./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS --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 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce --- 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-8393723 [2022-11-19 08:15:31,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:15:31,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:15:31,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:15:31,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:15:31,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:15:31,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:15:31,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:15:31,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:15:31,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:15:31,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:15:31,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:15:31,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:15:31,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:15:31,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:15:31,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:15:31,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:15:31,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:15:31,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:15:31,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:15:31,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:15:31,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:15:31,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:15:31,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:15:31,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:15:31,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:15:31,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:15:31,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:15:31,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:15:31,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:15:31,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:15:31,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:15:31,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:15:31,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:15:31,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:15:31,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:15:31,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:15:31,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:15:31,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:15:31,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:15:31,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:15:31,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:15:31,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:15:31,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:15:31,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:15:31,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:15:31,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:15:31,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:15:31,385 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:15:31,385 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:15:31,385 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:15:31,385 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:15:31,386 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:15:31,387 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:15:31,387 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:15:31,387 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:15:31,387 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:15:31,388 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:15:31,388 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:15:31,388 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:15:31,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:15:31,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:15:31,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:15:31,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:15:31,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:15:31,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:15:31,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:15:31,390 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:15:31,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:15:31,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:15:31,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:15:31,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:15:31,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:15:31,392 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:15:31,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:15:31,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:15:31,392 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:15:31,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:15:31,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:15:31,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:15:31,393 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_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce [2022-11-19 08:15:31,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:15:31,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:15:31,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:15:31,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:15:31,700 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:15:31,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2022-11-19 08:15:31,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/data/e9b424222/4eb31d2994a54dc3a2d6006e59826ace/FLAG59b005630 [2022-11-19 08:15:32,702 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:15:32,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2022-11-19 08:15:32,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/data/e9b424222/4eb31d2994a54dc3a2d6006e59826ace/FLAG59b005630 [2022-11-19 08:15:33,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/data/e9b424222/4eb31d2994a54dc3a2d6006e59826ace [2022-11-19 08:15:33,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:15:33,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:15:33,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:33,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:15:33,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:15:33,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:33" (1/1) ... [2022-11-19 08:15:33,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db212d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:33, skipping insertion in model container [2022-11-19 08:15:33,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:33" (1/1) ... [2022-11-19 08:15:33,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:15:33,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:15:35,263 WARN L234 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_e662eac3-2fdb-4b4a-9360-a8069caa18f4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2022-11-19 08:15:35,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:15:35,364 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:15:35,810 WARN L234 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_e662eac3-2fdb-4b4a-9360-a8069caa18f4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2022-11-19 08:15:35,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:15:35,992 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:15:35,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35 WrapperNode [2022-11-19 08:15:35,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:35,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:15:35,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:15:35,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:15:36,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,252 INFO L138 Inliner]: procedures = 262, calls = 1355, calls flagged for inlining = 121, calls inlined = 116, statements flattened = 3450 [2022-11-19 08:15:36,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:15:36,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:15:36,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:15:36,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:15:36,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,471 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:15:36,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:15:36,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:15:36,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:15:36,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (1/1) ... [2022-11-19 08:15:36,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:15:36,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:15:36,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:15:36,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:15:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2022-11-19 08:15:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2022-11-19 08:15:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-19 08:15:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-19 08:15:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:15:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:15:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 08:15:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 08:15:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2022-11-19 08:15:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2022-11-19 