./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--packetengines--hamachi.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/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_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/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--packetengines--hamachi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/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_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/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 375c8b791fa06d541fb014bd5076ab9979e5fb4b76e2515aaac1f292cd2a1d79 --- 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 07:38:13,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:38:13,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:38:13,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:38:13,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:38:13,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:38:13,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:38:13,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:38:13,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:38:13,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:38:13,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:38:13,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:38:13,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:38:13,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:38:13,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:38:13,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:38:13,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:38:13,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:38:13,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:38:13,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:38:13,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:38:13,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:38:13,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:38:13,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:38:13,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:38:13,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:38:13,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:38:13,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:38:13,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:38:13,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:38:13,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:38:13,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:38:13,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:38:13,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:38:13,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:38:13,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:38:13,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:38:13,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:38:13,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:38:13,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:38:13,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:38:13,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:38:13,459 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:38:13,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:38:13,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:38:13,460 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:38:13,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:38:13,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:38:13,462 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:38:13,462 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:38:13,463 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:38:13,463 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:38:13,464 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:38:13,464 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:38:13,465 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:38:13,465 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:38:13,465 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:38:13,465 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:38:13,466 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:38:13,466 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:38:13,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:38:13,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:38:13,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:38:13,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:38:13,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:38:13,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:38:13,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:38:13,470 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:38:13,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:38:13,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:38:13,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:38:13,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:38:13,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:38:13,472 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:38:13,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:38:13,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:38:13,473 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:38:13,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:38:13,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:38:13,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:38:13,474 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_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375c8b791fa06d541fb014bd5076ab9979e5fb4b76e2515aaac1f292cd2a1d79 [2022-11-19 07:38:13,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:38:13,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:38:13,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:38:13,808 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:38:13,831 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:38:13,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2022-11-19 07:38:13,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/data/10b9d8e08/9d651fe6faff4e599bf430acb19e1d53/FLAG465b3a4f4 [2022-11-19 07:38:14,880 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:38:14,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2022-11-19 07:38:14,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/data/10b9d8e08/9d651fe6faff4e599bf430acb19e1d53/FLAG465b3a4f4 [2022-11-19 07:38:15,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/data/10b9d8e08/9d651fe6faff4e599bf430acb19e1d53 [2022-11-19 07:38:15,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:38:15,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:38:15,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:38:15,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:38:15,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:38:15,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:15" (1/1) ... [2022-11-19 07:38:15,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba5c09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:15, skipping insertion in model container [2022-11-19 07:38:15,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:15" (1/1) ... [2022-11-19 07:38:15,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:38:15,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:38:17,425 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_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i[258653,258666] [2022-11-19 07:38:17,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:38:17,608 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:38:18,078 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_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i[258653,258666] [2022-11-19 07:38:18,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:38:18,309 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:38:18,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18 WrapperNode [2022-11-19 07:38:18,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:38:18,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:38:18,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:38:18,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:38:18,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:18,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:18,655 INFO L138 Inliner]: procedures = 226, calls = 1460, calls flagged for inlining = 121, calls inlined = 118, statements flattened = 3839 [2022-11-19 07:38:18,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:38:18,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:38:18,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:38:18,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:38:18,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:18,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:18,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:18,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:18,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:18,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:18,954 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:18,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:19,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:38:19,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:38:19,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:38:19,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:38:19,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (1/1) ... [2022-11-19 07:38:19,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:38:19,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:19,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:38:19,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:38:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_drvinfo [2022-11-19 07:38:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_drvinfo [2022-11-19 07:38:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2022-11-19 07:38:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2022-11-19 07:38:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:38:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:38:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 07:38:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 07:38:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:38:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:38:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:38:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:38:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-19 07:38:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-19 07:38:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 07:38:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 07:38:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 07:38:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 07:38:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:38:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:38:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-19 07:38:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-19 07:38:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:38:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:38:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 07:38:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 07:38:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:38:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:38:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:38:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:38:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:38:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:38:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:38:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:38:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 07:38:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 07:38:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 07:38:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 07:38:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:38:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 07:38:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 07:38:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-19 07:38:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-19 07:38:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:38:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-19 07:38:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-19 07:38:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:38:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:38:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 07:38:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 07:38:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 07:38:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 07:38:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 07:38:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 07:38:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:38:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 07:38:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 07:38:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:38:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 07:38:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 07:38:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-19 07:38:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-19 07:38:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:38:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:38:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:38:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:38:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:38:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:38:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:38:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:38:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-19 07:38:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-19 07:38:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:38:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-19 07:38:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-19 07:38:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:38:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:38:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:38:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:38:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2022-11-19 07:38:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2022-11-19 07:38:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:38:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:38:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 07:38:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 07:38:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:38:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 07:38:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 07:38:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:38:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:38:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:38:19,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:38:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:38:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 07:38:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 07:38:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:38:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:38:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:38:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:38:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 07:38:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 07:38:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2022-11-19 07:38:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2022-11-19 07:38:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-19 07:38:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-19 07:38:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 07:38:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 07:38:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2022-11-19 07:38:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2022-11-19 07:38:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:38:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:38:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 07:38:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 07:38:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-19 07:38:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-19 07:38:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:38:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:38:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:38:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:38:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:38:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-19 07:38:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-19 07:38:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-19 07:38:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-19 07:38:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-19 07:38:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-19 07:38:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-19 07:38:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-19 07:38:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:38:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:38:20,155 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:38:20,161 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:38:21,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:38:24,215 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:38:25,646 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:38:25,647 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:38:25,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:25 BoogieIcfgContainer [2022-11-19 07:38:25,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:38:25,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:38:25,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:38:25,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:38:25,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:15" (1/3) ... [2022-11-19 07:38:25,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a0690e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:25, skipping insertion in model container [2022-11-19 07:38:25,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:18" (2/3) ... [2022-11-19 07:38:25,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a0690e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:25, skipping insertion in model container [2022-11-19 07:38:25,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:25" (3/3) ... [2022-11-19 07:38:25,666 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2022-11-19 07:38:25,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:38:25,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:38:25,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:38:25,835 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;@d3d4880, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:38:25,835 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:38:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 880 states, 537 states have (on average 1.366852886405959) internal