCoverageRelationStatistics Valid=379, Invalid=2273, Unknown=0, NotChecked=0, Total=2652 [2022-11-23 13:55:39,536 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 7 mSDsluCounter, 7558 mSDsCounter, 0 mSdLazyCounter, 5579 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 7954 SdHoareTripleChecker+Invalid, 5582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.6s IncrementalHoareTripleChecker+Time [2022-11-23 13:55:39,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 7954 Invalid, 5582 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 5579 Invalid, 0 Unknown, 0 Unchecked, 87.6s Time] [2022-11-23 13:55:39,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2022-11-23 13:55:39,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1184. [2022-11-23 13:55:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 785 states have (on average 1.3006369426751592) internal successors, (1021), 790 states have internal predecessors, (1021), 277 states have call successors, (277), 119 states have call predecessors, (277), 121 states have return successors, (297), 280 states have call predecessors, (297), 277 states have call successors, (297) [2022-11-23 13:55:39,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1595 transitions. [2022-11-23 13:55:39,692 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1595 transitions. Word has length 264 [2022-11-23 13:55:39,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:55:39,693 INFO L495 AbstractCegarLoop]: Abstraction has 1184 states and 1595 transitions. [2022-11-23 13:55:39,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 18 states have (on average 5.666666666666667) internal successors, (102), 17 states have internal predecessors, (102), 13 states have call successors, (36), 5 states have call predecessors, (36), 4 states have return successors, (35), 12 states have call predecessors, (35), 13 states have call successors, (35) [2022-11-23 13:55:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1595 transitions. [2022-11-23 13:55:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-23 13:55:39,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:55:39,699 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:55:39,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 13:55:39,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:55:39,916 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:55:39,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:55:39,917 INFO L85 PathProgramCache]: Analyzing trace with hash 238438186, now seen corresponding path program 1 times [2022-11-23 13:55:39,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:55:39,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483014345] [2022-11-23 13:55:39,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:55:39,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:55:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:55:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-23 13:55:41,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:55:41,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483014345] [2022-11-23 13:55:41,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483014345] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 13:55:41,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475915475] [2022-11-23 13:55:41,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:55:41,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:55:41,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:55:41,223 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:55:41,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409d049b-b3c9-48fe-bd02-30ae9fd2a8c2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 13:55:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:55:42,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 3144 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 13:55:42,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:55:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-23 13:55:43,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:55:43,896 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-23 13:55:43,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475915475] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:55:43,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1009592890] [2022-11-23 13:55:43,901 INFO L159 IcfgInterpreter]: Started Sifa with 161 locations of interest [2022-11-23 13:55:43,902 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:55:43,903 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:55:43,903 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:55:43,903 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:55:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:45,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:45,111 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-11-23 13:55:53,185 WARN L233 SmtUtils]: Spent 8.06s on a formula simplification. DAG size of input: 943 DAG size of output: 471 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:55:53,186 INFO L321 Elim1Store]: treesize reduction 2226, result has 25.5 percent of original size [2022-11-23 13:55:53,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 62 select indices, 62 select index equivalence classes, 1774 disjoint index pairs (out of 1891 index pairs), introduced 62 new quantified variables, introduced 177 case distinctions, treesize of input 324 treesize of output 965 [2022-11-23 13:55:54,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:54,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:54,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 59 select indices, 59 select index equivalence classes, 1832 disjoint index pairs (out of 1711 index pairs), introduced 59 new quantified variables, introduced 0 case distinctions, treesize of input 305 treesize of output 483 [2022-11-23 13:55:57,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 13:55:57,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 13:55:57,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-23 13:55:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:58,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:58,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:58,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:58,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:58,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 126 select indices, 126 select index equivalence classes, 512 disjoint index pairs (out of 7875 index pairs), introduced 126 new quantified variables, introduced 0 case distinctions, treesize of input 993 treesize of output 379 [2022-11-23 13:55:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:59,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:59,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 62 select indices, 62 select index equivalence classes, 1891 disjoint index pairs (out of 1891 index pairs), introduced 62 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 187 [2022-11-23 13:55:59,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:59,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:59,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 61 select indices, 61 select index equivalence classes, 1832 disjoint index pairs (out of 1830 index pairs), introduced 61 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 184 [2022-11-23 13:56:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:03,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 62 select indices, 62 select index equivalence classes, 1891 disjoint index pairs (out of 1891 index pairs), introduced 62 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 187 [2022-11-23 13:56:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:03,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:03,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 61 select indices, 61 select index equivalence classes, 1832 disjoint index pairs (out of 1830 index pairs), introduced 61 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 184 [2022-11-23 13:56:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:03,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 126 select indices, 126 select index equivalence classes, 512 disjoint index pairs (out of 7875 index pairs), introduced 126 new quantified variables, introduced 0 case distinctions, treesize of input 993 treesize of output 379 [2022-11-23 13:56:18,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:18,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:56:18,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:19,076 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:56:19,113 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:56:19,114 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:56:31,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:56:31,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:31,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:32,300 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:56:32,315 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:56:32,324 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:56:34,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:34,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:34,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:56:36,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:56:36,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:36,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:38,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:38,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:56:38,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:40,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:40,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:40,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:56:43,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:56:43,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:43,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:44,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:56:45,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:56:45,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:57:11,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:57:11,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 13:57:11,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 13:57:12,212 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:57:12,225 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:57:12,229 WARN L207 Elim1Store]: Array PQE input equivalent to false