08:15:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:15:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:15:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:15:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:15:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2022-11-19 08:15:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2022-11-19 08:15:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 08:15:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 08:15:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 08:15:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 08:15:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:15:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:15:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 08:15:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 08:15:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2022-11-19 08:15:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2022-11-19 08:15:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 08:15:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 08:15:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:15:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:15:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-19 08:15:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-19 08:15:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 08:15:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 08:15:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-19 08:15:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-19 08:15:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 08:15:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 08:15:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-19 08:15:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-19 08:15:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2022-11-19 08:15:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2022-11-19 08:15:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-19 08:15:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-19 08:15:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:15:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:15:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-19 08:15:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-19 08:15:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 08:15:36,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 08:15:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 08:15:36,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 08:15:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2022-11-19 08:15:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2022-11-19 08:15:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2022-11-19 08:15:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2022-11-19 08:15:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-11-19 08:15:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-11-19 08:15:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:15:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 08:15:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 08:15:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-19 08:15:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-19 08:15:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-19 08:15:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-19 08:15:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:15:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-19 08:15:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-19 08:15:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 08:15:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 08:15:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-19 08:15:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-19 08:15:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 08:15:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 08:15:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2022-11-19 08:15:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2022-11-19 08:15:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 08:15:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 08:15:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2022-11-19 08:15:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2022-11-19 08:15:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:15:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:15:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2022-11-19 08:15:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2022-11-19 08:15:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 08:15:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 08:15:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 08:15:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 08:15:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 08:15:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 08:15:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:15:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-19 08:15:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-19 08:15:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:15:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:15:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2022-11-19 08:15:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2022-11-19 08:15:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2022-11-19 08:15:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2022-11-19 08:15:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2022-11-19 08:15:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2022-11-19 08:15:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:15:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2022-11-19 08:15:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2022-11-19 08:15:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 08:15:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 08:15:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:15:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 08:15:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 08:15:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 08:15:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 08:15:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:15:36,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:15:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:15:36,671 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:15:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 08:15:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 08:15:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 08:15:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 08:15:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 08:15:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 08:15:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:15:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:15:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:15:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 08:15:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 08:15:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-19 08:15:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-19 08:15:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:15:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:15:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2022-11-19 08:15:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2022-11-19 08:15:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 08:15:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 08:15:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2022-11-19 08:15:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2022-11-19 08:15:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:15:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2022-11-19 08:15:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2022-11-19 08:15:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 08:15:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 08:15:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2022-11-19 08:15:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2022-11-19 08:15:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:15:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:15:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:15:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:15:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 08:15:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 08:15:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-19 08:15:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-19 08:15:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2022-11-19 08:15:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2022-11-19 08:15:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-19 08:15:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-19 08:15:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2022-11-19 08:15:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2022-11-19 08:15:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-19 08:15:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-19 08:15:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 08:15:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 08:15:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2022-11-19 08:15:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2022-11-19 