successors, (734), 565 states have internal predecessors, (734), 285 states have call successors, (285), 57 states have call predecessors, (285), 56 states have return successors, (277), 267 states have call predecessors, (277), 277 states have call successors, (277) [2022-11-19 07:38:25,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-19 07:38:25,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:25,891 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 07:38:25,892 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:25,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:25,901 INFO L85 PathProgramCache]: Analyzing trace with hash -529133692, now seen corresponding path program 1 times [2022-11-19 07:38:25,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:25,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955693872] [2022-11-19 07:38:25,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:25,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:38:27,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:27,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955693872] [2022-11-19 07:38:27,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955693872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:27,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:27,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:38:27,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526269156] [2022-11-19 07:38:27,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:27,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:38:27,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:27,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:38:27,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:27,124 INFO L87 Difference]: Start difference. First operand has 880 states, 537 states have (on average 1.366852886405959) internal successors, (734), 565 states have internal predecessors, (734), 285 states have call successors, (285), 57 states have call predecessors, (285), 56 states have return successors, (277), 267 states have call predecessors, (277), 277 states have call successors, (277) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 07:38:29,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:30,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:30,898 INFO L93 Difference]: Finished difference Result 2235 states and 3276 transitions. [2022-11-19 07:38:30,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:30,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2022-11-19 07:38:30,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:30,928 INFO L225 Difference]: With dead ends: 2235 [2022-11-19 07:38:30,928 INFO L226 Difference]: Without dead ends: 1347 [2022-11-19 07:38:30,945 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 07:38:30,949 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 720 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 2331 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:30,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 2331 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 345 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 07:38:30,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2022-11-19 07:38:31,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1342. [2022-11-19 07:38:31,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 836 states have (on average 1.332535885167464) internal successors, (1114), 863 states have internal predecessors, (1114), 407 states have call successors, (407), 99 states have call predecessors, (407), 98 states have return successors, (406), 392 states have call predecessors, (406), 406 states have call successors, (406) [2022-11-19 07:38:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1927 transitions. [2022-11-19 07:38:31,147 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1927 transitions. Word has length 120 [2022-11-19 07:38:31,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:31,149 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1927 transitions. [2022-11-19 07:38:31,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 07:38:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1927 transitions. [2022-11-19 07:38:31,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-19 07:38:31,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:31,171 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 07:38:31,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:38:31,172 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:31,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:31,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1751474770, now seen corresponding path program 1 times [2022-11-19 07:38:31,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:31,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629736973] [2022-11-19 07:38:31,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:31,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:38:32,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:32,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629736973] [2022-11-19 07:38:32,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629736973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:32,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:32,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:38:32,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426854279] [2022-11-19 07:38:32,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:32,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:38:32,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:32,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:38:32,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:38:32,073 INFO L87 Difference]: Start difference. First operand 1342 states and 1927 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 07:38:35,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:36,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:36,315 INFO L93 Difference]: Finished difference Result 3159 states and 4515 transitions. [2022-11-19 07:38:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:38:36,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 132 [2022-11-19 07:38:36,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:36,332 INFO L225 Difference]: With dead ends: 3159 [2022-11-19 07:38:36,332 INFO L226 Difference]: Without dead ends: 1841 [2022-11-19 07:38:36,339 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 07:38:36,341 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 690 mSDsluCounter, 3615 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 4878 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:36,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 4878 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 584 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-19 07:38:36,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2022-11-19 07:38:36,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1825. [2022-11-19 07:38:36,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1143 states have (on average 1.326334208223972) internal successors, (1516), 1182 states have internal predecessors, (1516), 540 states have call successors, (540), 142 states have call predecessors, (540), 141 states have return successors, (539), 519 states have call predecessors, (539), 539 states have call successors, (539) [2022-11-19 07:38:36,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2595 transitions. [2022-11-19 07:38:36,497 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2595 transitions. Word has length 132 [2022-11-19 07:38:36,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:36,503 INFO L495 AbstractCegarLoop]: Abstraction has 1825 states and 2595 transitions. [2022-11-19 07:38:36,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 07:38:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2595 transitions. [2022-11-19 07:38:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-19 07:38:36,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:36,518 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 07:38:36,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:38:36,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:36,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:36,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1929296256, now seen corresponding path program 1 times [2022-11-19 07:38:36,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:36,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094576038] [2022-11-19 07:38:36,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:36,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:38:37,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:37,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094576038] [2022-11-19 07:38:37,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094576038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:37,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:37,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:38:37,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219003580] [2022-11-19 07:38:37,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:37,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:38:37,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:37,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:38:37,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:38:37,386 INFO L87 Difference]: Start difference. First operand 1825 states and 2595 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 07:38:40,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:41,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:41,777 INFO L93 