08:15:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 08:15:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 08:15:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2022-11-19 08:15:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2022-11-19 08:15:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-19 08:15:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-19 08:15:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2022-11-19 08:15:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2022-11-19 08:15:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:15:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:15:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:15:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2022-11-19 08:15:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2022-11-19 08:15:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2022-11-19 08:15:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2022-11-19 08:15:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-19 08:15:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-19 08:15:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:15:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:15:37,524 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:15:37,530 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:15:38,657 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:15:41,809 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:15:43,161 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:15:43,162 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 08:15:43,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:15:43 BoogieIcfgContainer [2022-11-19 08:15:43,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:15:43,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:15:43,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:15:43,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:15:43,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:15:33" (1/3) ... [2022-11-19 08:15:43,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1072d18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:15:43, skipping insertion in model container [2022-11-19 08:15:43,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:35" (2/3) ... [2022-11-19 08:15:43,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1072d18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:15:43, skipping insertion in model container [2022-11-19 08:15:43,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:15:43" (3/3) ... [2022-11-19 08:15:43,179 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2022-11-19 08:15:43,200 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:15:43,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:15:43,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:15:43,320 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;@2158a25d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:15:43,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:15:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 1110 states, 664 states have (on average 1.3132530120481927) internal successors, (872), 697 states have internal predecessors, (872), 364 states have call successors, (364), 83 states have call predecessors, (364), 82 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) [2022-11-19 08:15:43,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-19 08:15:43,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:43,377 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:15:43,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:15:43,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:43,386 INFO L85 PathProgramCache]: Analyzing trace with hash 683411106, now seen corresponding path program 1 times [2022-11-19 08:15:43,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:43,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291062950] [2022-11-19 08:15:43,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:43,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:15:44,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:15:44,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291062950] [2022-11-19 08:15:44,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291062950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:15:44,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:15:44,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:15:44,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101585292] [2022-11-19 08:15:44,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:15:44,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:15:44,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:15:44,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:15:44,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:15:44,448 INFO L87 Difference]: Start difference. First operand has 1110 states, 664 states have (on average 1.3132530120481927) internal successors, (872), 697 states have internal predecessors, (872), 364 states have call successors, (364), 83 states have call predecessors, (364), 82 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 08:15:49,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:15:50,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:15:52,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:15:54,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:54,058 INFO L93 Difference]: Finished difference Result 3253 states and 4730 transitions. [2022-11-19 08:15:54,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:15:54,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 94 [2022-11-19 08:15:54,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:54,087 INFO L225 Difference]: With dead ends: 3253 [2022-11-19 08:15:54,087 INFO L226 Difference]: Without dead ends: 2133 [2022-11-19 08:15:54,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:15:54,102 INFO L413 NwaCegarLoop]: 1805 mSDtfsCounter, 1503 mSDsluCounter, 4999 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 6804 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:54,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 6804 Invalid, 694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 690 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-11-19 08:15:54,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-11-19 08:15:54,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2123. [2022-11-19 08:15:54,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1277 states have (on average 1.297572435395458) internal successors, (1657), 1322 states have internal predecessors, (1657), 685 states have call successors, (685), 162 states have call predecessors, (685), 160 states have return successors, (686), 681 states have call predecessors, (686), 684 states have call successors, (686) [2022-11-19 08:15:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3028 transitions. [2022-11-19 08:15:54,386 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3028 transitions. Word has length 94 [2022-11-19 08:15:54,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:15:54,388 INFO L495 AbstractCegarLoop]: Abstraction has 2123 states and 3028 transitions. [2022-11-19 08:15:54,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 08:15:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3028 transitions. [2022-11-19 08:15:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-19 08:15:54,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:54,399 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:15:54,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:15:54,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:15:54,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:54,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1612717960, now seen corresponding path program 1 times [2022-11-19 08:15:54,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:54,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145098908] [2022-11-19 08:15:54,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:54,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:15:54,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:15:54,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145098908] [2022-11-19 08:15:54,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145098908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:15:54,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:15:54,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:15:54,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674383748] [2022-11-19 08:15:54,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:15:54,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:15:54,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:15:54,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:15:54,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:15:54,918 INFO L87 Difference]: Start difference. First operand 2123 states and 3028 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 08:15:59,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:59,650 INFO L93 Difference]: Finished difference Result 5281 states and 7532 transitions. [2022-11-19 08:15:59,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:15:59,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 93 [2022-11-19 08:15:59,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:59,670 INFO L225 Difference]: With dead ends: 5281 [2022-11-19 08:15:59,670 INFO L226 Difference]: Without dead ends: 3174 [2022-11-19 08:15:59,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:15:59,682 INFO L413 NwaCegarLoop]: 1777 mSDtfsCounter, 1482 mSDsluCounter, 4923 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 6700 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:59,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 6700 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-19 08:15:59,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2022-11-19 08:15:59,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 3151. [2022-11-19 08:15:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 1896 states have (on average 1.2990506329113924) internal successors, (2463), 1967 states have internal predecessors, (2463), 1015 states have call successors, (1015), 242 states have call predecessors, (1015), 239 states have return successors, (1018), 1005 states have call predecessors, (1018), 1014 states have call successors, (1018) [2022-11-19 08:15:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 4496 transitions. [2022-11-19 08:15:59,868 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 4496 transitions. Word has length 93 [2022-11-19 08:15:59,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:15:59,871 INFO L495 AbstractCegarLoop]: Abstraction has 3151 states and 4496 transitions. [2022-11-19 08:15:59,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 08:15:59,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 4496 transitions. [2022-11-19 08:15:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-19 08:15:59,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:59,878 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:15:59,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:15:59,878 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:15:59,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:59,888 INFO L85 PathProgramCache]: Analyzing trace with hash 291752149, now seen corresponding path program 1 times [2022-11-19 08:15:59,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:59,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888040268] [2022-11-19 08:15:59,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:59,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:16:00,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:00,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888040268] [2022-11-19 08:16:00,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888040268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:00,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:00,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:16:00,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942353828] [2022-11-19 08:16:00,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:00,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:16:00,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:00,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:16:00,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:16:00,255 INFO L87 Difference]: Start difference. First operand 3151 states and 4496 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 08:16:03,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:05,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:06,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:08,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:09,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:09,075 INFO L93 Difference]: Finished difference Result 5789 states and 8235 transitions. [2022-11-19 08:16:09,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:16:09,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 95 [2022-11-19 08:16:09,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:09,093 INFO L225 Difference]: With dead ends: 5789 [2022-11-19 08:16:09,094 INFO L226 Difference]: Without dead ends: 3174 [2022-11-19 08:16:09,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:16:09,105 INFO L413 NwaCegarLoop]: 1774 mSDtfsCounter, 1477 mSDsluCounter, 4915 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 6689 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:09,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 6689 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-11-19 08:16:09,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2022-11-19 08:16:09,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 3155. [2022-11-19 08:16:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3155 states, 1900 states have (on average 1.298421052631579) internal successors, (2467), 1970 states have internal predecessors, (2467), 1014 states have call successors, (1014), 243 states have call predecessors, (1014), 240 states have return successors, (1017), 1005 states have call predecessors, (1017), 1013 states have call successors, (1017) [2022-11-19 08:16:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 4498 transitions. [2022-11-19 08:16:09,268 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 4498 transitions. Word has length 95 [2022-11-19 08:16:09,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:09,268 INFO L495 AbstractCegarLoop]: Abstraction has 3155 states and 4498 transitions. [2022-11-19 08:16:09,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 08:16:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 4498 transitions. [2022-11-19 08:16:09,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-19 08:16:09,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:09,274 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:09,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:16:09,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:09,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:09,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1816956897, now seen corresponding path program 1 times [2022-11-19 08:16:09,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:09,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747366010] [2022-11-19 08:16:09,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:09,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:16:09,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:09,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747366010] [2022-11-19 08:16:09,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747366010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:09,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:09,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:16:09,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012599783] [2022-11-19 08:16:09,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:09,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:16:09,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:09,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:16:09,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:16:09,674 INFO L87 Difference]: Start difference. First operand 3155 states and 4498 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 08:16:14,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:15,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:15,678 INFO L93 Difference]: Finished difference Result 5517 states and 7819 transitions. [2022-11-19 08:16:15,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:16:15,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 96 [2022-11-19 08:16:15,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:15,697 INFO L225 Difference]: With dead ends: 5517 [2022-11-19 08:16:15,698 INFO L226 Difference]: Without dead ends: 2897 [2022-11-19 08:16:15,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:16:15,712 INFO L413 NwaCegarLoop]: 1785 mSDtfsCounter, 1475 mSDsluCounter, 4937 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 6722 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:15,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 6722 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-19 08:16:15,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2022-11-19 08:16:15,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2881. [2022-11-19 08:16:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 1725 states have (on average 1.2910144927536231) internal successors, (2227), 1782 states have internal predecessors, (2227), 926 states have call successors, (926), 232 states have call predecessors, (926), 229 states have return successors, (929), 918 states have call predecessors, (929), 925 states have call successors, (929) [2022-11-19 08:16:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4082 transitions. [2022-11-19 08:16:15,963 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 4082 transitions. Word has length 96 [2022-11-19 08:16:15,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:15,964 INFO L495 AbstractCegarLoop]: Abstraction has 2881 states and 4082 transitions. [2022-11-19 08:16:15,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 08:16:15,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 4082 transitions. [2022-11-19 08:16:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-19 08:16:15,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:15,973 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:15,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:16:15,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:15,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:15,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2138141985, now seen corresponding path program 1 times [2022-11-19 