Difference]: Finished difference Result 3889 states and 5507 transitions. [2022-11-19 07:38:41,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:38:41,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 135 [2022-11-19 07:38:41,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:41,797 INFO L225 Difference]: With dead ends: 3889 [2022-11-19 07:38:41,797 INFO L226 Difference]: Without dead ends: 2332 [2022-11-19 07:38:41,807 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 07:38:41,809 INFO L413 NwaCegarLoop]: 1258 mSDtfsCounter, 684 mSDsluCounter, 3603 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 4861 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:41,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 4861 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 572 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-19 07:38:41,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2332 states. [2022-11-19 07:38:41,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2332 to 2311. [2022-11-19 07:38:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 1454 states have (on average 1.3218707015130673) internal successors, (1922), 1500 states have internal predecessors, (1922), 672 states have call successors, (672), 185 states have call predecessors, (672), 184 states have return successors, (671), 650 states have call predecessors, (671), 671 states have call successors, (671) [2022-11-19 07:38:42,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 3265 transitions. [2022-11-19 07:38:42,028 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 3265 transitions. Word has length 135 [2022-11-19 07:38:42,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:42,031 INFO L495 AbstractCegarLoop]: Abstraction has 2311 states and 3265 transitions. [2022-11-19 07:38:42,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 07:38:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 3265 transitions. [2022-11-19 07:38:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-19 07:38:42,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:42,037 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 07:38:42,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:38:42,037 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:42,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:42,039 INFO L85 PathProgramCache]: Analyzing trace with hash 396232143, now seen corresponding path program 1 times [2022-11-19 07:38:42,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:42,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201851317] [2022-11-19 07:38:42,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:42,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:38:42,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:42,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201851317] [2022-11-19 07:38:42,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201851317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:42,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:42,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:38:42,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537761120] [2022-11-19 07:38:42,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:42,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:38:42,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:42,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:38:42,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:38:42,708 INFO L87 Difference]: Start difference. First operand 2311 states and 3265 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 07:38:45,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:46,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:46,871 INFO L93 Difference]: Finished difference Result 4380 states and 6179 transitions. [2022-11-19 07:38:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:38:46,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2022-11-19 07:38:46,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:46,889 INFO L225 Difference]: With dead ends: 4380 [2022-11-19 07:38:46,890 INFO L226 Difference]: Without dead ends: 2336 [2022-11-19 07:38:46,900 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 07:38:46,901 INFO L413 NwaCegarLoop]: 1258 mSDtfsCounter, 684 mSDsluCounter, 3603 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 4861 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:46,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 4861 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 572 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-19 07:38:46,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2022-11-19 07:38:47,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2315. [2022-11-19 07:38:47,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 1458 states have (on average 1.3209876543209877) internal successors, (1926), 1503 states have internal predecessors, (1926), 671 states have call successors, (671), 186 states have call predecessors, (671), 185 states have return successors, (670), 650 states have call predecessors, (670), 670 states have call successors, (670) [2022-11-19 07:38:47,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 3267 transitions. [2022-11-19 07:38:47,067 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 3267 transitions. Word has length 134 [2022-11-19 07:38:47,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:47,068 INFO L495 AbstractCegarLoop]: Abstraction has 2315 states and 3267 transitions. [2022-11-19 07:38:47,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 07:38:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 3267 transitions. [2022-11-19 07:38:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-19 07:38:47,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:47,074 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 07:38:47,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:38:47,074 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:47,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:47,075 INFO L85 PathProgramCache]: Analyzing trace with hash 357022371, now seen corresponding path program 1 times [2022-11-19 07:38:47,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:47,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140697273] [2022-11-19 07:38:47,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:47,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:38:47,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:47,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140697273] [2022-11-19 07:38:47,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140697273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:47,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:47,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:38:47,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892818968] [2022-11-19 07:38:47,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:47,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:38:47,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:47,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:38:47,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:38:47,625 INFO L87 Difference]: Start difference. First operand 2315 states and 3267 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 07:38:50,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:51,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:51,738 INFO L93 Difference]: Finished difference Result 4165 states and 5878 transitions. [2022-11-19 07:38:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:38:51,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 133 [2022-11-19 07:38:51,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:51,753 INFO L225 Difference]: With dead ends: 4165 [2022-11-19 07:38:51,753 INFO L226 Difference]: Without dead ends: 2116 [2022-11-19 07:38:51,763 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 07:38:51,764 INFO L413 NwaCegarLoop]: 1258 mSDtfsCounter, 684 mSDsluCounter, 3603 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 4861 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:51,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 4861 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 572 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-19 07:38:51,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2022-11-19 07:38:51,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 2098. [2022-11-19 07:38:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 1324 states have (on average 1.3270392749244713) internal successors, (1757), 1364 states have internal predecessors, (1757), 605 states have call successors, (605), 169 states have call predecessors, (605), 168 states have return successors, (604), 587 states have call predecessors, (604), 604 states have call successors, (604) [2022-11-19 07:38:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2966 transitions. [2022-11-19 07:38:51,905 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2966 transitions. Word has length 133 [2022-11-19 07:38:51,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:51,907 INFO L495 AbstractCegarLoop]: Abstraction has 2098 states and 2966 transitions. [2022-11-19 07:38:51,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-19 07:38:51,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2966 transitions. [2022-11-19 07:38:51,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-19 07:38:51,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:51,914 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:51,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:38:51,915 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:51,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:51,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1538867512, now seen corresponding path program 1 times [2022-11-19 07:38:51,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:51,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86161506] [2022-11-19 07:38:51,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:51,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:52,725 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-19 07:38:52,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:52,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86161506] [2022-11-19 07:38:52,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86161506] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:38:52,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338802870] [2022-11-19 07:38:52,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:52,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:52,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:52,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:38:52,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:38:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:53,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 2758 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:38:54,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:38:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:38:54,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:38:54,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338802870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:54,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:38:54,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-19 07:38:54,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893898740] [2022-11-19 07:38:54,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:54,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:38:54,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:54,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:38:54,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-19 07:38:54,340 INFO L87 Difference]: Start difference. First operand 2098 states and 2966 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:38:58,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:00,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:00,686 INFO L93 Difference]: Finished difference Result 5433 states and 7683 transitions. [2022-11-19 07:39:00,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:39:00,687 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 146 [2022-11-19 07:39:00,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:00,710 INFO L225 Difference]: With dead ends: 5433 [2022-11-19 07:39:00,710 INFO L226 Difference]: Without dead ends: 3618 [2022-11-19 07:39:00,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 144 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 07:39:00,722 INFO L413 NwaCegarLoop]: 1748 mSDtfsCounter, 1091 mSDsluCounter, 8088 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 9836 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:00,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 9836 Invalid, 1213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1210 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-19 07:39:00,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2022-11-19 07:39:00,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3578. [2022-11-19 07:39:00,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3578 states, 2275 states have (on average 1.3314285714285714) internal successors, (3029), 2351 states have internal predecessors, (3029), 1011 states have call successors, (1011), 289 states have call predecessors, (1011), 291 states have return successors, (1019), 976 states have call predecessors, (1019), 1010 states have call successors, (1019) [2022-11-19 07:39:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3578 states and 5059 transitions. [2022-11-19 07:39:00,952 INFO L78 Accepts]: Start accepts. Automaton has 3578 states and 5059 transitions. Word has length 146 [2022-11-19 07:39:00,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:00,953 INFO L495 AbstractCegarLoop]: Abstraction has 3578 states and 5059 transitions. [2022-11-19 07:39:00,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:39:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 5059 transitions. [2022-11-19 07:39:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-19 07:39:00,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:00,959 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:39:00,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:39:01,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:01,171 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:39:01,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:01,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1019310242, now seen corresponding path program 1 times [2022-11-19 07:39:01,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:01,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594013813] [2022-11-19 07:39:01,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:01,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:39:02,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:02,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594013813] [2022-11-19 07:39:02,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594013813] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:39:02,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254996208] [2022-11-19 07:39:02,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:02,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:02,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:39:02,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:39:02,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:39:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:03,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:39:03,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:39:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:39:03,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:39:03,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254996208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:39:03,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:39:03,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 07:39:03,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006872192] [2022-11-19 07:39:03,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:39:03,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:39:03,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:39:03,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:39:03,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 07:39:03,454 INFO L87 Difference]: Start difference. First operand 3578 states and 5059 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:39:07,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:09,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:09,519 INFO L93 Difference]: Finished difference Result 8412 states and 11886 transitions. [2022-11-19 07:39:09,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:39:09,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 147 [2022-11-19 07:39:09,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:09,556 INFO L225 Difference]: With dead ends: 8412 [2022-11-19 07:39:09,556 INFO L226 Difference]: Without dead ends: 5117 [2022-11-19 07:39:09,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-19 07:39:09,575 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 1091 mSDsluCounter, 8276 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 10074 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:09,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 10074 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1257 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-19 07:39:09,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5117 states. [2022-11-19 07:39:09,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5117 to 5069. [2022-11-19 07:39:09,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5069 states, 3233 states have (on average 1.3325085060315496) internal successors, (4308), 3350 states have internal predecessors, (4308), 1417 states have call successors, (1417), 409 states have call predecessors, (1417), 418 states have return successors, (1440), 1364 states have call predecessors, (1440), 1416 states have call successors, (1440) [2022-11-19 07:39:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5069 states to 5069 states and 7165 transitions. [2022-11-19 07:39:09,925 INFO L78 Accepts]: Start accepts. Automaton has 5069 states and 7165 transitions. Word has length 147 [2022-11-19 07:39:09,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:09,926 INFO L495 AbstractCegarLoop]: Abstraction has 5069 states and 7165 transitions. [2022-11-19 07:39:09,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:39:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5069 states and 7165 transitions. [2022-11-19 07:39:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-19 07:39:09,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:09,933 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:39:09,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:39:10,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:10,151 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:39:10,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:10,152 INFO L85 PathProgramCache]: Analyzing trace with hash 2072950671, now seen corresponding path program 1 times [2022-11-19 