08:16:15,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:15,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16102566] [2022-11-19 08:16:15,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:15,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-19 08:16:16,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:16,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16102566] [2022-11-19 08:16:16,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16102566] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:16:16,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794788330] [2022-11-19 08:16:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:16,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:16,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:16,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:16:16,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:16:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:17,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 2125 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:16:17,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:16:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:16:17,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:16:17,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794788330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:17,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:16:17,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-19 08:16:17,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490390340] [2022-11-19 08:16:17,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:17,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:16:17,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:17,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:16:17,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-19 08:16:17,911 INFO L87 Difference]: Start difference. First operand 2881 states and 4082 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:16:22,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:24,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:26,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:28,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:30,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:30,513 INFO L93 Difference]: Finished difference Result 6824 states and 9673 transitions. [2022-11-19 08:16:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 08:16:30,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2022-11-19 08:16:30,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:30,541 INFO L225 Difference]: With dead ends: 6824 [2022-11-19 08:16:30,541 INFO L226 Difference]: Without dead ends: 4707 [2022-11-19 08:16:30,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-19 08:16:30,553 INFO L413 NwaCegarLoop]: 2068 mSDtfsCounter, 1509 mSDsluCounter, 9648 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11716 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:30,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11716 Invalid, 1252 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1248 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2022-11-19 08:16:30,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4707 states. [2022-11-19 08:16:30,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4707 to 4674. [2022-11-19 08:16:30,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4674 states, 2798 states have (on average 1.2912794853466762) internal successors, (3613), 2894 states have internal predecessors, (3613), 1498 states have call successors, (1498), 380 states have call predecessors, (1498), 377 states have return successors, (1510), 1481 states have call predecessors, (1510), 1497 states have call successors, (1510) [2022-11-19 08:16:30,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4674 states to 4674 states and 6621 transitions. [2022-11-19 08:16:30,825 INFO L78 Accepts]: Start accepts. Automaton has 4674 states and 6621 transitions. Word has length 106 [2022-11-19 08:16:30,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:30,826 INFO L495 AbstractCegarLoop]: Abstraction has 4674 states and 6621 transitions. [2022-11-19 08:16:30,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:16:30,827 INFO L276 IsEmpty]: Start isEmpty. Operand 4674 states and 6621 transitions. [2022-11-19 08:16:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-19 08:16:30,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:30,834 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-19 08:16:30,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 08:16:31,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:31,043 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:31,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:31,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1955572526, now seen corresponding path program 1 times [2022-11-19 08:16:31,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:31,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952579232] [2022-11-19 08:16:31,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:31,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:16:31,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:31,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952579232] [2022-11-19 08:16:31,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952579232] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:16:31,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115120422] [2022-11-19 08:16:31,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:31,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:31,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:31,611 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:16:31,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:16:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:32,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 2127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:16:32,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:16:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:16:32,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:16:32,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115120422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:32,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:16:32,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 08:16:32,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355073681] [2022-11-19 08:16:32,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:32,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:16:32,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:32,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:16:32,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:16:32,673 INFO L87 Difference]: Start difference. First operand 4674 states and 6621 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:16:38,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:40,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:41,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:43,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:45,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:45,108 INFO L93 Difference]: Finished difference Result 10421 states and 14761 transitions. [2022-11-19 08:16:45,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 08:16:45,109 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2022-11-19 08:16:45,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:45,147 INFO L225 Difference]: With dead ends: 10421 [2022-11-19 08:16:45,148 INFO L226 Difference]: Without dead ends: 6511 [2022-11-19 08:16:45,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-19 08:16:45,164 INFO L413 NwaCegarLoop]: 2080 mSDtfsCounter, 1509 mSDsluCounter, 9684 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11764 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:45,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11764 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1261 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2022-11-19 08:16:45,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6511 states. [2022-11-19 08:16:45,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6511 to 6472. [2022-11-19 08:16:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6472 states, 3874 states have (on average 1.2911719153329893) internal successors, (5002), 4012 states have internal predecessors, (5002), 2070 states have call successors, (2070), 528 states have call predecessors, (2070), 527 states have return successors, (2094), 2043 states have call predecessors, (2094), 2069 states have call successors, (2094) [2022-11-19 08:16:45,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6472 states to 6472 states and 9166 transitions. [2022-11-19 08:16:45,539 INFO L78 Accepts]: Start accepts. Automaton has 6472 states and 9166 transitions. Word has length 107 [2022-11-19 08:16:45,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:45,541 INFO L495 AbstractCegarLoop]: Abstraction has 6472 states and 9166 transitions. [2022-11-19 08:16:45,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:16:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 6472 states and 9166 transitions. [2022-11-19 08:16:45,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-19 08:16:45,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:45,553 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-19 08:16:45,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:16:45,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-19 