07:39:10,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:10,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984368262] [2022-11-19 07:39:10,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:10,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:10,980 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:39:10,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:10,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984368262] [2022-11-19 07:39:10,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984368262] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:39:10,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194458387] [2022-11-19 07:39:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:10,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:10,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:39:10,983 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:39:11,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:39:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:12,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 2762 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:39:12,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:39:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:39:12,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:39:12,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194458387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:39:12,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:39:12,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 07:39:12,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150801316] [2022-11-19 07:39:12,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:39:12,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:39:12,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:39:12,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:39:12,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 07:39:12,306 INFO L87 Difference]: Start difference. First operand 5069 states and 7165 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:39:15,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:18,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:18,156 INFO L93 Difference]: Finished difference Result 11390 states and 16090 transitions. [2022-11-19 07:39:18,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:39:18,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 148 [2022-11-19 07:39:18,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:18,283 INFO L225 Difference]: With dead ends: 11390 [2022-11-19 07:39:18,283 INFO L226 Difference]: Without dead ends: 6604 [2022-11-19 07:39:18,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 145 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 07:39:18,303 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 1091 mSDsluCounter, 8276 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 10074 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:18,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 10074 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1257 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-19 07:39:18,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6604 states. [2022-11-19 07:39:18,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6604 to 5071. [2022-11-19 07:39:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5071 states, 3235 states have (on average 1.3323029366306027) internal successors, (4310), 3350 states have internal predecessors, (4310), 1417 states have call successors, (1417), 409 states have call predecessors, (1417), 418 states have return successors, (1440), 1366 states have call predecessors, (1440), 1416 states have call successors, (1440) [2022-11-19 07:39:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 7167 transitions. [2022-11-19 07:39:18,640 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 7167 transitions. Word has length 148 [2022-11-19 07:39:18,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:18,641 INFO L495 AbstractCegarLoop]: Abstraction has 5071 states and 7167 transitions. [2022-11-19 07:39:18,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:39:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 7167 transitions. [2022-11-19 07:39:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-19 07:39:18,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:18,649 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:39:18,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:39:18,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:18,862 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:39:18,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:18,863 INFO L85 PathProgramCache]: Analyzing trace with hash -980321403, now seen corresponding path program 1 times [2022-11-19 07:39:18,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:18,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358872267] [2022-11-19 07:39:18,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:18,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:39:19,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:19,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358872267] [2022-11-19 07:39:19,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358872267] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:39:19,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846897010] [2022-11-19 07:39:19,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:19,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:19,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:39:19,598 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:39:19,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:39:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:20,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 2764 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:39:20,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:39:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-19 07:39:20,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:39:20,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846897010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:39:20,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:39:20,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 07:39:20,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670872933] [2022-11-19 07:39:20,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:39:20,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:39:20,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:39:20,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:39:20,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 07:39:20,860 INFO L87 Difference]: Start difference. First operand 5071 states and 7167 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:39:24,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:26,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:26,751 INFO L93 Difference]: Finished difference Result 11396 states and 16096 transitions. [2022-11-19 07:39:26,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:39:26,752 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 149 [2022-11-19 07:39:26,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:26,790 INFO L225 Difference]: With dead ends: 11396 [2022-11-19 07:39:26,791 INFO L226 Difference]: Without dead ends: 6608 [2022-11-19 07:39:26,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 146 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 07:39:26,812 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 1091 mSDsluCounter, 8276 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 10074 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:26,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 10074 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1257 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-19 07:39:26,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6608 states. [2022-11-19 07:39:27,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6608 to 5073. [2022-11-19 07:39:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5073 states, 3237 states have (on average 1.3320976212542477) internal successors, (4312), 3350 states have internal predecessors, (4312), 1417 states have call successors, (1417), 409 states have call predecessors, (1417), 418 states have return successors, (1440), 1368 states have call predecessors, (1440), 1416 states have call successors, (1440) [2022-11-19 07:39:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 5073 states and 7169 transitions. [2022-11-19 07:39:27,126 INFO L78 Accepts]: Start accepts. Automaton has 5073 states and 7169 transitions. Word has length 149 [2022-11-19 07:39:27,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:27,126 INFO L495 AbstractCegarLoop]: Abstraction has 5073 states and 7169 transitions. [2022-11-19 07:39:27,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:39:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 7169 transitions. [2022-11-19 07:39:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-19 07:39:27,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:27,134 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:39:27,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:39:27,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-19 07:39:27,347 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:39:27,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:27,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1535003484, now seen corresponding path program 1 times [2022-11-19 07:39:27,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:27,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052230939] [2022-11-19 07:39:27,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:27,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-11-19 07:39:28,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:28,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052230939] [2022-11-19 07:39:28,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052230939] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:39:28,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340820548] [2022-11-19 07:39:28,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:28,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:28,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:39:28,140 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:39:28,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b888fcbc-a7d8-4c0d-a779-c29a7c5c3f03/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:39:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:29,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 2833 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 07:39:29,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:39:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-11-19 07:39:29,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:39:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-19 07:39:30,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340820548] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:39:30,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [204111765] [2022-11-19 07:39:30,097 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-19 07:39:30,097 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:39:30,102 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:39:30,108 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:39:30,109 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:39:34,450 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 9 treesize of output 11 [2022-11-19 07:39:35,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:35,140 INFO L217 Elim1Store]: Index analysis took 339 ms [2022-11-19 07:39:40,715 WARN L233 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 658 DAG size of output: 381 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:39:40,718 INFO L321 Elim1Store]: treesize reduction 1263, result has 33.9 percent of original size [2022-11-19 07:39:40,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1489 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 55 case distinctions, treesize of input 285 treesize of output 822 [2022-11-19 07:39:42,781 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 9 treesize of output 11 [2022-11-19 07:39:43,308 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 9 treesize of output 11 [2022-11-19 07:39:43,687 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 9 treesize of output 11 [2022-11-19 07:39:44,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:44,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:44,429 INFO L217 Elim1Store]: Index analysis took 398 ms [2022-11-19 07:39:53,686 WARN L233 SmtUtils]: Spent 9.24s on a formula simplification. DAG size of input: 879 DAG size of output: 439 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:39:53,689 INFO L321 Elim1Store]: treesize reduction 2074, result has 25.4 percent of original size [2022-11-19 07:39:53,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 58 select indices, 58 select index equivalence classes, 1544 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 165 case distinctions, treesize of input 304 treesize of output 901 [2022-11-19 07:39:54,819 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 9 treesize of output 11 [2022-11-19 07:39:55,081 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 9 treesize of output 11 [2022-11-19 07:39:55,426 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 9 treesize of output 11 [2022-11-19 07:40:05,959 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 07:40:05,967 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 07:40:05,980 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 07:40:11,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:11,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:12,282 INFO L217 Elim1Store]: Index analysis took 717 ms [2022-11-19 07:40:12,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 306 select indices, 306 select index equivalence classes, 17840 disjoint index pairs (out of 46665 index pairs), introduced 306 new quantified variables, introduced 0 case distinctions, treesize of input 2693 treesize of output 983 [2022-11-19 07:40:13,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:13,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:13,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1598 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 172 [2022-11-19 07:40:14,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:14,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:14,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 58 select indices, 58 select index equivalence classes, 1653 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 175 [2022-11-19 07:40:27,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:27,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:28,440 INFO L217 Elim1Store]: Index analysis took 709 ms [2022-11-19 07:40:28,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 306 select indices, 306 select index equivalence classes, 17840 disjoint index pairs (out of 46665 index pairs), introduced 306 new quantified variables, introduced 0 case distinctions, treesize of input 2693 treesize of output 983 [2022-11-19 07:40:29,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:29,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:29,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1598 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 172 [2022-11-19 07:40:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:30,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:30,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 58 select indices, 58 select index equivalence classes, 1653 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 175 [2022-11-19 07:40:39,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:40:39,836 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 07:40:40,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:40:45,289 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 07:40:46,186 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 07:40:46,342 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 07:40:55,099 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 07:40:55,294 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 07:40:56,198 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 07:41:00,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:41:01,073 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 07:41:01,489 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 07:41:54,795 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 07:41:55,099 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 07:41:55,631 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 07:41:57,090 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:41:57,107 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:41:57,142 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:42:43,809 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 07:42:43,960 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 07:42:44,944 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 07:42:46,163 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:42:46,169 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:42:46,256 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:44:12,465 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 07:44:12,658 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 07:44:13,177 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 07:44:14,467 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:44:14,480 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:44:14,525 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:45:16,865 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 07:45:17,478 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 07:45:17,933 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 07:45:18,775 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:45:18,817 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:45:18,848 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:45:27,012 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 07:45:27,453 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 07:45:27,769 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 07:45:31,914 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 07:45:32,041 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 07:45:32,566 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 07:49:34,958 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1593 for LOIs [2022-11-19 07:49:50,084 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 182 for LOIs [2022-11-19 07:49:50,137 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 07:49:50,159 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 07:49:51,174 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 203 for LOIs [2022-11-19 07:49:51,220 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 208 for LOIs [2022-11-19 07:49:51,321 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 1593 for LOIs [2022-11-19 07:49:56,927 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:52:02,937 WARN L233 SmtUtils]: Spent 2.08m on a formula simplification. DAG size of input: 2872 DAG size of output: 2656 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)