08:16:45,768 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:45,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:45,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1859309798, now seen corresponding path program 1 times [2022-11-19 08:16:45,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:45,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898854599] [2022-11-19 08:16:45,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:16:46,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:46,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898854599] [2022-11-19 08:16:46,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898854599] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:16:46,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170748120] [2022-11-19 08:16:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:46,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:46,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:46,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:16:46,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:16:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:47,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 2129 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:16:47,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:16:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:16:47,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:16:47,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170748120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:47,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:16:47,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 08:16:47,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020683505] [2022-11-19 08:16:47,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:47,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:16:47,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:47,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:16:47,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:16:47,288 INFO L87 Difference]: Start difference. First operand 6472 states and 9166 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:16:51,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:53,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:55,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:55,234 INFO L93 Difference]: Finished difference Result 14015 states and 19847 transitions. [2022-11-19 08:16:55,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 08:16:55,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2022-11-19 08:16:55,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:55,290 INFO L225 Difference]: With dead ends: 14015 [2022-11-19 08:16:55,291 INFO L226 Difference]: Without dead ends: 8307 [2022-11-19 08:16:55,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-19 08:16:55,319 INFO L413 NwaCegarLoop]: 2080 mSDtfsCounter, 1509 mSDsluCounter, 9684 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11764 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:55,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11764 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-19 08:16:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8307 states. [2022-11-19 08:16:55,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8307 to 6473. [2022-11-19 08:16:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6473 states, 3875 states have (on average 1.2910967741935484) internal successors, (5003), 4012 states have internal predecessors, (5003), 2070 states have call successors, (2070), 528 states have call predecessors, (2070), 527 states have return successors, (2094), 2044 states have call predecessors, (2094), 2069 states have call successors, (2094) [2022-11-19 08:16:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 9167 transitions. [2022-11-19 08:16:55,770 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 9167 transitions. Word has length 108 [2022-11-19 08:16:55,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:55,771 INFO L495 AbstractCegarLoop]: Abstraction has 6473 states and 9167 transitions. [2022-11-19 08:16:55,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:16:55,771 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 9167 transitions. [2022-11-19 08:16:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-19 08:16:55,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:55,780 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-19 08:16:55,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:16:55,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:55,990 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:55,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:55,990 INFO L85 PathProgramCache]: Analyzing trace with hash -722771541, now seen corresponding path program 1 times [2022-11-19 08:16:55,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:55,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490761303] [2022-11-19 08:16:55,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:55,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:16:56,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:56,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490761303] [2022-11-19 08:16:56,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490761303] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:16:56,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381631794] [2022-11-19 08:16:56,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:56,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:56,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:56,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:16:56,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:16:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:57,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:16:57,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:16:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 08:16:57,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:16:57,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381631794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:57,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:16:57,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 08:16:57,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210856800] [2022-11-19 08:16:57,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:57,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:16:57,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:57,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:16:57,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:16:57,496 INFO L87 Difference]: Start difference. First operand 6473 states and 9167 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:17:02,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:17:04,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:17:04,496 INFO L93 Difference]: Finished difference Result 14379 states and 20326 transitions. [2022-11-19 08:17:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 08:17:04,496 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2022-11-19 08:17:04,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:17:04,534 INFO L225 Difference]: With dead ends: 14379 [2022-11-19 08:17:04,535 INFO L226 Difference]: Without dead ends: 8670 [2022-11-19 08:17:04,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-19 08:17:04,558 INFO L413 NwaCegarLoop]: 2040 mSDtfsCounter, 1318 mSDsluCounter, 9524 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 11564 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:17:04,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 11564 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1255 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-11-19 08:17:04,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8670 states. [2022-11-19 08:17:05,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8670 to 8597. [2022-11-19 08:17:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8597 states, 5146 states have (on average 1.2918771861640108) internal successors, (6648), 5322 states have internal predecessors, (6648), 2733 states have call successors, (2733), 720 states have call predecessors, (2733), 717 states have return successors, (2766), 2696 states have call predecessors, (2766), 2732 states have call successors, (2766) [2022-11-19 08:17:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8597 states to 8597 states and 12147 transitions. [2022-11-19 08:17:05,056 INFO L78 Accepts]: Start accepts. Automaton has 8597 states and 12147 transitions. Word has length 109 [2022-11-19 08:17:05,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:17:05,057 INFO L495 AbstractCegarLoop]: Abstraction has 8597 states and 12147 transitions. [2022-11-19 08:17:05,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:17:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 8597 states and 12147 transitions. [2022-11-19 08:17:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-19 08:17:05,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:05,070 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-19 08:17:05,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:17:05,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:17:05,280 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:17:05,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:05,280 INFO L85 PathProgramCache]: Analyzing trace with hash -190780886, now seen corresponding path program 1 times [2022-11-19 08:17:05,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:05,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369205460] [2022-11-19 08:17:05,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:05,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-19 08:17:05,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:05,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369205460] [2022-11-19 08:17:05,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369205460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:05,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:17:05,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:17:05,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190541908] [2022-11-19 08:17:05,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:05,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:17:05,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:05,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:17:05,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:17:05,502 INFO L87 Difference]: Start difference. First operand 8597 states and 12147 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 08:17:07,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:17:07,628 INFO L93 Difference]: Finished difference Result 10293 states and 14305 transitions. [2022-11-19 08:17:07,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:17:07,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 125 [2022-11-19 08:17:07,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:17:07,673 INFO L225 Difference]: With dead ends: 10293 [2022-11-19 08:17:07,673 INFO L226 Difference]: Without dead ends: 10290 [2022-11-19 08:17:07,677 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 [2022-11-19 08:17:07,678 INFO L413 NwaCegarLoop]: 1570 mSDtfsCounter, 1134 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:17:07,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 2206 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 08:17:07,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10290 states. [2022-11-19 08:17:08,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10290 to 10290. [2022-11-19 08:17:08,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10290 states, 5973 states have (on average 1.2630169094257493) internal successors, (7544), 6154 states have internal predecessors, (7544), 3358 states have call successors, (3358), 961 states have call predecessors, (3358), 958 states have return successors, (3391), 3321 states have call predecessors, (3391), 3357 states have call successors, (3391) [2022-11-19 08:17:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10290 states to 10290 states and 14293 transitions. [2022-11-19 08:17:08,167 INFO L78 Accepts]: Start accepts. Automaton has 10290 states and 14293 transitions. Word has length 125 [2022-11-19 08:17:08,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:17:08,168 INFO L495 AbstractCegarLoop]: Abstraction has 10290 states and 14293 transitions. [2022-11-19 08:17:08,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 08:17:08,168 INFO L276 IsEmpty]: Start isEmpty. Operand 10290 states and 14293 transitions. [2022-11-19 08:17:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-19 08:17:08,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:08,191 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:17:08,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 08:17:08,191 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:17:08,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:08,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1232955982, now seen corresponding path program 1 times [2022-11-19 08:17:08,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:08,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834987237] [2022-11-19 08:17:08,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:08,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-19 08:17:08,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:08,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834987237] [2022-11-19 08:17:08,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834987237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:08,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:17:08,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:17:08,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749927565] [2022-11-19 08:17:08,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:08,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:17:08,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:08,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:17:08,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:17:08,476 INFO L87 Difference]: Start difference. First operand 10290 states and 14293 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 08:17:11,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:17:11,356 INFO L93 Difference]: Finished difference Result 27017 states and 37424 transitions. [2022-11-19 08:17:11,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:17:11,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 143 [2022-11-19 08:17:11,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:17:11,445 INFO L225 Difference]: With dead ends: 27017 [2022-11-19 08:17:11,446 INFO L226 Difference]: Without dead ends: 16743 [2022-11-19 08:17:11,487 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 [2022-11-19 08:17:11,487 INFO L413 NwaCegarLoop]: 1666 mSDtfsCounter, 1188 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:17:11,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 2962 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-19 08:17:11,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16743 states. [2022-11-19 08:17:12,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16743 to 16722. [2022-11-19 08:17:12,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16722 states, 9747 states have (on average 1.261105981327588) internal successors, (12292), 10070 states have internal predecessors, (12292), 5392 states have call successors, (5392), 1577 states have call predecessors, (5392), 1582 states have return successors, (5439), 5331 states have call predecessors, (5439), 5391 states have call successors, (5439) [2022-11-19 08:17:12,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16722 states to 16722 states and 23123 transitions. [2022-11-19 08:17:12,466 INFO L78 Accepts]: Start accepts. Automaton has 16722 states and 23123 transitions. Word has length 143 [2022-11-19 08:17:12,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:17:12,469 INFO L495 AbstractCegarLoop]: Abstraction has 16722 states and 23123 transitions. [2022-11-19 08:17:12,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 08:17:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 16722 states and 23123 transitions. [2022-11-19 08:17:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-19 08:17:12,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:12,478 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:17:12,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 08:17:12,479 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:17:12,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:12,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1316562483, now seen corresponding path program 1 times [2022-11-19 08:17:12,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:12,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970460916] [2022-11-19 08:17:12,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:12,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 08:17:12,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:12,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970460916] [2022-11-19 08:17:12,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970460916] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:17:12,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986025607] [2022-11-19 08:17:12,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:12,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:17:12,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:17:12,979 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:17:12,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e662eac3-2fdb-4b4a-9360-a8069caa18f4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:17:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:14,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 2360 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 08:17:14,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:17:14,303 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-19 08:17:14,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:17:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-19 08:17:14,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986025607] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:17:14,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [155965570] [2022-11-19 08:17:14,733 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2022-11-19 08:17:14,737 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:17:14,742 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:17:14,748 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:17:14,748 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:17:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:16,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:16,961 INFO L217 Elim1Store]: Index analysis took 143 ms [2022-11-19 08:17:20,297 INFO L321 Elim1Store]: treesize reduction 1114, result has 31.7 percent of original size [2022-11-19 08:17:20,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 47 select indices, 47 select index equivalence classes, 1085 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 47 case distinctions, treesize of input 245 treesize of output 667 [2022-11-19 08:17:21,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:21,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:21,661 INFO L217 Elim1Store]: Index analysis took 226 ms [2022-11-19 08:17:27,273 WARN L233 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 751 DAG size of output: 375 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:17:27,275 INFO L321 Elim1Store]: treesize reduction 1770, result has 25.4 percent of original size [2022-11-19 08:17:27,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 50 select indices, 50 select index equivalence classes, 1132 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 141 case distinctions, treesize of input 264 treesize of output 773 [2022-11-19 08:17:28,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 08:17:28,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 08:17:28,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 08:17:28,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 08:17:28,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 08:17:28,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 08:17:29,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-19 08:17:33,536 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 [2022-11-19 08:17:33,540 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 [2022-11-19 08:17:33,548 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 [2022-11-19 08:17:36,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 1225 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 151 [2022-11-19 08:17:36,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:36,776 INFO L217 Elim1Store]: Index analysis took 108 ms [2022-11-19 08:17:36,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 126 select indices, 126 select index equivalence classes, 1228 disjoint index pairs (out of 7875 index pairs), introduced 126 new quantified variables, introduced 0 case distinctions, treesize of input 1025 treesize of output 379 [2022-11-19 08:17:37,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:37,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:37,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 49 select indices, 49 select index equivalence classes, 1178 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 148 [2022-11-19 08:17:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,238 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-19 08:17:44,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 126 select indices, 126 select index equivalence classes, 1228 disjoint index pairs (out of 7875 index pairs), introduced 126 new quantified variables, introduced 0 case distinctions, treesize of input 1025 treesize of output 379 [2022-11-19 08:17:44,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:44,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 49 select indices, 49 select index equivalence classes, 1178 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 148 [2022-11-19 08:17:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:45,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 1225 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 151 [2022-11-19 08:18:23,718 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 [2022-11-19 08:18:24,047 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 [2022-11-19 08:18:24,214 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 [2022-11-19 08:18:25,114 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:18:25,144 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:18:25,154 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:18:57,425 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 [2022-11-19 08:18:57,679 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 [2022-11-19 08:18:57,972 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 [2022-11-19 08:18:58,897 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:18:58,921 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:18:58,948 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:05,835 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 [2022-11-19 08:19:06,045 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 [2022-11-19 08:19:06,365 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 [2022-11-19 08:19:09,962 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 [2022-11-19 08:19:10,499 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 [2022-11-19 08:19:10,726 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 [2022-11-19 08:19:19,043 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 [2022-11-19 08:19:19,305 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 [2022-11-19 08:19:19,474 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 [2022-11-19 08:19:24,023 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 [2022-11-19 08:19:24,377 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 [2022-11-19 08:19:24,587 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 [2022-11-19 08:20:14,526 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1297 for LOIs [2022-11-19 08:20:19,322 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 2058 for LOIs [2022-11-19 08:20:27,459 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 [2022-11-19 08:20:28,269 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 [2022-11-19 08:20:39,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:39,324 INFO L217 Elim1Store]: Index analysis took 151 ms [2022-11-19 08:20:39,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1228 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 400 [2022-11-19 08:20:40,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:40,734 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-19 08:20:40,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1264 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 22 case distinctions, treesize of input 262 treesize of output 453 [2022-11-19 08:20:57,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:57,446 INFO L217 Elim1Store]: Index analysis took 147 ms [2022-11-19 08:20:57,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1228 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 400 [2022-11-19 08:20:58,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:58,315 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-19 08:20:59,242 INFO L321 Elim1Store]: treesize reduction 414, result has 33.4 percent of original size [2022-11-19 08:20:59,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1252 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 46 case distinctions, treesize of input 262 treesize of output 501 [2022-11-19 08:21:19,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1228 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 400 [2022-11-19 08:21:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:22,171 INFO L321 Elim1Store]: treesize reduction 756, result has 33.4 percent of original size [2022-11-19 08:21:22,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1233 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 84 case distinctions, treesize of input 262 treesize of output 577 [2022-11-19 08:21:25,081 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 2154 for LOIs [2022-11-19 08:21:33,435 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 148 for LOIs [2022-11-19 08:21:33,476 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:22:27,096 WARN L233 SmtUtils]: Spent 52.93s on a formula simplification. DAG size of input: 1913 DAG size of output: 1749 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:23:22,718 WARN L233 SmtUtils]: Spent 54.69s on a formula simplification. DAG size of input: 2058 DAG size of output: 1992 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:24:24,080 WARN L233 SmtUtils]: Spent 1.00m on a formula simplification. DAG size of input: 2076 DAG size of output: 2011 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:25:18,718 WARN L233 SmtUtils]: Spent 53.27s on a formula simplification. DAG size of input: 2154 DAG size of output: 2005 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:26:14,774 WARN L233 SmtUtils]: Spent 54.72s on a formula simplification. DAG size of input: 2156 DAG size of output: 2007 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:27:06,073 WARN L233 SmtUtils]: Spent 45.63s on a formula simplification. DAG size of input: 1497 DAG size of output: 1348 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:27:51,739 WARN L233 SmtUtils]: Spent 44.34s on a formula simplification. DAG size of input: 1501 DAG size of output: 1349 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:23,049 WARN L233 SmtUtils]: Spent 30.15s on a formula simplification. DAG size of input: 1371 DAG size of output: 1359 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:54,679 WARN L233 SmtUtils]: Spent 30.44s on a formula simplification. DAG size of input: 1374 DAG size of output: 1362 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:29:26,975 WARN L233 SmtUtils]: Spent 31.00s on a formula simplification. DAG size of input: 1388 DAG size of output: 1372 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)